Call for Abstract


Choose the meeting theme you are interested in and then the session. Go to https://iasroma2019.exordo.com for abstract submission and registration. Note that all presenting authors must be paid registrants at the Conference.

The organization proposes some 56 sessions belonging to 11 Meeting themes. We realize that the number of sessions is very high, but we left the opportunity to all the scientific communities to propose a subject. Then the selection will be made on the number of abstracts received. Sessions not reaching the minimum number of abstracts will be deleted and abstract moved to similar session. Plenary sessions with keynote lectures of general interest are planned.

Please note:
The contribution will only be included in the book of abstracts and in the program if the presenting author has paid his/her registration by the early bird registration deadline (May 2019).
The contribution will be removed from the program if the presenting author is not present at the conference.
Each participant can be presenting author of only oral presentation and one poster or of two posters the oral presentation can be moved to poster by the organizing committee and session’s convener(s), according to reviewing process); this rule might have justified exceptions (e.g., keynote lectures). You can change the presenting author at short notice in case of unforeseen absence from the conference.
All contributions which presenting author is registered as student will automatically participate in the best student presentation program.

The abstract should be limited to 500 words; the title should be at most 15 words.
Plain text should be used without any special characters. Figures are not allowed.
For abstract submission authors should suggest their preferred mode of presentation (oral or poster) but the ultimate possibility of oral presentation will be decided by the organizing committee and session’s convener(s).
The author may select the scientific session he prefers but the presentation could be moved by organizing committee if the session will be cancelled.

Scientific Sessions

Please note: we expect the final number of sessions to be half up to two-thirds of the list above, as the requested minimum number of abstracts will not be reached by all the sessions.

Meeting theme 1 – Carbonate platforms and reefs

Daniela Basso – daniela.basso@unimib.it; Valentina Bracchi; Giovanni Coletti (Univ. Milano – Bicocca, Dept. of Earth and Environmental Sciences, Italy)

Carbonate depositional systems record changes in architecture, geometry, texture, lithofacies, and biogenic components through time. Carbonate producers are living organisms with precise energetic and environmental requirements, therefore climatic and oceanographic variations, driven by geology, exert a strong influence over them. This is especially true for neritic systems located at the boundary between the tropical and temperate realms, which are very sensitive to climate belts dynamics through geological time and to sea-level oscillations. The Earth went through major environmental revolutions during the Cenozoic, shifting from a “greenhouse” to an “icehouse” world and witnessing dramatic oceanographic events. Several global changes affected the functioning and the relative dominance of the major carbonate factories (coral reefs, large benthic foraminifera banks, rhodolith beds and algal build-ups) that recorded in detail the temporal and spatial variation of these events. Unveiling this natural archive is of paramount importance for understanding and modelling the future of our planet under the expected consequences of the ongoing climate change.
This session aims at offering an overview of the Cenozoic environmental evolution of our planet by presenting a series of case histories from a suite of diverse carbonate factories, geological contexts and time, to depict their inception, evolution and demise.

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Stephen Lokier- s.lokier@bangor.ac.uk (Bangor University, UK); Laura Tomassetti (Earth Science Department, Sapienza University of Rome, Italy)

This Open Session invites contributions from general and interdisciplinary topics within the diverse fields of Carbonates (marine and continental) and Bioconstructions. The session provides an opportunity to present studies that do not sit comfortably within any of the research topics covered by the special themes.

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Guillem Mateu-Vicens – guillem.mateu@uib.es (Dept. of Biology, University of the Balearic Islands, Palma de Mallorca, Spain); Marco Brandano (Earth Science Department, Sapienza University of Rome, Italy); Juan Ignacio (Baceta, Department of Stratigraphy and Paleontology, The University of the Basque Country, Spain)

Carbonate factories are possibly dependent by many environmental factors such as carbonate saturation, biological metabolism, biologically-controlled and -induced carbonate precipitation, loci of accumulation and preservation. How the conditions for a carbonate factory efficiency can been achieved and how the conditions have varied with evolutionary history, atmosphere and ocean chemistry, tectonic plate configurations, paleoclimate, and other factors will be discussed in the session. Contributions and case histories dealing on facies and geochemical characterization of carbonate factories from Paleozoic to Modern carbonate platforms are welcome.

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Mariano Parente – maparent@unina.it (University of Naples Federico II, Italy); Sabrina Amodio (University of Naples Parthenope, Italy); Helmut Weissert (ETH Zürich, Switzerland)

Shallow-water carbonate platforms provide unique windows to Earth’s geological past. These environments document the response of neritic biocalcifiers to severe perturbations of biogeochemical cycles and host a precious record of carbonate-associated proxies of past ocean conditions. In this session we invite contributions that employ traditional and novel approaches to decipher the palaeonvironmental archive of shallow-water carbonates. Within this broad topic, contributions dealing with stratigraphic intervals encompassing xtreme events, like the end-Permian, end-Triassic and end-Cretaceous events, the Mesozoic OAEsand the Cenozoic hyperthermals are particularly encouraged.

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Laura Tomassetti – laura.tomassetti@uniroma1.it (Earth Science Department, Sapienza University of Rome, Italy); Marco Franceschi (Department of Geoscience, University of Padua, Italy); Beatriz Bádenas (Department of Earth Science, University of Zaragoza, Spain); Sara Tomás (Institute of Geoscience, University of Potsdam, Germany); Jeroen Kenter (Total, France)

3D modelling holds great potential for the quantitative study of carbonates at different scales and its application ranges, for example, from volume assessment, calculation of growth rates and distribution of facies and heterogeneities to forward modelling of sedimentation and diagenetic processes.
Several methods (e.g. seismic, photogrammetry, LIDAR, drone and hyperspectral imaging, CT scanning) provide an invaluable and increasingly accessible source of three-dimensional information and software for data management and interpretation is becoming increasingly sophisticated. However, integration of datasets through efficient workflows as well as adequate data-sharing platforms and standardization of formats are still underdeveloped.
This session seeks contributions of 3D modelling examples across different scales and within the broad field of carbonate sedimentology to capture the range of applications, the current state of the art on workflows including those for sharing data sets and, finally, stimulate discussion on synergies and new directions to improve the understanding of carbonate sedimentary systems.

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Meeting theme 2 – Coastlines and deltas

Massimiliano Ghinassi – massimiliano.ghinassi@unipd.it; D’Alpaos Andrea (Department of Geosciences, University of Padua, Italy)

Estuaries are delicate coastal environments, which evolve under the intertwined effect of hydrological, chemical and biological processes. In the past, the complex interaction among these processes promoted the accumulation of thick sedimentary successions, which can be of relevant economic importance (i.e. hydrocarbon reservoirs). Today, the morphodynamics of coastal environments occurs under the influence of rapid climate changes and anthropogenic pressures, which make imminent evolution of estuarine systems poorly predictable. Understanding estuarine morphodynamics and related deposits has therefore remarkable social and economic implications, both in terms of landscape management and subsurface exploration. Exploiting the up-to-date knowledge about estuarine morphodynamics, this session aims at reconciling results from field studies, mathematical modelling and laboratory investigations in order to discuss: i) principles to investigate estuarine sedimentary products; ii) models to predict evolution of estuarine systems. This session aims at bringing together researchers working on modern geomorphology and ancient deposits, as well as researchers undertaking physical and numerical modelling approaches. Presentations are welcome on all aspects of estuarine systems: hydrology, hydrodynamics, morphological characterisation, morphodynamics, sediment transport, stratigraphy, impact of climate change and sea-level rise.

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Miquel Poyatos Moré -m.p.more@geo.uio.no (Department of Geosciences, University of Oslo, Norway); Ernesto Schwarz (Centro de Investigaciones Geológicas, Universidad Nacional de La Plata-CONICET, Argentina); Alessandro Amorosi (Department of Biological, Geological and Environmental Sciences, University of Bologna, Italy); Janok Bhattacharya (School of Geography and Earth Sciences, McMaster University, Canada)

Basin margin development and the timing of sediment transport to the oceans are strongly influenced by the position and character of paralic systems relative to the changing physiography of the coastline, and the relative dominance of depositional processes occurring along its adjacent shelf. Here, the dynamic interaction of numerous factors results in a complex heterogeneity of nearshore deposits, observable both in modern, ancient and high-resolution seismic datasets. This complexity has been generally well studied along depositional dip profiles, but the lateral (along-strike) variability of sedimentary systems from the shoreline to the shelf is less understood, possibly due to the difficulty in recognizing sub-seismic lateral facies changes, and the absence of well-documented large-scale outcrop examples. Consequently, the lateral variability of nearshore sedimentary systems and its resulting complex stratigraphic expression are still poorly constrained.
In this session we invite contributions from both modern and ancient studies of coastal to shelfal depositional environments, which might help improving our understanding about the complex interaction between numerous factors in this segment of source-to-sink systems. The session aims to integrate detailed studies of internal bed-scale facies architecture with larger-scale plan-view analysis, tracking along-strike geomorphological changes and controls in the resulting laterally-variable stratigraphic record of these system.

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Lars Clemmensen – larsc@ign.ku.dk (University of Copenhagen) and Ken Pye (Kenneth Pye Associates Ltd., Reading, UK)

The session would cover both modern and ancient environments. It would be timely to have papers looking at the linkages between climate (including windiness) and sea level change, aeolian sedimentation, dune mobility and stabilization phases, including carbonate-rich dunes (aeolianites), siliciclastic dunes and paleosol sequences.

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Meeting theme 3 – Shallow-water depositional systems

Daniel Petrash – petrash@ualberta.ca (Czech Geological Survey, Czech Republic); Or Bialik (University of Haifa, Israel); Tomaso Bontognali (ETH-Zürich, Switzerland)

Penecontemporaneous dolomites are known to have formed a few decimeters below the surface since the Precambrian. Their occurrence in moderate amounts is not rare in Holocene evaporitic settings connected to the sea, where it is relatively easy to account for all the ingredients required for the theoretical formation of large amounts of dolomite. Yet, their precipitation mechanisms are still disputed. Prevailing models range from hydrogeochemical forcing linked to relative sea level change―with an elusive replacement component, to hypotheses that confer key roles to microbially induced catalysis and organometallic interactions. In the past, the inability to experimentally test the hypotheses led to criticisms regarding the validity of the proposed ideas, but this situation is rapidly changing with the emergence and increasing application of high spatial resolution and precision methods. For this session, we highly encourage submission of interdisciplinary studies addressing the natural occurrence of modern and ancient penecontemporaneous dolomite or its synthetic analogues via a combination of standard and novel analytical approaches capable of gaining sub-micron- to facies-scale insights.

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Harm Jan Pierik – h.j.pierik@uu.nl (Faculty of Geosciences, Utrecht University, the Netherlands); Alessandro Fontana (Department of Geosciences, University of Padua, Italy); Nils Broothaerts (Department of Earth and Environmental Sciences, KU Leuven, Belgium); Jasper Candel (Department of Environmental Sciences, Wageningen University, the Netherlands); Kim Cohen (Faculty of Geosciences, Utrecht University, the Netherlands)

Human impact has considerably altered rivers, estuaries and deltas all over the world. Anthropogenic effects have strongly intensified over the last thousands of years, shaping the environments and depositional systems that we know today. Land use changes, industrial activities, and engineering, for example, caused changes in channel networks, floodplain vegetation, sediment supply, river discharge, delta subsidence and sea level. These changes have important implications for modern and future river and estuary management. Understanding their causes, effects and pacing is also vital for better interpreting depositional sequences using modern observations and analogues.
The relative contribution of human impact and the spatial and temporal response of fluvial and tidal systems associated often are less well understood. To make a step forward and better isolate the various responses mechanisms involved, we need further identification of human impact in recent sedimentary records, correlation to human activities, and attribution of response to specific processes. In this session we welcome studies contributing to this, based on data reviews, field observations and modelling across a variety of spatial and temporal scales.

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Peter Swart – pswart@rsmas.miaimi.edu (Rosenstiel School of Marine and Atmospheric Sciences, University of Miami, USA); Chelsea Pederson (RUHR University Bochum, Germany); Mónica Sánchez-Román (Vrije Universiteit Amsterdam, the Netherlands)

In this session, we invite contributions related to the deposition and early diagenesis of modern carbonates. Depositional systems ranging from continental to deep marine are welcome. Research topics include the geochemical characterization of carbonates in modern systems to better understand the range and meaning of depositional signals, new geochemical proxies, and mechanisms of carbonate precipitation. Furthermore, proxy preservation during formation and the earliest stages of diagenesis is of interest. This session provides an opportunity to present studies within a diverse context of methodologies and approaches, all guided toward a better understanding of the formation and early alteration of carbonate deposits. Geomicrobiological approaches evolving calibration of specific and/or new geochemical proxies, such as stable isotopic fractionation and element partitioning for carbonates are very much encouraged. We hope to gather a range of multidisciplinary contributions linking fieldwork, laboratory experimentation with the application of cutting-edge analytical and spectroscopic techniques.

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Romain Vaucher – romain.vaucher88@gmail.com (CICTERRA, National University of Córdoba, Argentina); Marcello Guigliotta (Estuary Research Center -EsReC, Shimane University, Japan)

Do purely wave, tide, and fluvial environments in shallow-marine settings exist? In the last decade, an increased number of studies referring to “hybrid sedimentary systems” or “mixed-energy system” have been published. These studies focus on the interplay of at least two of the three main processes (i.e., river, tide and wave) controlling sedimentation and depositional architecture in coastal to shallow-marine settings. This led to the identification of hybrid sedimentary structures generated as the result of wave-tide and river-tide process interactions, whereas less attention has been paid to wave-river ones. More studies are required to refine our conceptual models of facies and how interplays influence the sedimentation from the genesis of bedforms towards the overall geometry of the systems. This session aspires to group research exhibiting data from modern and ancient marginal marine environments subjected to process interplay and other studies on this topic based on numerical modelling and flume experiments.

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Meeting theme 4 – Deep-marine depositional systems

Chenglin Gong – chenglingong@hotmail.com (College of Geosciences, China University of Petroleum, Beijing, China); Peter Talling (Departments of Earth Sciences and Geography, Durham University, UK), Michele Rebesco (National Institute of Oceanography and Experimental Geophysics- OGS, Italy); Matthieu Cartigny (Departments of Earth Sciences and Geography, Durham University, UK); Maarten Heijnen (National Oceanography Centre, University of Southampton Waterfront Campus, UK); Peng Hu (Ocean College, Zhejiang University, Zhejiang, China)

Deep-water channels in either marine or lacustrine have been the focus of extensive research since their discovery in the early 20th century. This is largely because they: (1) play a significant role in shaping and building continental margins; (2) are prodigious features traversing hundreds or even thousands of km of the seafloor; (3) serve as the major conduits for the delivery of large quantities of nutrients, pollutants, carbon, and sediments into deep-water sites; (4) preserve critical paleoclimatic and paleoceanographic information; and (5) form major subsurface oil and gas reservoirs worldwide. Despite their significance and widespread occurrence, deep-water channels remain a key research challenge in sedimentological community, because of their three- dimensional complexity and diversity. We hope the proposed session will facilitate open and lively discussion towards an advanced and deeper understanding of all aspects of deep-water channels in either marine and lacustrine basins.
We solicit presentations that explore morphology, architecture, flow dynamics, and genesis of deep-water channels, and welcome studies that may include, but not limited to:
How do deep-water channels work; including how they are formed and maintained, internal flow processes, and how they evolve.
Morphology, architecture, genesis, and reservoir characterization of deep-water channels in either marine or lacustrine basins.
How submarine channels host and influence ecological communities, and their globally important role for organic carbon transfer and burial.
New ways to study deep-water channels, including numerical simulations, physical experiments, and direct field observations of active events on the seafloor.

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Jörg Lang – lang@geowi.uni-hannover.de (Institute of Geology, Leibniz University Hannover, Hannover, Germany); Juan J. Fedele (ExxonMobil Upstream Research Company, Houston, USA); David C. Hoyal (ExxonMobil Upstream Research Company, Houston, USA); Roberto Tinterri (Earth Sciences Unit, University of Parma, Parma, Italy); Timothy M. Demko (ExxonMobil Upstream Research Company, Houston, USA); Fabiano Gamberi (Institute of Marine Sciences – National Research Council, Bologna, Italy)

Understanding sedimentary processes is crucial to comprehend the sediment dispersal and the depositional record of deep water systems. Recently, new insights into flow processes, based on direct flow measurements and experiments, have led to revised interpretations of depositional processes in deep water systems. Concomitantly, investigations of the seafloor have contributed detailed images of geomorphic elements in the different deep water environments. Refined process-based facies models, linking depositional processes to stratigraphy, have thus been developed, also thanks to the contributions by outcrop and seismic data studies.
Nevertheless, many important aspects of deep water sedimentary systems and their interrelations remain poorly understood. Our knowledge, however, can be improved especially through the integration of results from different research approaches.
This session aims to bring together contributions on observations from modern systems (flow monitoring-seafloor bathymetry), outcrops, seismic data and experiments (physical-numerical) to deal with these issues. We seek contributions addressing the behaviour of sediment-gravity flows, focusing on: subcritical vs. supercritical flows, surging vs. sustained flows, transitional-hybrid events and interactions between flows and basin morphology.
At a larger scale we aim at integrating different views regarding: autogenic organization vs. allogenic forcing, intrabasinal vs. extrabasinal controls, oceanographic forcing, sediment-feeding systems, sediment supply, tectonics and sequence stratigraphy.

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Meeting theme 5 – Continental environments

Giovanna Della Porta – giovanna.dellaporta@unimi.it (University of Milan, Earth Sciences Department, Milan, Italy); Enrico Capezzuoli (University of Florence, Earth Sciences Department, Florence, Italy); Mike Rogerson (University of Hull, School of Environmental Sciences, Hull, UK); EzherTagliasacchi (Pamukkale University, Turkey)

Non-marine carbonates form in a variety of depositional settings such as lakes, rivers, hydrothermal vents, caves and soils, representing a significant component of terrestrial sedimentary basins and useful proxies of palaeoenvironmental conditions. Understanding modern physico-chemical and microbially mediated processes of non-marine carbonate precipitation helps constraining biogeochemical cycles and investigating the geological past in terms of changing depositional environments, hydrology and climate. A robust understanding of what features of a sediment are uniquely microbial is also a critical requirement of dawn of life studies on Earth and astro-biological research.
This session aims to get better insights into the variety of non-marine carbonate facies and the abiotic/biotic control on processes of carbonate and associated minerals precipitation. We welcome contributions investigating fossil and modern non-marine carbonates through multi-disciplinary approaches highlighting their variability across different depositional environments and the biological, environmental and physico-chemical factors controlling their formation, fabrics, accumulation rates and spatial distribution.

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Giorgio Basilici – basilici@ige.unicamp.br (Universidade Estadual de Campinas, Brazil); Marco Benvenuti (University of Florence, Italy); Stefano Carnicelli (University of Florence, Italy); Isabelle Cojan (Centre de Géosciences, Mines ParisTech, France); André Marconato (Universidade Federal de Ouro Preto, Brazil); María Sol Raigemborn (Centro de Investigaciones Geológicas, Universidad Nacional de La Plata, Argentina); Augusto Varela (CONICET – Universidad Nacional de La Plata, Argentina)

Palaeosol are constantly present in continental sedimentary successions, from the Archean to the Present. Their occurrence can be extremely variable: from almost completely absent, where high sedimentation rate or extreme palaeoenvironmental conditions acted, to comprise more than 80% of the thickness in many other sedimentary successions. Nevertheless, the attention of who studies the ancient continental sedimentary successions is not always proportional to the occurrence of palaeosols.
Although since the 80s the scientific consideration of palaeosols certainly increased, studies focusing palaeosols are not common in scientific papers and even more uncommon are studies linking sedimentary processes and palaeosols.
Notwithstanding, palaeosols represent in continental sedimentary succession, a data source probably much more efficient than sediments. Indeed, if the deposits are commonly yielded by rapid and paroxysmal processes, often associated to abnormal conditions of the depositional environment, the palaeosols do not follow these rules. A well-developed palaeosol forms in more than 1000 yr; during this period this is an open-system, that can record all the environmental conditions and changes in the atmosphere and just beneath its surface.
By proposing this session we want stimulate the sedimentologists to present whichever communication whose focus are the palaeosols and/or their relationships with the sedimentary environments.

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Marta Marchegiano – marta.marchegiano@unige.ch (University of Geneva, Switzerland); Domenico Cosentino (Roma Tre University, Italy); Elsa Gliozzi (Roma Tre University, Italy); Daniel Ariztegui (University of Geneva, Switzerland); Laura Sadori (Sapienza University of Rome, Italy)

Lacustrine sediments can provide outstanding high-resolution and continuous archives of climate change, environmental evolution, anthropogenic impact, and tectonics. Only using a multiproxy approach is possible to disentangle the often intertwined biogeochemical and/or physical processes triggered by these phenomena. We target novel approaches and new exploration fields for the study of lacustrine systems, including modern limnology.
Thus, we encourage oral and posters contributions that present basic and applied research on all aspects of both modern and ancient lake systems assembling a wide range of geophysical, sedimentological, geochemical, biological remains, and geomicrobiological datasets. Numerical models on lacustrine hydrodynamics are also welcome.

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Laura Sanna – sanna@ibimet.cnr.it (Institute for Biometeorology, National Research Council of Italy); Andrea Columbu (Department of Biological, Geological and Environmental Sciences, University of Bologna, Italy)

Caves are unique environments acting as sedimentary data repositories. Cave deposits can be grouped into two main categories: chemical precipitates and clastic sediments. Among them, calcite speleothems and stream-transported clastic sediments are the most useful as continental records.
Since the erosional processes active on other proxies at the Earth surface are attenuated in the underground landscapes, karst systems can be considered as natural laboratories to reconstruct past climate and paleo-environments. In fact, cave sediments are a very effective tool for paleoclimate studies in continental environments for three main reasons: (i) they are poorly deformed by tectonic and erosive processes, (ii) they can provide very precise dating and (iii) there is a good chronological relation between cave deposits and Quaternary climate and eustatic variations.
This session focuses on the many aspects related to underground karst sediments and cave depositional environments and processes. Therefore, it is open to multidisciplinary studies on clastic and carbonate cave sediments studied from both sedimentological and climatological point of view, as well as encouraging interdisciplinary contributions that analyze their morphology, texture, chemical composition, mineralogy and/or isotopic composition together with the interactions between their high resolution records and paleoclimate, paleoenvironmental and paleogeographic reconstructions.

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Pingsheng WEI (Research institute of petroleum exploration & development-Northwest (NWGI), PetroChina, Lanzhou, China); Huaqing LIU (Research institute of petroleum exploration & development-Northwest (NWGI), PetroChina, Lanzhou, China); Shuxin PAN – pansx@petrochina.com.cn (Research institute of petroleum exploration & development-Northwest (NWGI), PetroChina, Lanzhou, China); Carlos Zavala (Universidad Nacional del Sur, Buenos Aires, Argentina)

Lacustrine basins are important oil & gas-productive areas of the world. In recent years, lacustrine sedimentology has made great achievement in term of source-sink system analysis, shallow-water delta, beach bar, deep-water sediments, fine-grained deposits, lacustrine carbonate, events deposits, deep reservoir forming mechanism and seismic sedimentology. Even so, problems and challenges of the lacustrine sedimentology are widely existed and needed to carry out innovation. The main idea of this theme is innovation and new exploration fields of lacustrine deposits. Specific subthemes may be referenced but not limited to the following eight aspects.
Subthemes:

  • The gravity flow of lacustrine basins (hyperpycnal flows, MTDs, debris flow, sublacustrine landslide, turbidity flow)
  • Fine grained deposition and unconventional resources
  • Beach and bar of lacustrine basins
  • Shallow-water delta
  • Lacustrine carbonate, mixed deposits and reservoir
  • Modern lacustrine analogues
  • Lacustrine hydrodynamics (waves, alongshore currents, bottom currents)and related sediments
  • Other new field of exploration and development.

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Ghinassi M. – massimiliano.ghinassi@unipd.it (University of Padua, Italy); Colombera L. (University of Leeds, UK); Fielding C. (University of Nebraska–Lincoln, USA), Mancini M. (CNR- IGAG, Rome)

Understanding of alluvial sedimentary processes and investigations of how genetically related alluvial units are organized in the stratigraphic record are key matters in sedimentology. Although remarkable advances in our understanding of alluvial systems have been made over the past decades, there still remains scope for a more refined investigation of alluvial deposition.
This session calls for contributions on recent and on-going advances in the field of alluvial sedimentology, with specific emphasis on studies linking sedimentary processes and morphodynamics with related products in the rock record. Contributions are invited on topics that include, but are not limited to, the following: linking modern alluvial systems to their ancient preserved counterparts; novel data collection methods; facies models for alluvial systems; numerical modelling and laboratory experiments on alluvial processes and stratigraphy; interactions of alluvial systems with other environments, including lakes, deserts, deltas, estuaries, shorelines; interaction between alluvial deposition and tectonics.

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Meeting theme 6 – Cyclicity in sedimentary record

Silvia Danise – silvia.danise@unifi.it (Department of Earth Sciences, University of Florence, Florence, Italy); Emilia Jarochowska (GeoZentrum Nordbayern, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany); Rute Coimbra (GeoBioTec, Departamento de Geociências, Universidade de Aveiro, Portugal & MARE, Departamento de Ciências da Terra, Universidade de Coimbra, Portugal)

The intrinsically complex nature of sedimentary dynamics, both in time and space, exert a fundamental control on the abundance, variety and quality of information engraved in deep-time geological records. Integration of basin analysis and sequence stratigraphy with such areas as palaeobiology, biostratigraphy and geochemistry provides a powerful, interdisciplinary approach to reconstruct past environmental scenarios and biodiversity dynamics. As pointed out by the new discipline of stratigraphic palaeobiology, patterns observed in the fossil record can largely be predicted based on the stratigraphic architecture, e.g. the distribution of hiatuses and condensation surfaces. Stratigraphic palaeobiology also offers analytical tools allowing to account for these controls and the same tools can be equally applied to geochemical data. In fact, subaerial exposure, phases of non‐deposition, erosion, reworking and bypass of sediments strongly impact also the geochemical record and cannot be overlooked. In this session, we aim at bringing together sedimentologists, palaeobiologists and geochemists to demonstrate how sequence stratigraphy can be employed as a common information framework in all these fields, and foster collaborations towards a better understanding of the links between past biotic and palaeoenvironmental changes.

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Domenico Ridente – domenico.ridente@cnr.it (CNR-IGAG, Rome, Italy); Bilal U. Haq (Smithsonian Institution, Washington D.C., USA), Christian Gorini (UPMC Sorbonne Universitès, Paris, France), Adriano Viana (Petrobras, Brazil)

Sequence stratigraphy developed as a new model in stratigraphy after the integration of the Exxon seismic-stratigraphic method with genetic concepts linking seismic attributes to sedimentary dynamics. The sequence stratigraphy model has been the focus of debates and proposals for nomenclatural and conceptual revision, owing to the increasing scenarios and different scale of application, each with its own practical requirements and specific key features as to the role of sediment supply and sea level in controlling sequence architecture.
Methodological and conceptual advances driven by new technologies (such as 3D seismic geomorphology) have greatly improved high-resolution geophysical and subsurface studies, allowing, to some degree, to reduce the gap in scale and details compared with facies-based studies in the field. In addition, recent development of satellite imaging and the use of drone technology in wide ranging surveys, may provide means for conceiving field analysis from the perspective of regional, seismic-based geometric criteria.
In this Session we welcome multi-scale and multi-approach studies that provide methodological and conceptual insights that may contribute in addressing open questions and enhance the development of sequence stratigraphy as an analytical method and an interpretative stratigraphic model.

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Meeting theme 7 – Sedimentary Processes (including volcanic and planetary)

Marco Brandano – marco.brandano@uniroma1.it (Earth Science Department, Sapienza University of Rome, Italy); Enrico Capezzuoli (University of Florence); Marcello Tropeano (University of Bari Aldo Moro); Daniela Ruberti (University of Campania, Italy); Domenico Chiarella (Royal Holloway, University of London, UK); Martyn Pedley (Geography Department, University of Hull, UK)

From the Dolomites to Etna, from the Venice Lagoon to the Trapani Salt pans, Italy embeds a wide spectrum of deposits and related depositional environments in a very short frame. Illustrations and characterization are due to scientists able to observe and describe such amazing and unique features. Starting from historical precursors as Pliny and Leonardo da Vinci, modern Italian and International sedimentologists have illustrated this richness as case histories used in the geology and heritages for the future.
Aim of the session is to exhibit the Italian sedimentology that spotlighted the geology in the world with the contribution of the international sedimentologists that spotlighted the Italian geology..

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Marcello Natalicchio – marcello.natalicchio@unito.it (University of Torino (Italy); Edoardo Perri (University of Cosenza, Italy); Francesco Dela Pierre (University of Torino, Italy); Tobias Himmler (Geological Survey of Norway); Maurice Tucker (University of Bristol, England) İsmail ÖmerYılmaz (Middle East Technical University, Turkey)

Microbialites are fascinating organosedimentary deposits that are present throughout the entire geological marine record. These deposits are typified by a wide spectrum of particular morphologies, in a variety of lithologies (carbonate, clastic, evaporite, phosphorite), and occur in a wide range of marine settings, including shallow and deep water environments as well as in extreme sedimentary environments (i.e. hypersaline and hydrothermal). The interest in microbialites from the scientific community and industry has increased exponentially in recent years because of their significance in unravelling the evolutionary history of life on Earth (and virtually on other planets), and their role in petroleum systems, as source and reservoir rocks. This session encourages contributions on any aspect of modern and fossil marine microbialites, especially where information is coming from different disciplines: sedimentology, geochemistry and geomicrobiology.

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William McMahon – w.j.mcmahon@uu.nl (Faculty of Geosciences, Utrecht University, the Netherlands); Harm Jan Pierik (Faculty of Geosciences, Utrecht University, the Netherlands); Neil S. Davies (Department of Earth Sciences, University of Cambridge, UK); Maarten G. Kleinhans (Faculty of Geosciences, Utrecht University, the Netherlands)

Biology influences physical form and process in all of Earth’s present-day sedimentary environments. For example, peat and rooted vegetation provide increased mechanical protection to river banks, promoting the development of deeper, narrower and more sinuous channels. Infaunal burrowers influence the chemical properties of sediment substrates by increasing oxygen circulation, which in turn increases the rate of organic matter decay. Even microbiota have been shown to reduce bedform dimensions and steepness. The objective of this session is to improve our understanding of life’s fundamental role in shaping sedimentary environments. Geomorphological, ecological, geological and experimental contributions are all welcome. We particularly encourage studies which consider life-sediment interactions over evolutionary timescales. The geological timescale provides a handful of ways in which evolving life can be shown to radically alter sedimentary environments. However, the majority of deep-time life- sediment interactions are poorly understood. An improved understanding of life’s influence on sedimentary facies and lithologies will benefit numerous fields of Earth Science (e.g., ongoing investigations of Martian sedimentary outcrops).

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Andrea Di Capua – andrea.dicapua@idpa.cnr.it (CNR – IDPA, Italy); Gabor Kereszturi (Massey University, New Zealand)

Primary and secondary volcaniclastic processes represent the crossroad between volcanological and sedimentological processes, and their influence on the environment is largely recognized. Nevertheless, a gap still exists between sedimentological and volcanological approaches to the same problems.
This session aims to bring together researchers working on volcanic or volcanically influenced terrains to unravel the generation, transport and settling of volcanic particles through the geological time in different environments, in order to narrow this gap.
We invite presentations that include, but are not limited to, 1) field-based description and interpretation of volcanoclastic sediments and related processes both in modern and ancient realms, 2) provenance studies that highlight the influence of volcanic activity on sedimentary basins, 3) studies on the characterization of physico-chemical processes that lead to the generation and weathering of volcaniclastic particles through time.
This session is co-sponsored by the Commission on Volcanogenic Sediment of the International Association of Volcanology and Chemistry of the Earth’s Interior (IAVCEI).

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Rebecca Englert – rebecca.englert@ucalgary.ca (Department of Geoscience, University of Calgary, Canada); Pierre Dietrich (Department of Geology, University of Johannesburg, South Africa); Alexandre Normandeau (Geological Survey of Canada – Atlantic – Natural Resources Canada); Arnoud Slootman (Geosciences Department, King Fahd University of Petroleum & Minerals, Saudi Arabia); Daniele Casalbore (Department of Earth Science, Sapienza University of Rome, Italy, CNR-IGAG); Matthieu Cartigny (Durham University, UK)

Supercritical flow conditions can occur in open-channel flows, subaqueous density currents, pyroclastic density currents, and katabatic winds, and thus affect a wide range of subaerial and subaqueous depositional settings, e.g. proglacial, fluvial, coastal, deltaic, shallow- to deep-marine, volcaniclastic and carbonate-slope environments. Supercritical flows create upper flow-regime bedforms such as antidunes, chutes-and-pools, cyclic steps and transitional bedforms, whose development and properties are still only partly constrained. Even if a growing number of upper flow-regime bedforms is reported in modern environments, these bedforms and associated sedimentary structures are classically thought to possess a low preservation potential in the stratigraphic record as a result of their high-energy, transient formative conditions. However, recent evidence suggests that the scarcity of available observations may be due to a lack of diagnostic criteria for their recognition. Flume experiments have been pivotal to advancing our understanding of the morphodynamics of upper flow-regime bedforms. Numerical models and direct measurements have also contributed to advance our knowledge of supercritical flows, even if a real integration between the different approaches is still lacking.
This session welcomes field, experimental and numerical studies investigating the sedimentological aspects of modern and ancient upper flow-regime bedforms and their formative supercritical flows. Students and early career scientists are encouraged to submit.

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Jasper Knight – Jasper.knight@wits.ac.za (University of the Witwatersrand, Johannesburg, South Africa)

This session describes the sedimentary processes, products and environments associated with past glacial events through Earth’s history, from the Palaeozoic to the present day, including evidence from Pleistocene glaciations. The focus in this session is on the nature of different types of sedimentary evidence (including its geomorphic and stratigraphic contexts) and applications to climate and glaciological reconstruction. Particular emphasis is placed on the role of sedimentary facies properties, sedimentary structures and other evidence for subglacial and proglacial environments and processes, and the role and limitations of modern analogues and numerical models. Contributions to this session are invited from those working on any types of glaciated or glacially-influenced environments, past or present, and from terrestrial or marine settings, or from local to global scales.

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Renata G. Lucchi – rglucchi@inogs.it (National Institute of Oceanography and Experimental Geophysics – OGS, Italy); Florence Colleoni, National Institute of Oceanography and Experimental Geophysics – OGS, Italy); Forwick Matthias (Department of Geology, UiT The Arctic University of Norway); KarstenGohl (Alfred Wegener Institute, Bremerhaven, Germany); Robert D. Larter (British Antarctic Survey, Cambridge, UK); Colm O’Cofaig (Department of Geography, University of Durham, UK)

The study of sedimentary processes in polar areas contributes to reconstructions of climate, environmental and oceanographic conditions, as well as ice-sheet dynamics on high-latitude continental margins. Such studies can be based on the integration of acoustic data, including swath bathymetry and sub-bottom profiles, seismic data, as well as multi-proxy analyses of sediment cores including drill cores. The rapid response of the polar areas to the recent global climate warming is predicted to accelerate sea-level rise, leading to strong environmental and socio-economic impacts. A thorough knowledge about mechanisms forcing climate change in the past is an essential tool to understand the present state and to predict the future development of the large ice sheets in Antarctica and on Greenland in a geological context. Enhancing this knowledge requires an integrated effort of the scientific community.
The aim of this multi-disciplinary session is to bring together researchers working on northern and southern high-latitude continental margins, investigating the sedimentary processes associated with past and present ice-sheets dynamics and paleo-oceanographic effects on the marine sedimentation from both observational and modelling approaches.

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Michele Rebesco – mrebesco@inogs.it (National Institute of Oceanography and Experimental Geophysics – OGS, Italy); Eleonora Martorelli (CNR-IGAG, Rome, Italy); David van Rooij (Uni Ghent, Belgium); Javier Hernandez-Molina (Royal Hull University London, UK); Giancarlo Davoli (ENI, Italy)

Bottom currents (BCs) and contourite depositional systems (CDSs) are important component of deep ocean basins and continental margins. The last decades have seen significant progresses in the characterization of CDSs and role of bottom currents on sedimentary and geomorphic processes. In order to better address the relationships between oceanographic processes, morpho-sedimentary processes and CDSs development further improvements are, however, still necessary. In this regard, a multidisciplinary approach among many disciplines (sedimentology, seismic stratigraphy, biostratigraphy, geochemistry, physical and biological oceanography, numerical modeling, etc) using high-quality datasets may provide new significant insights.
Contributions from modern and ancient environments (both ancient deposits and outcrops) addressing CDSs nature (e.g., architecture, morphology, stratigraphy, lithology, habitats), mechanisms responsible for their formation and interplay with other processes (e.g., turbidites vs contourites, hemipelagites vs contourites) are welcome. In particular, major topics will be:
1) Link between bottom currents and contourite sedimentation at different scales:
a) Small scale: sedimentological records (e.g., facies, drift accumulation, erosion-reworking) and site survey data (current meter measurements oceanographic transects) showing variability of BCs
b) Large scale: distribution of CDSs and numerical simulations and circulation models (oceanic and regional)
2) CDSs in the sequence stratigraphic framework
3) Relevance for slope stability.

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Sergio G. Longhitano – sergio.longhitano@unibas.it (University of Basilicata, Potenza, Italy); Francesco Latino Chiocci (Sapienza University of Rome, Italy); Valentina M. Rossi (University of Bergen, Norway); Domenico Chiarella (Royal Holloway University, London, UK); Namik Çağatay (Istanbul Technical University, Ayazaga, Turkey); Gemma Ercilla (Spanish National Research Council, Barcelona, Spain)

Tidal and non-tidal straits and seaways are challenging geological areas governed by current amplification generated by local oceanographic narrowing and providing uncommon sedimentary conditions. Although the growing interest on such systems due to their potential for production of renewable energy, strategic role for the transport industry, climatic impact on the interconnected basins and many more, straits and seaways lack accurate depositional models predicting their space-time sedimentary dynamics and evolution.
This session is primarily aimed at defining the state of knowledge on the variety of sedimentary processes and distinctive depositional signatures of these systems. Secondly, it wants to provide a chance for stimulating discussions, idea exchanges and joint collaborations between sedimentologists, marine geologists, geophysicists, oceanographers and other researchers involved in the investigation of modern and ancient cases.
After the opening of the key note of Robert W. Dalrymple (Queen’s University, Canada), talks and posters focused on recent breakthroughs, theoretical hydro-sedimentary modeling, interplay between tidal or oceanographic currents and other strait-related processes will be welcome. We also encourage presentations aimed at the re-examination of the recognition criteria of ancient straits in the rock record, the creation of static or dynamic facies-based models, and the discussion of present uncertainties or still unsolved aspects.

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Daniele Casalbore – daniele.casalbore@uniroma1.it (Sapienza University of Rome, Italy, CNR-IGAG); Lorena Moscardelli (Jackson School of Geosciences, University of Texas, Austin, USA); Mike Clare (National Oceanography Centre, Southampton, UK); David Casas (Geological Survey of Spain, Madrid, Spain); Francesco Latino Chiocci (Sapienza University of Rome, Italy)

Subaqueous mass movements occur in lakes, fjords and oceans of the world, playing a key role in the evolution of coastal areas and continental margins as they represent one of the most efficient mechanisms of sediment transport from coastal to deep basins. The mapping and characterization of such processes has also significant implications for geohazard assessment, because such events can directly impact coastal and offshore infrastructures as well as cause local but destructive tsunamis. The aim of this session is to provide a forum to discuss field (outcrop, core and geophysical), experimental and numerical studies that advance our knowledge on the occurrence, failure and post-failure behaviour of subaqueous mass movements. Particularly we encourage multidisciplinary contributions aimed to assess and mitigate the geohazard potential associated to these processes both at local and regional scale.

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Massimo Moretti – massimo.moretti@uniba.it(Bari University, Italy); Jasper Knight (Wits University, South Africa); Giuseppe Mastronuzzi (University of Bari Aldo Moro, Italy); Andreas Vött (Mainz University, Germany).

Extreme/catastrophic events are by definition rare and episodic, but they have occurred frequently throughout Earth’s history. High magnitude events such as earthquakes, tsunamis, large-scale landslides, extreme floods and storms, extraterrestrial impacts, etc. often leave a sedimentary imprint in the geological record. Nevertheless, recognition of extreme event traces in sedimentary successions is often difficult and may be ambiguous.
This session is focused on examples of seismites, tsunamites, and other sedimentary deposits that have been formed by extreme events. We encourage contributions including field-based examples discussing different approaches on data analysis and interpretation of these deposits. We also welcome studies on analogical modelling and numerical simulation for relationships between triggering processes and products of extreme events.

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Monica Pondrelli – monica.pondrelli@unich.it (University of Chieti – Pescara, Italy); Barbara Cavalazzi (University of Bologna, Italy); Lucia Marinangeli (University of Chieti – Pescara,Italy)

The aim of this session is to combine the sedimentary and geobiology approaches to reconstruct the past environments, the geological evolution, composition and habitability on other planets. This will also have implications in the study of deep time geological record on Earth.
The current strategy for planetary exploration, which includes a sample return mission from Mars in the next decade, requires the definition of pathways for in situ analysis on planetary surfaces to correctly identify the depositional environments and the habitability potential.This implies a multidisciplinary, integrated approach to successfully address the in situ investigation on other planets.
Furthermore, it is fundamental to identify specific biomarkers associated to different habitability conditions which represent high priority targets for planetary exploration.
Thus, the identification and characterization of terrestrial analogues is mandatory to constrain facies association and evolution on other planets as well as the potential presence and distribution of microbial community.
Contributions addressing sedimentary processes and deposits on planets and the interaction between sedimentological and geobiological processes in complex geoenvironmental settings on Earth, are welcomed in this session.

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Helena van der Vegt – helena.vandervegt@deltares.nl (Delft University of Technology, Deltares, the Netherlands); Sophie Hage (National Oceanography Centre Southampton, University of Southampton, UK); Maria Azpiroz Zabala (Delft University of Technology Deltares, the Netherlands); Sanem Acikalin (Newcastle University; UK); Stéphanie Girardclos (University of Geneva, Switzerland)

Sediment and associated particles (e.g. pollutants, nutrients, organic carbon, microplastics) travel along fluvial, lacustrine and coastal environments before reaching the ocean. Each environment has its own sediment transport processes and depositional products, but these also interact over space and time. This session focusses on sedimentological interactions which operate as cascading or domino-like effects. We are interested in work linking processes to products across all physical and time scales, from grain-to-grain interactions to source-to-sink systems and from transient transport to preservation over geological times. We welcome concepts, case studies, numerical and experimental work which connects transport processes to sedimentary products from fluvial all the way to deep marine environments. We also encourage papers which shed light on the societal implications associated with the sedimentological process-to-product-to-process interactions, e.g. transport and fate of microplastics and organic carbon, hazards to human-made infrastructures, ‘reading’ of the geological record in order to make predictions about future behaviour of the Earth system.

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Francesco Salese – f.salese@uu.nl (Faculty of Geosciences, Utrecht University, the Netherlands, International Research School of Planetary Sciences – IRSPS, Pescara, Italy); William McMahon (Faculty of Geosciences, Utrecht University, the Netherlands); Maarten Kleinhans (Faculty of Geosciences, Utrecht University, the Netherlands); Nicolas Mangold (LPGN, Université de Nantes/CNRS UMR6112, Nantes, France)

Studies in Martian sedimentary geology have never been more active. Orbital imagery has revealed a vast, ancient stratigraphic record and rover missions have enabled detailed sedimentological studies combined with mineralogical and chemical analyses.
A growing list of geomorphic landforms is also known from Titan, though it remains uncertain whether the moon has a more ancient stratigraphic record.
As on Earth, extraterrestrial sedimentary rocks may archive information pertaining to ancient climate, tectonics and potentially, life. Considering ongoing and future exploration missions aim to find potentially habitable environments, sedimentary rock outcrops therefore make desirable targets. This session invites any contribution towards Martian and Titan sedimentary geology and geochemistry. In addition to the classic contributions, we particularly welcome presentations that utilise appropriate Earth analogues, both modern and ancient. As ongoing and upcoming rover missions are providing increased opportunity to study extraterrestrial sedimentary strata, understanding directly accessible Earth analogues from which to base comparisons has never been more essential.

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Stefano Lugli – stefano.lugli@unimore.it University of Modena – Reggio Emilia, Italy); Maciej Babel (University of Warsaw, Poland); Vinicio Manzi (University of Parma, Italy)

After the full recognition of evaporites as true sediments, and not just chemical precipitates, a large array of sedimentological features have been documented in the last few tens of years, ranging from displacive, intergrowing(related to crystal growth),cumulate, branching, and to any type of clastic, and much more.
Some of the sedimentary features are truly complex and may need to be carefully interpreted, especially after common diagenetic and later transformations, which may deeply change their original appearance.
The goal of this session is to explore the very wide archive of sedimentary and diagenetic features on Earth, which actually represent our reference to understand what we are expecting to find on other planets, where evaporites are known to be present and are just waiting to be described in detail.

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Meeting theme 8 – Paleo-geography and environmental evolutions

Francisco Rodrìquez-Tovar -fjrtovar@ugr.es (University of Granada, Spain); Andreas Wetzel (University of Basel, Switzerland)

Biogenic sedimentary structures produced by organisms store important information for the interpretation of depositional settings because trace fossil producers sensitively respond on environmental conditions. In many instances trace fossils provide the only record of environmental changes.
It is the purpose of the session to show new developments in ichnologic research and to illustrate the use of trace fossils in environmental analysis by case studies. Contributions may focus on both investigations in the Recent and in the rock record and may address (paleo)biological, sedimentological and geochemical and applied aspects in addition.

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Patricia Roeser -patricia.roeser@io-warnemuende.de (Leibniz Institute for Baltic Sea Research, Rostock, Germany); Jérôme Kaiser (Leibniz Institute for Baltic Sea Research, Rostock, Germany); Markus Czymzik (Leibniz Institute for Baltic Sea Research, Rostock, Germany); Martin Theuerkauf (University of Greifswald, Institute of Botany and Landscape Ecology, Germany).

Sedimentary archives witness human impact on the environment way further back in time than usually captured by instrumental records. In this respect, one of the major challenges in sediment-based paleoenvironmental research is to understand and disentangle the environmental response to regional climate forcing from direct human impact.
There are various tools at hand to approach these objectives, such as identifying proper proxies for natural and anthropogenic impact and by integrating (multi-)proxy reconstructions from different paleoenvironmental archives from the same region that are ideally synchronized through independent stratigraphic methods.
This session welcomes paleoenvironmental contributions based on well-dated sedimentary archives from the terrestrial and marine environment, that apply methods such as micro-facies analysis, inorganic and organic geochemistry, organic biomarkers, sedimentary DNA, vegetation reconstruction, and statistical approaches. The session also welcomes contributions on novel environmental proxies, especially those devoted to integrate different types of sedimentary archives.

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Meeting theme 9 – Source-to-Sink studies

Luca Caracciolo – luca.caracciolo@unical.it (GeoZentrum Nordbayern, FAU Erlangen-Nürnberg, Germany); Sergio Andò (Department of Earth and Environmental Sciences, University of Milano Bicocca, Italy); David Chew (Department of Geology, School of Natural Sciences, Trinity College Dublin, Ireland); Alberto Resentini (Department of Earth and Environmental Sciences, University of Milano Bicocca, Italy)

Sediment generation and associated routing systems regulate the fate of sediments from source to sink. They are intimately connected, and result from the interplay of allogenic controls such as tectonics, climate and lithology which largely control denudation, sediment transport, deposition and storage. The quantitative assessment of source to sink systems requires multidisciplinary approaches, including the determination of sediment volumes and fluxes, composition and grain-size, or, in case of ancient systems, inverse reconstruction of the source area characteristics from the detrital mineralogy of basins including geo- and thermochronology approaches.
In this session, we particularly encourage contributions focussing on how external forcing controls sediment generation, and the factors governing sediment grain-size partitioning and trajectories and their distribution within a sedimentary system. We particularly encourage contributions focussing on i) numerical landscape modelling, ii) mass balance – sediment budget – erosion rates, iii) chemical weathering, iv) mechanical wear, v) transport dynamics (partitioning and sorting) and vi depositional controls on early diagenesis. We also welcome contributions highlighting technological advances and/or applications to mineralogical and compositional analyses of sediments. While regional case studies are welcome, in such contributions authors are encouraged to emphasize the broad significance of their work.

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Salvatore Critelli – salvatore.critelli@unical.it (University of Calabria, Italy); Jose Arribas (Universidad Complutense de Madrid, Spain); William Cavazza (University of Bologna, Italy); Rosanna De Rosa, (University of Calabria, Italy); (Daniela Fontana, University of Modena, Italy); Cristina Stefani (University of Padua, Italy); Eduardo Garzanti (University of Milan Bicocca, Italy)

The session start as a session honouring the contributions of Gian Gaspare Zuffa to arenite petrology and the source to sink paleogeography by using detrital signatures of arenites. Spatial and temporal significance of sand particles are one of the main focus for outstanding quantitative provenance analysis of clastic sediments, a topic in which after pioneering work of Zuffa in 1980, thirty years of research provided significant contributions in diverse ancient and modern sedimentary basins in the world. Extrabasinal to intrabasinal processes and related grains generation, and dispersal pathways within sedimentary basins, can quantify sedimentary budgets that are useful for paleogeographic and paleotectonic reconstructions.

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Meeting theme 10 – Applied sedimentology

Sergio Cappucci – sergio.cappucci@enea.it (ENEA, Italy); Vincenzo Pascucci (University of Sassari, Italy); Martin R. Gibling (Dalhousie University, Canada)

Biotic and atmospheric markers of human influence in the Anthropocene have been identified, but stratigraphic evidence is still debated by the geological community. Some stratigraphic signals are synchronous and distributed worldwide. Others are related to local dispersal of legacy sediments, pollutants, and technological debris, with records that extend back to the later Pleistocene. Many human-generated materials degrade slowly, allowing waste and relict ruins to be preserved as “anthropic fossils”.
The session gives an opportunity for sedimentologists to contribute more fully to the “Anthropocene debate ”through research and datasets on sedimentary features and anthropogenic markers. We seek presentations from land-based research (archaeological sites, urban areas, contaminated sites, caves, mines, rivers, dams, forests and agricultural areas) and the submerged environment (coastal areas, continental shelves, deep ocean, lakes, lagoons and estuaries).
The Anthropocene Working Group (AWG) has recommended formal designation of the Anthropocene starting at 1950, and the geological community is approaching the formalization of a new geological epoch. In view of the widespread interest in this concept, the IAS community needs to actively engage the public around the Anthropocene question. The session aims to promote a knowledgeable and coherent approach to these important, wide-ranging issues.

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Julien Curie – julien.curie@mae.u-paris10.fr (UMR CNRS 7041 ArScAn / Sorbonne Université, Paris, France)

The great development of Geoarchaeology in recent decades, along with the progress of analytical methods in Geosciences, has underlined the importance of the study of sediments preserved in archaeological contexts. Many multidisciplinary research programs now focus on these archaeological sediments, analyzing them using several sedimentological and geochemical methods, directly on field as well as later in laboratory. All of them draw a true way to investigate the natural (climatic – tectonic – geographic) and anthropogenic controls on sediment deposition and contribute to enhance our understanding of the connectivity between human activities/settlements and the past environmental contexts over historical times, Holocene and longer timescales. The aim of the session meeting is to gather researches working on these archaeological sediments with a multidisciplinary approach, in order to depict a geoarchaeological catalogue based on sedimentological features controlled by depositional conditions and anthropological impacts. Thus we will try to define new lines of discussions, emphasizing on methods to employ and new research thematics to develop around the concept of “anthropogenic facies”, challenging to upgrade the dialogue between nature and culture.

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Daniela Ruberti – daniela.ruberti@unicampania.it (Department of Civil Engineering Campania University “L. Vanvitelli”, Italy); Marco Sacchi (IAMC-CNR Naples, Italy); Orsolya Sztanó (Eötvös Loránd University, Budapest, Hungary)

Most of the world’s major river deltas and related alluvial coastal plain are affected by subsidence. The main effects of subsidence include aquifer salinization, inundation of lowlands and coastal erosion, increased vulnerability to flooding and storm surges. The risk of rapid coastal subsidence to infrastructure and economy is significative as well.
Subsidence rates reflect regional and local tectonic effects but it can be greatly enhanced by consolidation of sedimentary stata. Usually investigations have measured compaction rates in the shallow subsurface whereas few data exist that quantify compaction rates over the entire Holocene succession, overlying the Pleistocene substrate, mostly characterized by sands, silts, clays and peats compacting under their own weight. Even if primary consolidation process is concluded (due to water extraction for the agricultural and industrial uses, among others) soil deformations can still occur due to creep and will result in an additional vertical movement at ground surface.
This session aims to explore the causes and consequences of coastal subsidence by taking into account the variety of independent subsidence drivers and focusing on the role of the sedimentary architecture and the related geotechnical characteristics of coastal settings.
We encourage studies addressing a wide range of spatial and temporal scales and applying state of the art methodologies.
Interdisciplinary studies are strongly encouraged as they provide the basis for a sustainable management.

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Lars Erikstad – Lars.Erikstad@nina.no (Norwegian Institute for Nature Research, Norway); Piero Gianolla (Ferrara University, Italy); Luisa Sabato (University of Bari Aldo Moro, Italy)

Aim of this session is to collect contributions regarding geodiversity and geoheritage, and that specifically address the relationships between these two important Earth aspects and tourism. Furthermore, welcome will be those contributions that will highlight how the knowledge of stratigraphic-sedimentological characters of a site can contribute to promote geological knowledge.

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Iolanda Gaudiosi, iolanda.gaudiosi@igag.cnr.it (CNR IGAG, Italy), Gino Romagnoli, (CNR IGAG, Italy)
Site effects have been deeply studied over past decades and it is now well known that local geology can strongly affect ground motion amplitude, duration and frequency content, producing different ground motion. The analysis of the influence of local effects on seismic response at ground surface is the main issue of seismic microzonation studies and site specific ground motion analyses.
Despite this knowledge, recent experimental evidences have shown that similar sedimentary covers belonging to different depositional environments can result in different seismic response levels.
This session therefore encourages contributions from scientists in the field of geology, geophysics, engineering seismology and geotechnical engineering for discussing on the state of the art of studies in which the effects of site response are related to sedimentological features. Multidisciplinary contributions with a special focus on site characterization and subsoil models reconstruction are also welcome. Insights from worldwide seismic microzonation will also be particularly appreciated.

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F. Livio – franz.livio@uninsubria.it and Francesca Ferrario (Insubria University), Stefano Gori and Emanuela Falcucci –(INGV)

Strong earthquakes trigger a plethora of environmental effects that can be recognized in the stratigraphic records. The most important of such effects is probably that associated to primary tectonic deformation, namely the rupture at Earth surface of the earthquake causative fault. The interference of fault rupture events with the exogenous processes leaves traces that can be identified with specific “on-fault” stratigraphic and sedimentological analyses and that can provide with data useful for defining the slip history of the investigated fault, its kinematic parametres and a series of information that can represent ingredients for seismic probability analyses. The recognition and analysis of such evidence offer the opportunity to expand the knowledge of the seismic history over wider time windows and to derive seismic parameters for ancient earthquakes, including also macroseismic intensity. However, more work is required to better integrate the various observations, dating uncertainties and modelling techniques and to derive earthquake source parameters for the causative events. This session will bring together different disciplines that focus on the stratigraphic and geologic evidence of past earthquakes with the common aim to better depict the so-called seismic landscape of a region.

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Sergio Cappucci – sergio.cappucci@enea.it (ENEA, Italy); Edward Antony (Aix-Marseille University, France); Enzo Pranzini (University of Florence, Italy); Victor N. de Jonge (University of Hull, UK); Giorgio Fontolan (University of Trieste); P. Lupino (Regione Lazio, Italy).

Beach erosion is the result of a deficit in the coastal sediment budget.
To manage this process coastal sediment stock assessment is crucial, even more under the Integrated Coastal Zone Management (ICZM) framework.
Being hard to increase sediment input from the river system, which is actually reducing due to soil erosion control, flood reduction and dams construction, a knowledge based managing of sediment moving along the coast is the only possible short and medium time strategy to address the problem, with or without hard shore protection structures.
On the other side, shelf sediments are increasingly used to artificially nourish eroding beaches, but this non-renewable resource needs to be assessed and managed in the most sustainable and profitable way. The same is for sediments deposited on the updrift side of harbors and marinas, as well at river mouth jetties; a land-to-land nourishment can be carried out through bypass systems, provided a strong knowledge of the sediment budget and supported by stakeholders consent.
Under a growing human coastal occupation, and within a sea level rise scenario, managing coastal sediments has scientific, technical and administrative issues which deserve more consideration, also to reduce stakeholders conflicts.
Aim of the proposed session is to collect and compare scientific, technical and legal experiences supporting a wise management of this precious resource.

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Meeting theme 11 – Sedimentology and Hydrocarbons

Alham Al-langawi – ajharock2011@hotmail.com (Science Department, The Authority for applied Education and Training- PAAET-Kuwait); Hanadi Aldoukhi (Science Department, The Authority for applied Education and Training- PAAET-Kuwait); Dabeer Ahmad Khan (Kuwait Oil Company- Kuwait); Mohammed Al-Masrahy (Saudi Aramco, Saudi Arabia)

Our session aims to bring together sedimentologists, geomorphologists, and structural geologists with broad interest in studies related to the Middle East region from Precambrian to Cenozoic. It will present new findings and developments related to the Tethys basins, tectonic, sedimentary processes and the development of oil and gas fields.

  • Contributions about the evolution of The Tethys basins under different climatic and/or geodynamic conditions.
  • Contributions about sedimentary and tectonic evolution of intracratonic, foreland, marginal and rift basins including their hydrocarbon potentials.
  • Provides a regional understanding of the geology, sedimentology and stratigraphy of the Middle East.
  • Application of seismic stratigraphy and sedimentology to regional hydrocarbon investigations
  • Analyses of the structure and stratigraphic architecture of related basins and their stratigraphic expressions.
  • The vertical displacements: the mechanisms of uplift and subsidence in the rift and continental margins.
  • The interactions between lithosphere deformation, climate, surface processes (erosion- sedimentation) and topography (aerial and subaqueous).
  • Display oil and gas seeps, methane expelling mud volcanoes, gas chimneys and hydrates illustrating the importance of fluids migrations in geological systems.

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Andrea Argnani – andrea.argnani@ismar.cnr.it (ISMAR-CNR, Bologna, Italy); Fabiano Gamberi (ISMAR-CNR, Bologna, Italy); Andrew Madof (Chevron Energy Technology Company), Massimo Rossi (Eni Upstream & Technical Services)

The study of multi-scale datasets and the integration between disciplines plays a key role in the exploration and exploitation of resources, for which a thorough understanding of subsurface stratigraphic architecture is an essential pre-requisite. In recent years, new thinking and technologies have emerged to help unlock additional hydrocarbon reserves, especially in challenging settings such as basins undergoing active deformation and morphostructural reshaping.
An increasing number of studies now conclude that sequence stratigraphic concepts need to be re-considered with the aim of constructing an inductive and model-independent discipline, thereby departing from the current, deductive, and aprioristic approach. Looking from a cross-disciplinary perspective, this session aims at attracting contributions that address relationships between tectonics and sedimentation using revised sequence-stratigraphic approaches, both surface and subsurface datasets, and integration between scales.
We seek contributions from researchers using: 3D-based data that documents laterally-variable accommodation in settings with moving tectonic hinges; the record of depositional systems and their response to high-frequency allogenic and autogenic changes; process-oriented stratigraphic reconstructions (high-resolution 3D seismostratigraphic interpretation and seismic geomorphology); numerical and analogic stratigraphic modelling (three-dimensional visualization and synthetic stratigraphy); and integration between digital outcrop models and subsurface data.

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Francesco Bigoni – francesco.bigoni@eni.com (Eni SpA Upstream and Technical Services); Ornella Borromeo (Eni SpA Upstream and Technical Services); Massimo Catanzaro (Eni SpA Upstream and Technical Services); Giancarlo Davoli (Eni SpA Upstream and Technical Services)

Sedimentology has always represented a key factor for reservoir modelling, being the main driver to infer the reservoir vs non-reservoir facies characteristics and relationships, as well as porosity and permeability distributions.
Recent improvements in reservoir modelling capabilities and computational capacity result in the chance to input reservoir models with more accurate sedimentological data and to obtain more geologically consistent representations. This leads to different modelling opportunities: a first approach is to build large geocellular models, unlocking the possibility to represent the reservoir heterogeneity in greater detail; another approach is the realization of a high number (tens to hundreds) of equiprobable and alternative scenarios in the attempt to capture the reservoir uncertainties. The two approaches are not mutually exclusive.
However, independently of the modelling approach, accurate sedimentological models derived from subsurface and outcrop analogues assume therefore a stronger importance considered that their characteristics can be preserved with a high detail.
The session may include both methodological contributions and case histories of outcrop and subsurface studies in clastic and carbonate depositional systems, as well as multi scenario and/or high resolution reservoir modelling studies.

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Domenico Chiarella – Domenico.Chiarella@rhul.ac.uk (Royal Holloway, University of London, UK); Lorena Moscardelli (Equinor Research and Technology), Marcello Tropeano (University of Bari Aldo Moro, Italy)
Mixed siliciclastic-carbonate deposits represent the most common examples of a particular type of sediments that lie between the extrabasinal (terrigenous, epiclastic) and the intrabasinal (mainly carbonate) end-members. In recent years, siliciclastic-carbonate deposits have received increased attention since it has been recognized that they are more common in the geologic record that previously thought. Despite the relative importance of these units, there is no consensus between the carbonate and siliciclastic communities regarding the use of a shared nomenclature and/or comprehensive depositional models. Therefore, we true nature of these deposits and the controlling parameters associated with their evolution are far to be fully understood.
Mixed deposits are important in the context of hydrocarbon exploration and production since the siliciclastic and carbonate fractions can affect elements of the petroleum system differently.
The aim of this session is to gather contributions focusing on different aspects pertaining to mixed deposits with special interest in case studies that (i) showcase the coexistence of both siliciclastic and carbonate deposition, as well as (ii) link different elements of the depositional profile from shallow to deep-water deposits. Contributions from both academia and industry are sought.

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Gabriele Gambacorta – gabriele.gambacorta@eni.com (Geology and Geophysics Research and Technological Innovation Dpt., Eni, Italy); Juergen Schieber (Department of Geological Sciences, Indiana University, USA)

Mudrocks represent roughly the 75% of the stratigraphic record. The understanding of the processes that control their deposition and diagenesis is then crucial for the interpretation of Earth history. Beside their importance as stratigraphic and paleoclimatic record, fine-grained sediments are also economically relevant as cap-rocks and source rocks.
In recent years, research on mudrocks has revealed the complexity of the physical and chemical processes controlling their sedimentation. The paradigm that mudstones accumulated in low-energy settings via suspension settling have been finally overcame. Thanks to new data, flume experiments and new techniques, insights about depositional styles and processes have emerged. Complex micro- to large-scale processes control mudrocks erosion, transport and deposition, thus impacting on lateral and vertical heterogeneity of fine-grained successions. Variations in the depositional style and early diagenesis of mudrocks exert a major control on sealing efficiency and organic matter dilution and preservation, thus finally affecting their properties as potential cap-rocks and source rocks.
The aim of this session is to provide a representative review of the state of the art of mudrocks petrography, sedimentology and stratigraphy. Within this framework, we invite contributions that capture the complexity of physical and chemical depositional processes of fine-grained sediments both from modern environments and past sedimentary records.

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Marta Gasparrini – marta.gasparrini@ifpen.fr (Georesources Department, IFP Energies nouvelles, France); Tatyana Gabellone (SPES – Sedimentology, Petrography and Stratigraphy, Eni S.p.A, Italy); Cédric M. John, (Department of Earth Science and Engineering, Imperial College London, UK)

Diagenetic processes severely modify initial carbonate sediment properties, in particular mineralogy and crystal size (reactive potential), porosity and permeability (flow properties), and geochemistry (isotope and elemental composition). Understanding the temperature (T), pressure (P) and timing (t) at which these processes occur, as well as the geochemistry of the fluids involved (isotope composition, salinity) is fundamental in building conceptual models aiming at predicting the temporal and spatial occurrence of diagenetic modifications.
Constraining the diagenetic processes and their key parameters (T, P, t, fluid composition) by combining conventional petrographic and geochemical approaches often remains a challenge and has inherent limitations.
Recent analytical developments that overcome the limits of conventional approaches promise to open new avenues for diagenesis studies, in particular by reducing uncertainties surrounding data interpretation. However, the applicability fields of such techniques in the entire realm of diagenesis is underexplored, and the limits and drawbacks of the new approaches still need further investigation.
This session aims to solicit discussion of recent achievements in this field, where the most innovative approaches to reconstruct carbonate diagenesis have been developed or applied alongside with more traditional tools, with possible applications to solve future energy issues (oil & gas, geothermics, CO2 storage) in sedimentary basins.

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Hongliu Zeng – zengh@beg.utexas.edu (Bureau of Economic Geology, Jackson School of Geosciences, The University of Texas at Austin, USA); Xiaomin Zhu (China University of Petroleum, Beijing, China)

Seismic interpretation is traditionally low resolution for sedimentological research. In recent decades, seismic interpretation of high-resolution (meters to tens of meters) subsurface sedimentology has become increasingly in demand. In mature hydrocarbon exploration basins especially, subsurface sedimentologists are more concentrated on thin, small, and stratigraphic targets for infield drilling.
During the pursuit of high resolution, seismic geomorphology (Posamentier, 2000, 2001) and seismic sedimentology (Zeng et al., 1998; Schlager, 2000) arose and thrived. The seismic geomorphology and seismic sedimentology are the seismic investigation of sedimentary rocks and depositional processes, which came into being with the mapping of litho-geomorphologic facies by joint study of seismic lithology and seismic geomorphology (Zeng and Hentz, 2004). It focuses on high-resolution seismic imaging and interpretation of subsurface sedimentology (lithology, facies, and referred reservoir quality), analogous to field-based sedimentology and well-based subsurface sedimentology, but more accustomed to reservoir prediction.
The researches of seismic geomorphology and seismic sedimentology have been becoming a cutting-edge for fine sedimentology and fruitful achievements have been made in the world. We propose this session for researchers to present and discuss new tools, methods, and challenges, and also showcase the continued success of seismic geomorphology and seismic sedimentology applied to exploration and production of petroleum and other mineral resources.

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Giacomo Medici – G.Medici@leeds.ac.uk (University of Leeds, UK); Luca Colombera (University of Leeds, UK); Na Yan (University of Leeds, UK); Mattia Marini (University of Milan, Italy); Nigel Mountney (University of Leeds, UK)

Description and quantification of sedimentary heterogeneities is fundamental to constraining connectivity of facies and distribution of permeability in geological porous media. This has important implications for establishing approaches to hydrocarbon recovery, underground carbon sequestration, groundwater exploitation and remediation for contaminant dispersal in aquifers. Linkages between depositional environments, sedimentary facies, patterns of diagenesis, and petrophysical properties have been widely described from a range of different settings, demonstrating the value of sedimentology in reservoir characterization.
Datasets acquired from outcrop and core logs can provide information on how sedimentary facies stack spatially and aid in development of predictive models for subsurface analogues. Furthermore, petrophysical and hydraulic testing from wells assists in the detection and appraisal of flow effects for different facies configurations, and therefore makes the characterization of productive reservoirs more robust.
We invite research presentations on characterization and modelling of sedimentary and petrophysical heterogeneities from both carbonate and siliciclastic deposits. Contributions are invited on specific topics that include, but are not limited to, the following: capturing heterogeneities from outcrops, cores and geophysical imaging; numerical and geostatistical modelling of sedimentary facies and petrophysics; approaches to enhanced oil recovery, CO2 storage and assessment of dynamic connectivity in reservoirs; groundwater flow and contaminant transport.

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Amalia Spina – amalia.spina@unipg.it(University of Perugia, Italy); Annette E. Götz (University of Portsmouth, UK), Nicoletta Buratti (Total SA, France)

The session will focus on the progress of current research and the role of organic matter, palynofacies and palynology studies as an important tool in geoscience. A wide range of topics highlighting the application of organic matter studies to hydrocarbon exploration, palaeoenvironmental reconstructions and stratigraphy will be included.
The session aims at stimulating discussions and collaboration on:

  • integrated palynofacies, organic facies and sedimentological analyses as contribute to palaeoenvironmental reconstruction and basin evaluation;
  • organic facies as tool for palaeogeographic and paleoclimate reconstructions;
  • palaeobiogeographic reconstructions by means of marine and terrestrial palynomorph associations;
  • thermal maturity assessment of organic matter by optical and geochemical methods.

Participants are invited to present methodological approaches and significant case studies in reconstructing depositional environments, burial and thermal modelling of sedimentary basins, cyclostratigraphy, sequence stratigraphy, etc..
All these topics are crucial for the future application of organic matter studies as a fundamental research in the fields of Earth Science.

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Daniela Fontana – daniela.fontana@unimore.it (University of Modena, Italy); Rossella Capozzi (University of Bologna, Italy); Jochen Knies (Geological Survey of Norway NGU, and Centre for Arctic Gas Hydrate, Environment and Climate CAGE at UIT Arctic University, Norway); Giuliana Panieri (Centre for Arctic Gas Hydrate, Environment and Climate CAGE at UIT Arctic University of Norway, Norway)

Enormous amount of methane and gas hydrates are found along continental margins worldwide, beneath Arctic permafrost and Antarctica ice. The deep methane-rich fluids tend to migrate upward through diffuse intergranular flow and/or advective flow through structural or stratigraphic permeable pathways, eventually mixing with shallow methane sources, inducing the precipitation of thick authigenic carbonates linked to the anaerobic oxidation of methane. There are still many unsolved questions and fundamental science challenges related to methane carbon flux in the marine environment, gas hydrate reservoir responses to natural and anthropogenic perturbations, as well as their evolution through time. In this session we welcome contributes showing examples and evidences from sedimentology, bio/geochemistry and ecology, that control and/or are affected by methane-rich fluid expulsions and gas hydrate settings. We wish to create synergies between marine and terrestrial sciences, modern day and past observations, for a multifaceted view on methane rich fluid dynamics and their signatures in the sedimentary column.

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