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  • 1
    Call number: 9/M 07.0421(494)
    In: Special publications / the Geological Society, London, No. 494
    Description / Table of Contents: A cross-border approach to exploration, appraisal and development is important in mature basins such as the North Sea, where the ‘low hanging fruit’ have long gone. This approach emphasizes the need to see the basin as one geological entity, in order to maximize economic recovery and prepare the area for the energy transition. This volume offers an up-to-date, ‘geology-without-borders’ view of the stratigraphy, sedimentology, tectonics and oil-and-gas exploration trends of the entire North Sea basin, along with the challenges associated with differences in data continuity and nomenclature across median lines. This volume includes overviews of cross-border play statistics, lithostratigraphic naming conventions and exploration performance through to new facies models for cross-border areas. As such, this volume will be a valuable reference for every geoscientist working in the North Sea for years to come.
    Type of Medium: Monograph available for loan
    Pages: vi, 504 Seiten , Illustrationen, Diagramme, Karten
    ISBN: 978-1-78620-457-8 , 9781786204578
    ISSN: 0305-8719
    Series Statement: Special publications / the Geological Society, London No. 494
    Language: English
    Note: Contents Acknowledgements Archer, S. G., Kombrink, H., Patruno, S., Chiarella, D., Jackson, C. A.-L. and Howell, J. A. / Cross-border petroleum geology in the North Sea: an introduction General North Sea Patruno, S., Kombrink, H. and Archer, S. G. / Cross-border stratigraphy of the Northern, Central and Southern North Sea: a comparative tectono-stratigraphic megasequence synthesis Kombrink, H. and Patruno, S. / The integration of public domain lithostratigraphic data into a series of cross-border North Sea well-penetration maps Quirk, D. G. and Archer, S. G. / Exploration play statistics in the Southern North Sea region of The Netherlands and UK Quirk, D. G. and Archer, S. G. / Exploration play statistics in the central–northern North Sea region of UK–Norway–Denmark Roberts, P., Jordan, O., Steen, Ø., Leppard, C., Janssen, J. S., Baudia, E., Ramm, A. and Helgesen, G. / One North Sea fairway analysis: revealing opportunities through data integration across scales Myers, K., Rouillard, P. and Zanella, E. / Exploration performance in the UK and Norwegian North Sea Quirk, D. G., Underhill, J. R., Gluyas, J. G., Howe, M. J., Wilson, H. A. M. and Anderson, S. A / low-carbon future for The North Sea Basin Paleozoic Boscolo Gallo, A., Kilhams, B., de Keijzer, M. and Nicolai, C. / Can thin coals be resolved in seismic data? An example of the challenges for Carboniferous (Visean to Westphalian) source-rock definition across the Elbow Spit Platform (Netherlands) and the Mid North Sea High (UK) through well synthetic modelling Doornenbal, J. C., Kombrink, H., Bouroullec, R., Dalman, R. A. F., De Bruin, G., Geel, C. R., Houben, A. J. P., Jaarsma, B., Juez-Larré, J., Kortekaas, M., Mijnlieff, H. F., Nelskamp, S., Pharaoh, T. C., Ten Veen, J. H., Ter Borgh, M., Van Ojik, K., Verreussel, R. M. C. H., Verweij, J. M. and Vis, G.-J. / New insights on subsurface energy resources in the Southern North Sea Basin area Daniels, S. E., Tucker, M. E., Mawson, M. J., Holdsworth, R. E., Long, J. J., Gluyas, J. G. and Jones, R. R. / Nature and origin of collapse breccias in the Zechstein of NE England: local observations with cross-border petroleum exploration and production significance, across the North Sea Scisciani, V., Patruno, S., D’Intino, N. and Esestime, P. / Paleozoic basin reactivation and inversion of the underexplored Northern North Sea platforms: a cross-border approach Mesozoic Archer, S. G., McKie, T., Andrews, S. D., Wilkins, A. D., Hutchison, M., Young-Ziolkowski, N., Osunde, C., Matheson, J., Thackrey, S., Lang, M., Sola, B., Mouritzen, C., Perrell, C., Greenwood, M., Mauritzen, E. and Tenepalli, S. / Triassic mudstones of the Central North Sea: cross-border characterization, correlation and their palaeoclimatic significance Gray, E., Hartley, A. and Howell, J. / The influence of stratigraphy and facies distribution on reservoir quality and production performance in the Triassic Skagerrak Formation of the UK and Norwegian Central North Sea Orre, L. T. E. and Folkestad, A. / Depositional environments of the Early to Middle Triassic northern North Sea in a syn-rift to a post-rift setting Galluccio, L., Foote, N., Bertouche, M., Kostic, B. and James, A. / Preliminary assessment of dolomite stringers in the Upper Jurassic Farsund Formation as a potential unconventional hydrocarbon reservoir Cenozoic Pernin, N., Feuilleaubois, L., Bird, T. and Reiser, C. / Identifying and de-risking near-field opportunities through reliable pre-stack broadband attributes: examples from the Paleocene North Sea (UK–Norway) injectites play Karstens, J., Müller, P., Berndt, C. and Patruno, S. / Deep-seated focused fluid migration as indicator for hydrocarbon leads in the East Shetland Platform, North Sea Province Medvedev, S., Hartz, E. H., Schmid, D. W., Zakariassen, E. and Varhaug, P. / Influence of glaciations on North Sea petroleum systems Index
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  • 2
    Call number: 9/M 07.0421(495)
    In: Special publications / the Geological Society, London, No. 495
    Description / Table of Contents: This volume offers an up-to-date ‘geology-without-borders’ view of the stratigraphy, sedimentology, tectonics and oil-and-gas exploration trends of the entire Atlantic Margin and Barents Sea basin. The challenges associated with data continuity and nomenclature differences across median lines are discussed and mitigated. Examples of under-exploited cross-border plays and discoveries are discussed.
    Type of Medium: Monograph available for loan
    Pages: vi, 320 Seiten , Illustrationen, Diagramme, Karten
    ISBN: 978-1-78620-458-5 , 9781786204585
    ISSN: 0305-8719
    Series Statement: Special publications / the Geological Society, London No. 495
    Language: English
    Note: Contents Acknowledgements Legend for the cover image Chiarella, D., Archer, S. G., Howell, J. A., Jackson, C. A.-L., Kombrink, H. and Patruno, S. / Cross-border subsurface geology in the Atlantic Margin and the Barents Sea: an introduction Tectonic evolution Libak, A., Torabi, A. and Alaei, B. / Normal fault geometric attribute variations with lithology: examples from the Norwegian Barents Sea Anell, I., Indrevær, K. and Serck, C. S. / Influence of structural highs on Triassic deposition on the western Barents Shelf Kristensen, T. B., Rotevatn, A., Marvik, M., Henstra, G. A., Gawthorpe, R. L. and Ravnås, R. / Quantitative analysis of fault-and-fold growth in a transtensional basin: the Sørvestsnaget Basin, Western Barents Sea Trice, R., Hiorth, C. and Holdsworth, R. / Fractured basement play development on the UK and Norwegian rifted margins Millett, J. M., Manton, B. M., Zastrozhnov, D., Planke, S., Maharjan, D., Bellwald, B., Gernigon, L., Faleide, J. I., Jolley, D. W., Walker, F., Abdelmalak, M. M., Jerram, D. A., Myklebust, R., Kjølhamar, B. E., Halliday, J. and Birch-Hawkins, A. / Basin structure and prospectivity of the NE Atlantic volcanic rifted margin: cross-border examples from the Faroe–Shetland, Møre and Southern Vøring basins Stratigraphic, sedimentological and reservoir characterization Jones, G. E. D., Welbon, A. I. F., Mohammadlou, H., Sakharov, A., Ford, J., Needham, T. and Ottesen, C. / Complex stratigraphic fill of a small, confined syn-rift basin: an Upper Jurassic example from offshore mid-Norway Chiarella, D. and Joel, D. / Stratigraphic and sedimentological characterization of the Late Cretaceous post-rift intra Lange Sandstones of the Gimsan Basin and Grinda Graben (Halten Terrace, Norwegian Sea) Walker, F., Schofield, N., Millett, J., Jolley, D., Hole, M. and Stewart, M. / Paleogene volcanic rocks in the northern Faroe–Shetland Basin and Møre Marginal High: understanding lava field stratigraphy Klausen, T. G., Müller, R., Poyatos-Moré, M., Olaussen, S. and Stueland, E. / Tectonic, provenance and sedimentological controls on reservoir characteristics in the Upper Triassic–Middle Jurassic Realgrunnen Subgroup, SW Barents Sea Riis, F. and Wolff, A. / Use of pore pressure data from the Norwegian Continental Shelf to characterize fluid-flow processes in geological timescales Hunt, G. A., Williams, R., Charnock, M. A., Moss, A., Meltveit, J. and Florescu, D. / Geological and petrophysical applications of imaging infrared spectroscopy for mineralogical analysis of core and cuttings: examples from the North Sea, Norwegian Sea and Barents Sea Index
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  • 3
    Call number: 10.1144/SP494 (e-book)
    In: Special publications / the Geological Society, London, No. 494
    Description / Table of Contents: A cross-border approach to exploration, appraisal and development is important in mature basins such as the North Sea, where the ‘low hanging fruit’ have long gone. This approach emphasizes the need to see the basin as one geological entity, in order to maximize economic recovery and prepare the area for the energy transition. This volume offers an up-to-date, ‘geology-without-borders’ view of the stratigraphy, sedimentology, tectonics and oil-and-gas exploration trends of the entire North Sea basin, along with the challenges associated with differences in data continuity and nomenclature across median lines. This volume includes overviews of cross-border play statistics, lithostratigraphic naming conventions and exploration performance through to new facies models for cross-border areas. As such, this volume will be a valuable reference for every geoscientist working in the North Sea for years to come.
    Type of Medium: 12
    Pages: 1 Online-Ressource (vi, 504 Seiten) , Illustrationen, Diagramme, Karten
    ISBN: 978-1-78620-457-8 , 9781786204578
    ISSN: 0305-8719
    Series Statement: Special publications / the Geological Society, London No. 494
    Language: English
    Note: Contents Acknowledgements Archer, S. G., Kombrink, H., Patruno, S., Chiarella, D., Jackson, C. A.-L. and Howell, J. A. / Cross-border petroleum geology in the North Sea: an introduction General North Sea Patruno, S., Kombrink, H. and Archer, S. G. / Cross-border stratigraphy of the Northern, Central and Southern North Sea: a comparative tectono-stratigraphic megasequence synthesis Kombrink, H. and Patruno, S. / The integration of public domain lithostratigraphic data into a series of cross-border North Sea well-penetration maps Quirk, D. G. and Archer, S. G. / Exploration play statistics in the Southern North Sea region of The Netherlands and UK Quirk, D. G. and Archer, S. G. / Exploration play statistics in the central–northern North Sea region of UK–Norway–Denmark Roberts, P., Jordan, O., Steen, Ø., Leppard, C., Janssen, J. S., Baudia, E., Ramm, A. and Helgesen, G. / One North Sea fairway analysis: revealing opportunities through data integration across scales Myers, K., Rouillard, P. and Zanella, E. / Exploration performance in the UK and Norwegian North Sea Quirk, D. G., Underhill, J. R., Gluyas, J. G., Howe, M. J., Wilson, H. A. M. and Anderson, S. A / low-carbon future for The North Sea Basin Paleozoic Boscolo Gallo, A., Kilhams, B., de Keijzer, M. and Nicolai, C. / Can thin coals be resolved in seismic data? An example of the challenges for Carboniferous (Visean to Westphalian) source-rock definition across the Elbow Spit Platform (Netherlands) and the Mid North Sea High (UK) through well synthetic modelling Doornenbal, J. C., Kombrink, H., Bouroullec, R., Dalman, R. A. F., De Bruin, G., Geel, C. R., Houben, A. J. P., Jaarsma, B., Juez-Larré, J., Kortekaas, M., Mijnlieff, H. F., Nelskamp, S., Pharaoh, T. C., Ten Veen, J. H., Ter Borgh, M., Van Ojik, K., Verreussel, R. M. C. H., Verweij, J. M. and Vis, G.-J. / New insights on subsurface energy resources in the Southern North Sea Basin area Daniels, S. E., Tucker, M. E., Mawson, M. J., Holdsworth, R. E., Long, J. J., Gluyas, J. G. and Jones, R. R. / Nature and origin of collapse breccias in the Zechstein of NE England: local observations with cross-border petroleum exploration and production significance, across the North Sea Scisciani, V., Patruno, S., D’Intino, N. and Esestime, P. / Paleozoic basin reactivation and inversion of the underexplored Northern North Sea platforms: a cross-border approach Mesozoic Archer, S. G., McKie, T., Andrews, S. D., Wilkins, A. D., Hutchison, M., Young-Ziolkowski, N., Osunde, C., Matheson, J., Thackrey, S., Lang, M., Sola, B., Mouritzen, C., Perrell, C., Greenwood, M., Mauritzen, E. and Tenepalli, S. / Triassic mudstones of the Central North Sea: cross-border characterization, correlation and their palaeoclimatic significance Gray, E., Hartley, A. and Howell, J. / The influence of stratigraphy and facies distribution on reservoir quality and production performance in the Triassic Skagerrak Formation of the UK and Norwegian Central North Sea Orre, L. T. E. and Folkestad, A. / Depositional environments of the Early to Middle Triassic northern North Sea in a syn-rift to a post-rift setting Galluccio, L., Foote, N., Bertouche, M., Kostic, B. and James, A. / Preliminary assessment of dolomite stringers in the Upper Jurassic Farsund Formation as a potential unconventional hydrocarbon reservoir Cenozoic Pernin, N., Feuilleaubois, L., Bird, T. and Reiser, C. / Identifying and de-risking near-field opportunities through reliable pre-stack broadband attributes: examples from the Paleocene North Sea (UK–Norway) injectites play Karstens, J., Müller, P., Berndt, C. and Patruno, S. / Deep-seated focused fluid migration as indicator for hydrocarbon leads in the East Shetland Platform, North Sea Province Medvedev, S., Hartz, E. H., Schmid, D. W., Zakariassen, E. and Varhaug, P. / Influence of glaciations on North Sea petroleum systems Index
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  • 4
    Call number: 10.1144/SP495 (e-book)
    In: Special publications / the Geological Society, London, No. 495
    Description / Table of Contents: This volume offers an up-to-date ‘geology-without-borders’ view of the stratigraphy, sedimentology, tectonics and oil-and-gas exploration trends of the entire Atlantic Margin and Barents Sea basin. The challenges associated with data continuity and nomenclature differences across median lines are discussed and mitigated. Examples of under-exploited cross-border plays and discoveries are discussed.
    Type of Medium: 12
    Pages: vi, 320 Seiten , Illustrationen, Diagramme, Karten
    ISBN: 978-1-78620-458-5 , 9781786204585
    ISSN: 0305-8719
    Series Statement: Special publications / the Geological Society, London No. 495
    Language: English
    Note: Contents Acknowledgements Legend for the cover image Chiarella, D., Archer, S. G., Howell, J. A., Jackson, C. A.-L., Kombrink, H. and Patruno, S. / Cross-border subsurface geology in the Atlantic Margin and the Barents Sea: an introduction Tectonic evolution Libak, A., Torabi, A. and Alaei, B. / Normal fault geometric attribute variations with lithology: examples from the Norwegian Barents Sea Anell, I., Indrevær, K. and Serck, C. S. / Influence of structural highs on Triassic deposition on the western Barents Shelf Kristensen, T. B., Rotevatn, A., Marvik, M., Henstra, G. A., Gawthorpe, R. L. and Ravnås, R. / Quantitative analysis of fault-and-fold growth in a transtensional basin: the Sørvestsnaget Basin, Western Barents Sea Trice, R., Hiorth, C. and Holdsworth, R. / Fractured basement play development on the UK and Norwegian rifted margins Millett, J. M., Manton, B. M., Zastrozhnov, D., Planke, S., Maharjan, D., Bellwald, B., Gernigon, L., Faleide, J. I., Jolley, D. W., Walker, F., Abdelmalak, M. M., Jerram, D. A., Myklebust, R., Kjølhamar, B. E., Halliday, J. and Birch-Hawkins, A. / Basin structure and prospectivity of the NE Atlantic volcanic rifted margin: cross-border examples from the Faroe–Shetland, Møre and Southern Vøring basins Stratigraphic, sedimentological and reservoir characterization Jones, G. E. D., Welbon, A. I. F., Mohammadlou, H., Sakharov, A., Ford, J., Needham, T. and Ottesen, C. / Complex stratigraphic fill of a small, confined syn-rift basin: an Upper Jurassic example from offshore mid-Norway Chiarella, D. and Joel, D. / Stratigraphic and sedimentological characterization of the Late Cretaceous post-rift intra Lange Sandstones of the Gimsan Basin and Grinda Graben (Halten Terrace, Norwegian Sea) Walker, F., Schofield, N., Millett, J., Jolley, D., Hole, M. and Stewart, M. / Paleogene volcanic rocks in the northern Faroe–Shetland Basin and Møre Marginal High: understanding lava field stratigraphy Klausen, T. G., Müller, R., Poyatos-Moré, M., Olaussen, S. and Stueland, E. / Tectonic, provenance and sedimentological controls on reservoir characteristics in the Upper Triassic–Middle Jurassic Realgrunnen Subgroup, SW Barents Sea Riis, F. and Wolff, A. / Use of pore pressure data from the Norwegian Continental Shelf to characterize fluid-flow processes in geological timescales Hunt, G. A., Williams, R., Charnock, M. A., Moss, A., Meltveit, J. and Florescu, D. / Geological and petrophysical applications of imaging infrared spectroscopy for mineralogical analysis of core and cuttings: examples from the North Sea, Norwegian Sea and Barents Sea Index
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  • 5
    Keywords: Atlantic Margin ; Barents Sea ; stratigraphy ; sedimentology ; tectonics ; oil exploration ; gas exploration
    Description / Table of Contents: 12 September 2019 --- Influence of structural highs on Triassic deposition on the western Barents Shelf / I. Anell, K. Indrevær and C. S. Serck / Geological Society, London, Special Publications, 495, 12 September 2019, https://doi.org/10.1144/SP495-2018-76 --- 27 August 2019 --- Tectonic, provenance and sedimentological controls on reservoir characteristics in the Upper Triassic–Middle Jurassic Realgrunnen Subgroup, SW Barents Sea / Tore Grane Klausen, Reidar Müller, Miquel Poyatos-Moré, Snorre Olaussen and Eirik Stueland / Geological Society, London, Special Publications, 495, 27 August 2019, https://doi.org/10.1144/SP495-2018-165 --- 14 August 2019 --- Normal fault geometric attribute variations with lithology: examples from the Norwegian Barents Sea / A. Libak, A. Torabi and B. Alaei / Geological Society, London, Special Publications, 495, 30 July 2019, https://doi.org/10.1144/SP495-2018-164 --- 19 July 2019 --- Fractured basement play development on the UK and Norwegian rifted margins / Robert Trice, Cecilie Hiorth and Robert Holdsworth / Geological Society, London, Special Publications, 495, https://doi.org/10.1144/SP495-1
    Edition: online first
    Language: English
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  • 6
    Keywords: North Sea ; stratigraphy ; sedimentology ; tectonics ; oil exploration ; gas exploration
    Description / Table of Contents: 13 September 2019 --- Depositional environments of the Early to Middle Triassic northern North Sea in a syn-rift to a post-rift setting / Linn T. E. Orre and Atle Folkestad / Geological Society, London, Special Publications, 494, 13 September 2019, https://doi.org/10.1144/SP494-2019-64 --- 6 September 2019 --- Identifying and de-risking near-field opportunities through reliable pre-stack broadband attributes: examples from the Paleocene North Sea (UK–Norway) injectites play / Noémie Pernin, Laurent Feuilleaubois, Tim Bird and Cyrille Reiser / Geological Society, London, Special Publications, 494, 6 September 2019, https://doi.org/10.1144/SP494-2019-11 --- 30 August 2019 --- Deep-seated focused fluid migration as indicator for hydrocarbon leads in the East Shetland Platform, North Sea Province / Jens Karstens, Philipp Müller, Christian Berndt and Stefano Patruno / Geological Society, London, Special Publications, 494, 30 August 2019, https://doi.org/10.1144/SP494-2019-26 --- 22 August 2019 --- One North Sea fairway analysis: revealing opportunities through data integration across scales / Paul Roberts, Oliver Jordan, Øyvind Steen, Christopher Leppard, Jose Salvadores Janssen, Emmanuelle Baudia, Alice Ramm and Geir Helgesen / Geological Society, London, Special Publications, 494, 22 August 2019, https://doi.org/10.1144/SP494-2019-5 --- New insights on subsurface energy resources in the Southern North Sea Basin area / J. C. Doornenbal, H. Kombrink, R. Bouroullec, R. A. F. Dalman, G. De Bruin, C. R. Geel, A. J. P. Houben, B. Jaarsma, J. Juez-Larré, M. Kortekaas, H. F. Mijnlieff, S. Nelskamp, T. C. Pharaoh, J. H. Ten Veen, M. Ter Borgh, K. Van Ojik, R. M. C. H. Verreussel, J. M. Verweij and G.-J. Vis / Geological Society, London, Special Publications, 494, 22 August 2019, https://doi.org/10.1144/SP494-2018-178 --- 19 August 2019 --- Preliminary assessment of dolomite stringers in the Upper Jurassic Farsund Formation as a potential unconventional hydrocarbon reservoir / Laura Galluccio, Nicolas Foote, Meriem Bertouche, Boris Kostic and Andrea James / Geological Society, London, Special Publications, 494, 19 August 2019, https://doi.org/10.1144/SP494-2018-184 --- Influence of glaciations on North Sea petroleum systems / Sergei Medvedev, Ebbe H. Hartz, Daniel W. Schmid, Erik Zakariassen and Per Varhaug / Geological Society, London, Special Publications, 494, 19 August 2019, https://doi.org/10.1144/SP494-2018-183 --- 17 July 2019 --- Exploration Performance in the UK and Norwegian North Sea / Keith Myers, Pierrick Rouillard and Edwige Zanella / Geological Society, London, Special Publications, 494, https://doi.org/10.1144/SP494-2018-193
    Edition: online first
    Language: English
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  • 7
    Publication Date: 2017-04-04
    Description: The Southern Apennines, Calabro-Peloritane block, and Sicilian Maghrebides form a ~700 km long orogenic bend, known as Calabrian Arc (Cifelli et al., 2007). The bending of this orogenic system was realized progressively through opposite-sense rotation of the two limbs, counterclockwise (CCW) in the Southern Apennines and clockwise (CW) in the Sicilian Maghrebides, synchronous to the Miocene-to-Present opening of the Tyrrhenian Sea. Despite the wealth of paleomagnetic data from the Southern Apennines, the main Miocene rotational phase still remains poorly constrained in time and, more importantly, data from the most internal paleogeographic domains of the belt are completely lacking. The Gorgoglione Formation, a middle Miocene piggy-back deposit of the Southern Apennines, unconformably resting over the internal Sicilide Unit, offers the unique opportunity to document the deformation pattern of the most internal units, and reconstruct the incipient tectonic phases leading to the formation of the Calabrian Arc. New paleomagnetic and biostratigraphic data from the Gorgoglione Fm. reveal a post-early Serravallian ~125° CCW rotation with respect to stable Africa. Such a large rotation, affecting the Gorgoglione Fm. (and consequently the underneath allochthonous Sicilide nappe) exceeds by ~45° the maximum mean CCW rotation previously reported for the Southern Apennines. We propose that the additional ~45° CCW rotation measured in the Sicilide Unit is the result of an earlier, late Miocene phase of deformation related to the onset of the Tyrrhenian Sea opening and affecting the most internal paleogeographic domains of the Southern Apennines. Our reconstructed tectonic scenario confirms and emphasizes the central role of the Ionian slab in the geodynamic evolution of the central Mediterranean.
    Description: Published
    Description: 24-37
    Description: 2.2. Laboratorio di paleomagnetismo
    Description: JCR Journal
    Description: restricted
    Keywords: Southern Apennines ; Gorgoglione Formation ; Paleomagnetism ; Tectonics ; Calabrian Arc ; Biostratigraphy ; 04. Solid Earth::04.04. Geology::04.04.08. Sediments: dating, processes, transport ; 04. Solid Earth::04.05. Geomagnetism::04.05.06. Paleomagnetism
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 8
    Publication Date: 2019
    Description: 〈span〉〈div〉Abstract〈/div〉Traditional sequence stratigraphic models provide limited understanding of the internal complexity and variability of mixed siliciclastic-carbonate strata accumulated in tectonically active settings. Coeval Lower Pleistocene (Gelasian) shallow-marine, mixed siliciclastic-carbonate depositional wedges accumulated within an active piggyback basin along the southern Italy fold-and-thrust belt are characterized by similar internal architecture of sequences but different stacking patterns. In particular, four coastal wedges (up to 30 m thick each), just a few kilometers (∼2 km) apart from each other, show aggradational versus progradational stacking patterns related to their location within a deforming piggyback basin. In all the studied sections, mixed siliciclastic-carbonate strata form isolated sedimentary wedges organized into three vertically stacked transgressive-regressive sequences bounded by sharp flooding surfaces. Aggradational versus progradational internal architecture results from (1) local syndepositional compressive and/or extensional tectonics controlling differential uplift and subsidence, and (2) sediment supply characterized by a combination of intrabasinal and extrabasinal siliciclastics and carbonates. Aggradation occurs in areas showing a balance between both accommodation and sediment supply, and siliciclastic and carbonate fractions. Progradation is typical of supply-dominated areas located close to the active anticline, and dominated by the carbonate fraction. The present work documents the local variability of stratal stacking patterns and sediment supply (siliciclastic-carbonate ratio). We highlight the limitations of using sequence architectures and systems tracts for base-level change and basin reconstructions in tectonically active settings. It is important not only to correctly interpret the stacking pattern, but also to increase our understanding of the type of sediment (siliciclastic vs. carbonate) and sedimentation rate, sedimentation loci, and subsurface predictions.〈/span〉
    Print ISSN: 0091-7613
    Electronic ISSN: 1943-2682
    Topics: Geosciences
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  • 9
    Publication Date: 2012-12-21
    Description: : A new sedimentological technique has been tested in Gelasian cross-stratified, bio-siliciclastic deposits cropping out in southern Italy (Lucanian Apennine) to disentangle paleoenvironmental and model reconstructions for shallow-water mixed sediments. The proposed method suggests the use of the bioclastic/siliciclastic ratio ( b/s ), and the Segregation Index ( S.I. ) to evaluate the percentage of the dominant clastic component in a mixed deposit, and in order to estimate the degree of the heterolithic segregation between bioclastic and siliciclastic particles. The principle of this method is based on the experimental evidence that bioclasts and quartz grains reveal a different physical behavior if entrained by a hydraulic flow of a given energy. Thus, a different internal texture of bioclastic and terrigenous particles in the same sedimentary deposit is regarded as the result of the variation in the energy of a number of hydrodynamic processes that characterize shallow marine settings, including waves, currents, and tides. The studied mixed sediments, subdivided into facies associations, exhibit stratigraphic shoaling-upward successions recording repeated transitions from offshore to shoreface environments. These trends are documented through the vertical variations in the degree of heterolithic segregation between mixed clastic particles, quantified by using the S.I. introduced in the present study. The assessment of the degree of heterolithic segregation is thus proposed as a proxy to distinguish depositional environments related to different water depths in shallow-water mixed systems.
    Print ISSN: 1527-1404
    Topics: Geosciences
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  • 10
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    American Association for the Advancement of Science (AAAS)
    In: Science
    Publication Date: 2019
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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