High-resolution record reveals climate-driven environmental and sedimentary changes in an active rift

Autor: Gareth D. O. Carter, M. Ismaiel, Lisa C. McNeill, Gino de Gelder, Malka L. Machlus, Liliane Janikian, Shunli Li, S. Green, Kostas Panagiotopoulos, Sabire Asli Oflaz, Sofia Pechlivanidou, Rob L. Gawthorpe, Jack Gillespie, Simone Sauer, Donna J. Shillington, Spyros Sergiou, Natalia Zakharova, Casey W. Nixon, Emilio Herrero-Bervera, Maria Geraga, Clint Miller, Mai-Linh Doan, Katerina Kouli, Carol Mahoney, Romain Hemelsdaël, Richard E. Ll. Collier, Paula Diz, Georgios Michas, Marco Maffione, Aleksandra Cvetkoska, Abah P. Omale, Marcie Purkey Phillips, Jeremy D. Everest, Joana Seguin, Mary Ford, Erwan Le Ber
Přispěvatelé: University of Southampton, Lamont-Doherty Earth Observatory (LDEO), Columbia University [New York], British Geological Survey (BGS), University of Bergen (UiB), Rice University [Houston], University of Texas at Austin [Austin], University of Leeds, Justus-Liebig-Universität Gießen (JLU), Institut de Physique du Globe de Paris (IPGP), Institut national des sciences de l'Univers (INSU - CNRS)-IPG PARIS-Université Paris Diderot - Paris 7 (UPD7)-Université de La Réunion (UR)-Centre National de la Recherche Scientifique (CNRS), Universidade de Vigo, Institut des Sciences de la Terre (ISTerre), Institut Français des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux (IFSTTAR)-Institut national des sciences de l'Univers (INSU - CNRS)-Institut de recherche pour le développement [IRD] : UR219-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Centre de Recherches Pétrographiques et Géochimiques (CRPG), Université de Lorraine (UL)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), University of Patras [Patras], University of Adelaide, Géosciences Montpellier, Institut national des sciences de l'Univers (INSU - CNRS)-Université de Montpellier (UM)-Université des Antilles (UA)-Centre National de la Recherche Scientifique (CNRS), Hawaii Institute of Geophysics and Planetology (HIGP), University of Hawai‘i [Mānoa] (UHM), Université d'Hyderabad, Instituto de Geociências [São Paulo], Universidade de São Paulo (USP), National and Kapodistrian University of Athens (NKUA), University of Leicester, China University of Geosciences [Beijing], University of Birmingham [Birmingham], Technological Educational Institute of Crete, Christian-Albrechts-Universität zu Kiel (CAU), Louisiana State University (LSU), University of Cologne, Unité de recherche Géosciences Marines (Ifremer) (GM), Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER), Central Michigan University (CMU), British Geological Survey [Edinburgh], Centre National de la Recherche Scientifique (CNRS)-Université de La Réunion (UR)-Université Paris Diderot - Paris 7 (UPD7)-IPG PARIS-Institut national des sciences de l'Univers (INSU - CNRS), Centre National de la Recherche Scientifique (CNRS)-Université des Antilles (UA)-Université de Montpellier (UM)-Institut national des sciences de l'Univers (INSU - CNRS), Justus-Liebig-Universität Gießen = Justus Liebig University (JLU), Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Université de La Réunion (UR)-Institut de Physique du Globe de Paris (IPG Paris)-Centre National de la Recherche Scientifique (CNRS), Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), University of Patras, Institut national des sciences de l'Univers (INSU - CNRS)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Université des Antilles (UA), Universidade de São Paulo = University of São Paulo (USP), Géosciences Marines (GM), University of Bergen (UIB), Universidate de Vigo, Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-PRES Université de Grenoble-Institut de recherche pour le développement [IRD] : UR219-Institut national des sciences de l'Univers (INSU - CNRS)-Institut Français des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux (IFSTTAR)-Université Joseph Fourier - Grenoble 1 (UJF), Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), National and Kapodistrian University of Athens = University of Athens (NKUA | UoA)
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Scientific Reports
Scientific Reports, Nature Publishing Group, 2019, 9 (1), ⟨10.1038/s41598-019-40022-w⟩
Scientific Reports, Vol 9, Iss 1, Pp 1-11 (2019)
Scientific Reports, 2019, 9 (1), pp.3116. ⟨10.1038/s41598-019-40022-w⟩
Scientific Reports (2045-2322) (Nature Publishing Group), 2019-02, Vol. 9, N. 3116, P. 11p.
ISSN: 2045-2322
Popis: Young rifts are shaped by combined tectonic and surface processes and climate, yet few records exist to evaluate the interplay of these processes over an extended period of early rift-basin development. Here, we present the longest and highest resolution record of sediment flux and paleoenvironmental changes when a young rift connects to the global oceans. New results from International Ocean Discovery Program (IODP) Expedition 381 in the Corinth Rift show 10s–100s of kyr cyclic variations in basin paleoenvironment as eustatic sea level fluctuated with respect to sills bounding this semi-isolated basin, and reveal substantial corresponding changes in the volume and character of sediment delivered into the rift. During interglacials, when the basin was marine, sedimentation rates were lower (excepting the Holocene), and bioturbation and organic carbon concentration higher. During glacials, the basin was isolated from the ocean, and sedimentation rates were higher (~2–7 times those in interglacials). We infer that reduced vegetation cover during glacials drove higher sediment flux from the rift flanks. These orbital-timescale changes in rate and type of basin infill will likely influence early rift sedimentary and faulting processes, potentially including syn-rift stratigraphy, sediment burial rates, and organic carbon flux and preservation on deep continental margins worldwide. 19 April 2019 A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has not been fixed in the paper.
Databáze: OpenAIRE
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