Tectono-climatic controls of the early rift alluvial succession: Plio-Pleistocene Corinth Rift (Greece)

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

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Tectono-climatic controls of the early rift alluvial succession: Plio-Pleistocene Corinth Rift (Greece). / Hemelsdaël, Romain; Charreau, Julien; Ford, Mary et al.
in: Palaeogeography, Palaeoclimatology, Palaeoecology, Jahrgang 576, 110507, 15.08.2021.

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

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Hemelsdaël R, Charreau J, Ford M, Sekar Proborukmi M, Malartre F, Urban B et al. Tectono-climatic controls of the early rift alluvial succession: Plio-Pleistocene Corinth Rift (Greece). Palaeogeography, Palaeoclimatology, Palaeoecology. 2021 Aug 15;576:110507. Epub 2021 Jun 2. doi: 10.1016/j.palaeo.2021.110507

Bibtex

@article{7d83d110bfc24313a45ee12f3c167026,
title = "Tectono-climatic controls of the early rift alluvial succession: Plio-Pleistocene Corinth Rift (Greece)",
abstract = "Proximal alluvial sediments represent a useful sedimentary archive to reconstruct the tectono-climatic history of continental rift basins. However, poor dating of coarse fluvial successions usually prevents high-resolution distinction of tectonic and climatic processes, and thus good determination of process rates. This paper presents a dating study of Plio-Pleistocene Kalavryta river system during the early history of the Corinth Rift (northern Peloponnese, Greece) based on magnetostratigraphy and palynology. This river system developed across several active normal fault blocks that are now uplifted along the southern rift margin. The detailed sedimentary record constrains alluvial architectures from the proximal basin to the river outlet where small deltas built into a shallow lake. In four magnetostratigraphy sections the correlation to the reference scale relies on the identification of the Gauss/Matuyama magnetic reversal and biostratigraphic elements. The river system developed between about 3.6 to 1.8 Ma, with sediment accumulation rates (SARs) ranging from 0.40 to 0.75 mm yr−1. SAR is lower in the alluvial fans than in the deltaic system, and higher at the centre of the normal fault depocentres than at the fault tip. By comparison with worldwide Cenozoic SARs, our values are higher but lie in the same range as those determined in coarse alluvial foreland basins. Moreover, in the context of overfilled intra-mountainous rift basins, these rates are minimum values and can be used as a proxy for accommodation rate. Therefore, early rift stratal wedges and growth synclines attest high sedimentation rates and also high rates of tectonic processes. Finally, in the distal river system, floral compositions and changes of vegetation deduced from palynological data are coherent with alternating fluvio-deltaic and shallow lacustrine deposits, which are linked to relative base level variations. Dry/cool climate is preferentially recorded during periods of low lake level, while the warm/moist climate is mainly recorded in prodelta deposits during periods of high lake level. This correlation suggests that, despite the dominant control of active faulting, climate is a key control of syn-rift stratigraphic architectures.",
keywords = "Ecosystems Research, early rifting, antecedent drainage, alluvial sediments, magnetostratigraphy, sediment accumulation rate, Palynology, Vegetation cycle",
author = "Romain Hemelsda{\"e}l and Julien Charreau and Mary Ford and {Sekar Proborukmi}, Maria and Fabrice Malartre and Brigitte Urban and Pierre-Henri Blard",
note = "This project was funded by a bursary from the French Ministry of Research and Higher Education . Fieldwork was funded by an OTELO grant (local geoscience research consortium for the Universit{\'e} de Lorraine, France) obtained in 2013. Sevket Sen (Museum National d'Histoire Naturelle of Paris) is greatly acknowledged for the description and recognition of the mammal teeth and charophytes. We thank Sophie Leleu and an anonymous reviews for their constructive reviews and support. CRPG publication 2750. Publisher Copyright: {\textcopyright} 2021 Elsevier B.V.",
year = "2021",
month = aug,
day = "15",
doi = "10.1016/j.palaeo.2021.110507",
language = "English",
volume = "576",
journal = "Palaeogeography, Palaeoclimatology, Palaeoecology",
issn = "0031-0182",
publisher = "Elsevier B.V.",

}

RIS

TY - JOUR

T1 - Tectono-climatic controls of the early rift alluvial succession

T2 - Plio-Pleistocene Corinth Rift (Greece)

AU - Hemelsdaël, Romain

AU - Charreau, Julien

AU - Ford, Mary

AU - Sekar Proborukmi, Maria

AU - Malartre, Fabrice

AU - Urban, Brigitte

AU - Blard, Pierre-Henri

N1 - This project was funded by a bursary from the French Ministry of Research and Higher Education . Fieldwork was funded by an OTELO grant (local geoscience research consortium for the Université de Lorraine, France) obtained in 2013. Sevket Sen (Museum National d'Histoire Naturelle of Paris) is greatly acknowledged for the description and recognition of the mammal teeth and charophytes. We thank Sophie Leleu and an anonymous reviews for their constructive reviews and support. CRPG publication 2750. Publisher Copyright: © 2021 Elsevier B.V.

PY - 2021/8/15

Y1 - 2021/8/15

N2 - Proximal alluvial sediments represent a useful sedimentary archive to reconstruct the tectono-climatic history of continental rift basins. However, poor dating of coarse fluvial successions usually prevents high-resolution distinction of tectonic and climatic processes, and thus good determination of process rates. This paper presents a dating study of Plio-Pleistocene Kalavryta river system during the early history of the Corinth Rift (northern Peloponnese, Greece) based on magnetostratigraphy and palynology. This river system developed across several active normal fault blocks that are now uplifted along the southern rift margin. The detailed sedimentary record constrains alluvial architectures from the proximal basin to the river outlet where small deltas built into a shallow lake. In four magnetostratigraphy sections the correlation to the reference scale relies on the identification of the Gauss/Matuyama magnetic reversal and biostratigraphic elements. The river system developed between about 3.6 to 1.8 Ma, with sediment accumulation rates (SARs) ranging from 0.40 to 0.75 mm yr−1. SAR is lower in the alluvial fans than in the deltaic system, and higher at the centre of the normal fault depocentres than at the fault tip. By comparison with worldwide Cenozoic SARs, our values are higher but lie in the same range as those determined in coarse alluvial foreland basins. Moreover, in the context of overfilled intra-mountainous rift basins, these rates are minimum values and can be used as a proxy for accommodation rate. Therefore, early rift stratal wedges and growth synclines attest high sedimentation rates and also high rates of tectonic processes. Finally, in the distal river system, floral compositions and changes of vegetation deduced from palynological data are coherent with alternating fluvio-deltaic and shallow lacustrine deposits, which are linked to relative base level variations. Dry/cool climate is preferentially recorded during periods of low lake level, while the warm/moist climate is mainly recorded in prodelta deposits during periods of high lake level. This correlation suggests that, despite the dominant control of active faulting, climate is a key control of syn-rift stratigraphic architectures.

AB - Proximal alluvial sediments represent a useful sedimentary archive to reconstruct the tectono-climatic history of continental rift basins. However, poor dating of coarse fluvial successions usually prevents high-resolution distinction of tectonic and climatic processes, and thus good determination of process rates. This paper presents a dating study of Plio-Pleistocene Kalavryta river system during the early history of the Corinth Rift (northern Peloponnese, Greece) based on magnetostratigraphy and palynology. This river system developed across several active normal fault blocks that are now uplifted along the southern rift margin. The detailed sedimentary record constrains alluvial architectures from the proximal basin to the river outlet where small deltas built into a shallow lake. In four magnetostratigraphy sections the correlation to the reference scale relies on the identification of the Gauss/Matuyama magnetic reversal and biostratigraphic elements. The river system developed between about 3.6 to 1.8 Ma, with sediment accumulation rates (SARs) ranging from 0.40 to 0.75 mm yr−1. SAR is lower in the alluvial fans than in the deltaic system, and higher at the centre of the normal fault depocentres than at the fault tip. By comparison with worldwide Cenozoic SARs, our values are higher but lie in the same range as those determined in coarse alluvial foreland basins. Moreover, in the context of overfilled intra-mountainous rift basins, these rates are minimum values and can be used as a proxy for accommodation rate. Therefore, early rift stratal wedges and growth synclines attest high sedimentation rates and also high rates of tectonic processes. Finally, in the distal river system, floral compositions and changes of vegetation deduced from palynological data are coherent with alternating fluvio-deltaic and shallow lacustrine deposits, which are linked to relative base level variations. Dry/cool climate is preferentially recorded during periods of low lake level, while the warm/moist climate is mainly recorded in prodelta deposits during periods of high lake level. This correlation suggests that, despite the dominant control of active faulting, climate is a key control of syn-rift stratigraphic architectures.

KW - Ecosystems Research

KW - early rifting

KW - antecedent drainage

KW - alluvial sediments

KW - magnetostratigraphy

KW - sediment accumulation rate

KW - Palynology

KW - Vegetation cycle

UR - http://www.scopus.com/inward/record.url?scp=85111032199&partnerID=8YFLogxK

U2 - 10.1016/j.palaeo.2021.110507

DO - 10.1016/j.palaeo.2021.110507

M3 - Journal articles

VL - 576

JO - Palaeogeography, Palaeoclimatology, Palaeoecology

JF - Palaeogeography, Palaeoclimatology, Palaeoecology

SN - 0031-0182

M1 - 110507

ER -

DOI

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