Deep‐water sediment transport patterns and basin floor topography in early rift basins: Plio‐Pleistocene syn‐rift of the Corinth Rift, Greece

Muravchik, Martín; Henstra, Gijs A.; Eliassen, Gauti; Gawthorpe, Rob L.; Leeder, M. R.; Kranis, Haralambos; Skourtsos, Emmanuel; Andrews, Julian E.

doi:10.1111/bre.12423

Cited by 17 publications

(11 citation statements)

References 87 publications

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“…Examples of hinterland drainage sourcing major syn‐rift gravity flow depositional systems include the Gulf of Suez (e.g. Pivnik et al., 2003), the Gulf of Corinth (Cullen et al., 2019; Ford et al., 2017; Gawthorpe et al., 2018; Muravchik et al., 2019) and the East African Rift System (Scholz et al., 1990; Zhang & Scholz, 2015; Zhang et al., 2014). Our observations from the eastern flank of the Northern Viking Graben further highlight the importance of major hinterland drainage as sources for volumetrically significant syn‐rift gravity flow systems.…”

Section: Discussion – Implications For Sedimentation In Deep‐water Rift Basinsmentioning

confidence: 99%

Syn‐rift sediment gravity flow deposition on a Late Jurassic fault‐terraced slope, northern North Sea

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Section: Discussion – Implications For Sedimentation In Deep‐water Rift Basinsmentioning

confidence: 99%

Syn‐rift sediment gravity flow deposition on a Late Jurassic fault‐terraced slope, northern North Sea

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“…In the study area (Figure 1), the uppermost pre-rift stratigraphy is represented by a ∼1.3 km thick succession of Mesozoic carbonates and Cenozoic siliciclastics arranged in ∼N-Sstriking, west-verging thrust sheets related to the Hellanide thrust belt (Piper, 2006;Skourtsos and Kranis, 2009;Ford et al, 2013;Skourtsos et al, 2016;Gawthorpe et al, 2018). Gawthorpe et al (2018) subdivided the syn-rift stratigraphy of the southern margin into two main phases: 1) Rift 1, 5.0-3.6 to 2.2-1.8 Ma, within dispersed, localised depocentres filled by early syn-rift alluvial and fluvial deposits, with a younger Gilbert-type fan delta and deep-water component, and 2) Rift 2, 2.2-1.8 Ma to the present day, which comprises localised, but partially connected, depocentres with Gilbert-type fan deltas and associated deep-water deposits (Collier and Dart, 1991;Rohais et al, 2008;Backert et al, 2010;Gobo et al, 2014;Gawthorpe et al, 2018;Muravchik et al, 2018;Barrett et al, 2019;Cullen et al, 2020;Muravchik et al, 2020). The Rethi-Dendro Formation (RDF- Leeder et al, 2012) of the Rift 2 phase is exposed in the West Xylokastro Fault Block (WXFB) on the southern margin of the Gulf of Corinth (Figure 1).…”

Section: Geological Settingmentioning

confidence: 99%

Deep-Water Syn-rift Stratigraphy as Archives of Early-Mid Pleistocene Palaeoenvironmental Signals and Controls on Sediment Delivery

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The timing and character of coarse siliciclastic sediment delivered to deep-water environments in active rift basins is governed by the complicated interactions of tectonics, climate, eustasy, hinterland geology, and shelf process regime. The stratigraphic archives of deep-water syn-rift basin-fills provide records of palaeoenvironmental changes (e.g. climate and vegetation) in onshore catchments, particularly where they are connected by narrow shelves. However, a chronostratigraphically constrained record of climatic fluctuations and process responses in the hinterland source area recorded in deep-water deposits is rare. Here, we integrate a fully cored research borehole with outcrop exposures of deep-water syn-rift stratigraphy to reconstruct palaeoenvironmental change within the stratigraphy of the West Xylokastro Fault Block in the Corinth Rift, Greece. We used palaeomagnetic and palynological analyses from borehole core samples to develop a chronostratigraphic and palaeoenvironmental model, which we compare to global records of Early-Mid Pleistocene climate and eustatic change. This framework allows establishment of a chronostratigraphic and palaeoenvironmental context to stratigraphic variability encountered in outcrop and in the borehole. Our results show that the ∼240 m thick studied succession was deposited from ∼1.1 to 0.6 Ma across the Early-to Mid-Pleistocene transition. During the Early Pleistocene, obliquity-paced climatic variability is largely coherent with vegetation changes of forest coverage within catchments on the southern margin of the Corinth Rift. Large magnitude, eccentricity-paced cyclicity dominant after the Mid-Pleistocene Transition can alter sediment supply from onshore catchments during the warming stages of severe interglacials where expansion of forest cover may trap sediment within catchments. Conglomeratic grade sediment delivery to the deep-water is enhanced during glacial periods, interpreted to reflect sparse forest cover and large winter storms, and during semi-arid, grassland-dominated interglacial highstands during severe interglacials. Base-level rise during minor interglacials is easily outpaced by high sediment supply and is seldom represented stratigraphically. The study demonstrates the value of integrated palynological and sedimentological studies, whilst applying a conservative approach to interpretation when dealing with sparse palynological records from proximal deep-water stratigraphy. The case study provides conceptual models where climatic and vegetation changes can begin to be incorporated as a key control on sediment flux from onshore drainage basins to deep-water syn-rift successions.

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“…The evolving physiographic configurations and sediment routing patterns of deep‐water systems in rift basins are characterized by the decreasing influence of syn‐rift structures through time (Hadlari et al., 2016; McArthur et al., 2016; Muravchik et al., 2020). Syn‐ to post‐rift tectono‐stratigraphic models emphasize limited thickness and facies variations across structures in a late post‐rift setting (Hadlari et al., 2016; Leinfelder, Wilson, & Chris 1998; Prosser, 1993).…”

Section: Introductionmentioning

confidence: 99%

Mixed axial and transverse deep‐water systems: The Cretaceous post‐rift Lysing Formation, offshore Norway

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Deep‐water sediment transport patterns and basin floor topography in early rift basins: Plio‐Pleistocene syn‐rift of the Corinth Rift, Greece

Abstract: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 17 publications

References 87 publications

Syn‐rift sediment gravity flow deposition on a Late Jurassic fault‐terraced slope, northern North Sea

Syn‐rift sediment gravity flow deposition on a Late Jurassic fault‐terraced slope, northern North Sea

Deep-Water Syn-rift Stratigraphy as Archives of Early-Mid Pleistocene Palaeoenvironmental Signals and Controls on Sediment Delivery

Mixed axial and transverse deep‐water systems: The Cretaceous post‐rift Lysing Formation, offshore Norway

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