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Article

Sedimentation of the Kimmeridge Clay Formation in the Cleveland Basin (Yorkshire, UK)

1
Department of Earth Sciences, Durham University, South Road, Durham DH1 3LE, UK
2
BP, Chertsey Rd, Sunbury-on-Thames, Middlesex TW16 7LN, UK
3
IFP Energies nouvelles, 1 et 4 Avenue de Bois-Préau, 92500 Rueil-Malmaison, France
4
School of Earth and Environment, University of Leeds, Leeds LS2 9JT, UK
5
Lyell Centre, Heriot-Watt University, Edinburgh EH14 4AS, UK
*
Author to whom correspondence should be addressed.
Minerals 2020, 10(11), 977; https://doi.org/10.3390/min10110977
Received: 27 September 2020 / Revised: 28 October 2020 / Accepted: 29 October 2020 / Published: 2 November 2020
(This article belongs to the Special Issue Characterisation of Mudrocks: Textures and Mineralogy)
Fine-grained sedimentary successions contain the most detailed record of past environmental conditions. High-resolution analyses of these successions yield important insights into sedimentary composition and depositional processes and are, therefore, required to contextualise and interpret geochemical data which are commonly used as palaeoclimate proxies. The Kimmeridge Clay Formation (KCF) is a 500 m-thick mudstone succession deposited throughout the North Sea in the Late Jurassic and records environmental conditions through this time. Here, we present petrographic analyses (on 36 thin sections) on a 50 m section of a KCF core from the Cleveland Basin (Yorkshire, UK) to investigate controls on sedimentation in this region during the Tithonian, Late Jurassic. Facies descriptions demonstrate that deposition took place in a hydrodynamically variable environment in which the sediment origins, sediment dispersal mechanisms, and redox conditions fluctuated on the scale of thousands of years. Petrographic analyses show that the sediment comprises marine (algal macerals, calcareous fossils), detrital (quartz, clay, feldspar), and diagenetic (dolomite and authigenic kaolinite) components and that several sediment dispersal mechanisms influenced deposition and facilitated both the supply and preservation of terrestrial and marine organic material. This work provides a framework for the interpretation of geochemical palaeoclimate proxies and reinforces the importance of looking at the rock when interpreting whole-rock geochemical data. View Full-Text
Keywords: mudstone; Kimmeridge Clay Formation; depositional environment; sedimentation mudstone; Kimmeridge Clay Formation; depositional environment; sedimentation
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MDPI and ACS Style

Atar, E.; Aplin, A.C.; Lamoureux-Var, V.; März, C.; Wagner, T. Sedimentation of the Kimmeridge Clay Formation in the Cleveland Basin (Yorkshire, UK). Minerals 2020, 10, 977. https://doi.org/10.3390/min10110977

AMA Style

Atar E, Aplin AC, Lamoureux-Var V, März C, Wagner T. Sedimentation of the Kimmeridge Clay Formation in the Cleveland Basin (Yorkshire, UK). Minerals. 2020; 10(11):977. https://doi.org/10.3390/min10110977

Chicago/Turabian Style

Atar, Elizabeth, Andrew C. Aplin, Violaine Lamoureux-Var, Christian März, and Thomas Wagner. 2020. "Sedimentation of the Kimmeridge Clay Formation in the Cleveland Basin (Yorkshire, UK)" Minerals 10, no. 11: 977. https://doi.org/10.3390/min10110977

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