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AAPG Bulletin

Abstract

AAPG Bulletin, V. 101, No. 4 (April 2017), P. 485-493.

Copyright ©2017. The American Association of Petroleum Geologists. All rights reserved.

DOI: 10.1306/011817DIG17027

Barremian platform carbonates from the eastern Vercors Massif, France: Organization of depositional geometries

Hubert Arnaud,1 Annie Arnaud-Vanneau,2 Alexis Godet,3 Thierry Adatte,4 and Gérard Massonnat

1Association Dolomieu, 18 Boulevard Maréchal Leclerc, F-38000 Grenoble, France; [email protected]
2Association Dolomieu, 18 Boulevard Maréchal Leclerc, F-38000 Grenoble, France; [email protected]
3Department of Geological Sciences, The University of Texas at San Antonio, 1 UTSA Circle, San Antonio, Texas 78249; [email protected]
4Institute of Earth Sciences, University of Lausanne, UNIL Quartier Mouline, CH-1015 Lausanne, Switzerland; [email protected]
5Centre Scientifique et Technique Jean Féger, Total S.A., Avenue Larribau F-64018 Pau, France, [email protected]

ABSTRACT

The Vercors Massif of southern France constitutes a world-class and unique opportunity to visualize depositional geometries and diagenetic transformations of a Barremian–early Aptian (early Cretaceous) carbonate system, the Urgonian platform, at a seismic scale and thus to constrain the three-dimensional continuity and connectivity of reservoir-prone facies deposited during periods of high and low sea level. The integration of detailed outcrop analysis, including diagenetic transformations, with the sequence stratigraphic interpretation of cliff provides opportunities to study the precise relationship between sea level changes and facies distribution, including reservoir-prone examples such as slope and fan deposits, to understand how local tectonics affect accommodation space and effects on sedimentation rates. This integrated stratigraphic framework developed at surface conditions provides an analog for major petroleum systems of the Middle East where platform carbonates are involved, such as the Aptian Shu’aiba or the Cenomanian–Turonian Mishrif Formation.

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