alexa Sequence stratigraphy and facies model of an incised valley fill: the Gironde Estuary, France
Agri and Aquaculture

Agri and Aquaculture

Journal of Marine Science: Research & Development

Author(s): HW Posamentier

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The Gironde estuary was formed by the Holocene drowning of a fluvial valley incised during the Wuerm global sea-level fall. A depositional sequence accumulated in the valley during the eustatic lowstand, the Holocene rise, and the post-Holocene highstand. The sequence comprises a diverse assemblage of lithofacies that can be grouped into lowstand, transgressive, and highstand systems tracts. The objective of this paper is to describe the facies and stratal architecture of this incised-valley fill, and to propose a sequence-stratigraphic model for incised-valley fills in this type of mixed tide- and wave-influenced coastal setting. this study is based on a compilation of the abundant core, borehole, and hydrological data published by a number of authors. The valley fills forms regionally elongated belts of channelized sandstones and are the subject of considerable interest because they furnish potentially important new hydrocarbon play concepts.

This article was published in J Sediment Ptrl and referenced in Journal of Marine Science: Research & Development

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