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Valanginian–Early Aptian Carbonate Platforms from Provence, Southeastern France

By
Jean-Pierre Masse
Jean-Pierre Masse
Centre de Sedimentologie et Paleontologie Universite de Provence Marseille, France
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Published:
January 01, 1993

Abstract

Name: Urgonian limestones

Author: Jean-Pierre Masse

Location: From 43° to 44° north latitude and at 5° east longitude, Provence, southeastern France

Geologic time interval: Early Cretaceous, Valanginian-early Aptian

Tectonic-sedimentary setting: Passive trailing margin stage of the Alpine basin

Basin type: Epeiric shelf margin to oceanic basin

Paleoclimate: Generally humid, semitropical, possibly arid phases during the Barremian

Platform type: Isolated (epicontinental), flat, gently sloping toward the basin

Platform geometry: 200 to 400 m thick; up to 100 km wide and total length more than 1000 km (from Spain to Switzerland)

Facies and fossils: Littoral: stromatolites and mudstones to pelleted and oolitic grainstone. Inner platform: rudist assemblages in packstone–wackestone or fine-grained pelleted grainstone. Outer platfom: well-sorted cross-bedded sandstone and coral beds. Outer shelf: bivalve-echinoid argillaceous carbonates and calcisponge–bryozoan packstone and wackestone.

Systems tracts: Inter- to supratidal marginal-littoral; fine-grained subtidal carbonates with isolated rudist inner platfoms; coarse-grained subtidal carbonate sandstones and coral bed outer platforms; argillaceous carbonate outer shelf systems.

Stacking pattern: Three main stages of platform growth and progradation interrupted by drowning of the platform.

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Contents

AAPG Memoir

Cretaceous Carbonate Platforms

J. A. Toni Simo
J. A. Toni Simo
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Robert W. Scott
Robert W. Scott
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Jean-Pierre Masse
Jean-Pierre Masse
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American Association of Petroleum Geologists
Volume
56
ISBN electronic:
9781629810973
Publication date:
January 01, 1993

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