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The Messinian Reef Complex of Melilla, Northeastern Rif, Morocco

By
Jean-Paul Saint Martin
Jean-Paul Saint Martin
CNRS URA 1208, Centre de Sédimentologie/Paléontologie, Université de Provence, 13331 Marseille Cedex 03, France
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Jean-Jacques Cornée
Jean-Jacques Cornée
CNRS URA 1208, Centre de Sédimentologie/Paléontologie, Université de Provence, 13331 Marseille Cedex 03, France
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Published:
January 01, 1996

Abstract:

The Messinian Melilla carbonate platform is composed of five main sedimentary units, from bottom to top: 1) a retrograding marly and conglomeratic unit, 2) a complex conglomeratic then prograding/aggrading carbonate unit, 3) a prograding/aggrading reef-complex unit, 4) an aggrading siliciclastic unit and 5) an aggrading/retrograding siliciclastic and carbonate unit. The platform developed throughout high-frequency relative sea-level rises and Stillstands, and relative sea-level drops are of minor importance. The reef complex mainly contains Porites buildups that exhibit southward progradational geometries. At the base, the reef complex developed on a marine planation surface. The youngest reefs show aggradational geometries and are associated with oolitic deposits. Cross sections constructed by removing late Messinian tectonics and compaction suggest that there was no significant relative fall in sea level during both platform and coral reef development, except at the end of the platform development.

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Contents

SEPM Concepts in Sedimentology and Paleontology

Models for Carbonate Stratigraphy from Miocene Reef Complexes of Mediterranean Regions

Evan K. Franseen
Evan K. Franseen
Kansas Geological Survey, University of Kansas, Lawrence, Kansas
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Mateu Esteban
Mateu Esteban
Carbonates International Ltd, Esporles, Mallorca, Spain
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William C. Ward
William C. Ward
Department of Geology and Geophysics, University of New Orleans, Louisiana
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Jean-Marie Rouchy
Jean-Marie Rouchy
Laboratoire de Geologie, Museum National D'Histoire Naturelle, Paris, France
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SEPM Society for Sedimentary Geology
Volume
5
ISBN electronic:
9781565762282
Publication date:
January 01, 1996

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