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An Aptian–Albian Shelf Ramp, Arizona and Sonora

By
R. W. Scott
R. W. Scott
Amoco Production Company Tulsa, Oklahoma, U.S.A.
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E. R. Warzeski
E. R. Warzeski
University of Miami RSMAS Miami, Florida, U.S.A.
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Published:
January 01, 1993

Abstract

Name: Mural carbonate shelf

Authors: R. W. Scott and E. R. Warzeski

Location: From 109° to 110° 30° west longitude and 31° to 32° north latitude, Arizona and Sonora

Geologic time interval: Early Cretaceous, Barremian–Albian

Tectonic-sedimentary setting: Back-arc basin evolved from a Jurassic thermotectonic rift basin

Basin type: Epeiric shelf

Paleoclimate: Generally humid, semitropical

Platform type: Ramp

Platform geometry: 240 m thick; at least 55 km wide; approximately 800 km long

Facies and fossils: Fine to coarse carbonates, minor amounts of shale and sandstone; pelagic and benthic foraminifers, algae, molluscs, and corals

Systems tracts: Transgressive, aggradational to progradational composed of lacustrine, fluvial, deltaic, lagoon, shelf margin, and basinal depositional systems

Stacking patterns: Progradational simple sigmoid parasequences

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Figures & Tables

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

GeoRef

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