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Carbonate Shelf, Central Louisiana

By
E.H. Phelps
E.H. Phelps
Shell Oil Company
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C.C. Roripaugh
C.C. Roripaugh
Shell Oil Company
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Published:
January 01, 1983

Abstract

A generalized stratigraphic section for NPRA is shown in Figures 3 and 4. For convenience in discussion, subdivision of the section into three sequences follows Grantz, Eittreim, and Dinter's (1979) adaption of Lerand's (1973) terminology defining the Franklinian, Ellesmerian, and Brookian sequences. The Franklinian sequence consists mainly of low-grade metamorphosed clastic sedimentary rocks with local granitic intrusive rocks. This sequence is considered basement for petroleum exploration. The Ellesmerian sequence includes the clastic and bioclastic sedimentary rocks derived from the northerly provenance terrane of Barrovia (Thilleur, 1973; Grantz and May, 1983) and deposited on the Arctic platform. The Brookian sequence includes the sedimentary rocks derived from a southerly provenance terrane near the site of the present Brooks Range and areas to the southwest. The base of the Ellesmerian sequence is clearly defined in the coastal plain and northern foothills areas, but in the axis of the Colville trough, the Ellesmerian and Brookian sequences probably intertongue in Jurassic to Neocomian time.

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Contents

AAPG Studies in Geology

Seismic Expression of Structural Styles: A Picture and Work Atlas. Volume 1–The Layered Earth, Volume 2–Tectonics Of Extensional Provinces, & Volume 3–Tectonics Of Compressional Provinces

A. W. Bally
A. W. Bally
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American Association of Petroleum Geologists
Volume
15
ISBN electronic:
9781629810188
Publication date:
January 01, 1983

GeoRef

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