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Book Chapter

Allochthonous Carbonates of the Getaway Limestone, Upper Permian of the Delaware Basin

By
Paul M. Harris
Paul M. Harris
Gulf Research and Development Company, Box 37048, Houston, Texas 77236
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William D. Wiggins
William D. Wiggins
Gulf Research and Development Company, Box 37048, Houston, Texas 77236
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Published:
January 01, 1985

Abstract

Conventional cores from a well about 4-5 km southwest of the El Capitan peak of the Guadalupe Mountains contain a variety of alloch-thonous carbonates interbedded with siliciclastics. These samples of the Getaway tongue of the Cherry Canyon Formation contain lithoclasts, skeletal sands, and whole shallow water fossils in a variable matrix of lime mudstone, siltstone, and sandstone. These components are mixed in varying proportions to yield floatstones, rudstones, grainstones, and packstones. The depositional environment for these lithologies is interpreted based on their geometries in the field and petrographic features to be channelized debris flow and other gravity flow carbonates. The sediments were derived from and behind a shelf edge, which was situated approximately 10 km to the west of the well site, and accumulated on a gently sloping basin margin. The allochthonous basinal carbonates studied in core occur in a distal position relative to toe-of-slope deposits that outcrop in the Guadalupe Mountains. Core examples contain thinner and finer grained limestone debris beds versus thick bedded, extremely coarse debris dolomites in outcrop.

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Contents

SEPM Core Workshop Notes

Deep-Water Carbonates: Buildups, Turbidites, Debris Flows and Chalks—A Core Workshop

Paul D. Crevello
Paul D. Crevello
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Paul M. Harris
Paul M. Harris
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SEPM Society for Sedimentary Geology
Volume
6
ISBN electronic:
9781565762619
Publication date:
January 01, 1985

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