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Book Chapter

Cyclic Sedimentation Patterns in the Middle and Upper Ordovician Trenton Group of Central Pennsylvania

By
Mary Anne Gardiner-Kuserk
Mary Anne Gardiner-Kuserk
University of Delaware Currently with the New Jersey Department of Environmental Protection Division of Water Resources
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Published:
January 01, 1988

Abstract

The carbonate facies of the Middle and Upper Ordovician of Central Pennsylvania show repetitive sequences of micrite, bioclastic limestone and siliciclastic shale. Five repetitive patterns based on sedimentologic and paleontologic data are present. These sequences are a result of storm deposition, as indicated by shell and intraclastic lags, fining upward trends, abrupt contacts between the beds, and the multidirectional sole marks. The series of sequences is a result of the decreasing effects of these storms on the deepening carbonate platform-ramp during the Middle and Late Ordovician.

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Contents

AAPG Studies in Geology

The Trenton Group (Upper Ordovician Series) of Eastern North America: Deposition, Diagenesis, and Petroleum

Brain D. Keith
Brain D. Keith
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American Association of Petroleum Geologists
Volume
29
ISBN electronic:
9781629811352
Publication date:
January 01, 1988

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