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Regional Facies of Upper Ordovician Series of Eastern North America

Brian D. Keith
Brian D. Keith
Indiana Geological Survey Bloomington, Indiana
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January 01, 1988


Regional facies for the Upper Ordovician Series (global classification) of eastern North America consist of clean (pure) carbonates, mixed carbonates and terrigenous clastics, shale, terrigenous clastics coarser than shale, and terrigenous clastics prograding over carbonates. The last facies is characteristic of the Upper Ordovician. Maps and cross sections for stages of the Upper Ordovician demonstrate the influence of regional tectonic events on the sedimentation pattern of these facies.

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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
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Publication date:
January 01, 1988




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