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Middle and Late Ordovician Shelf Activation and Foredeep Evolution, Central Appalachian Orogen

Gary G. Lash
Gary G. Lash
Department of Geosciences State University College Fredonia, New York
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January 01, 1988


Early Paleozoic foredeep evolution in the central Appalachian orogen can be described in terms of five stages: (1) Stable Shelf, (2) Initial Uplift of Shelf, (3) Shelf Exposure, (4) Collapse of Peripheral Bulge, and (5) Basin Fill. In addition, strike-parallel variations in central Appalachian foredeep stratigraphy reflect collision along the irregular, early Paleozoic North American continental margin.

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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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