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The AAPG/Datapages Combined Publications Database

AAPG Bulletin


Volume: 38 (1954)

Issue: 5. (May)

First Page: 946

Last Page: 946

Title: Williston Basin Paleozoic Unconformities: ABSTRACT

Author(s): W. S. McCabe

Article Type: Meeting abstract


The Williston basin is primarily a Paleozoic basin. Regional Paleozoic unconformities are present in the basin at the base of the following: Cambrian, Ordovician, Middle Devonian, Lower Mississippian, Middle Pennsylvanian, and Middle Permian. The unconformity at the base of the Mississippian is the most pronounced of the regional unconformities. Regional stratigraphic sections and isopach maps are used as illustrations.

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Copyright 1997 American Association of Petroleum Geologists