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The AAPG/Datapages Combined Publications Database

AAPG Bulletin

Abstract


Volume: 67 (1983)

Issue: 9. (September)

First Page: 1457

Last Page: 1457

Title: Petroleum Geology of Macoupin County, Illinois: ABSTRACT

Author(s): Halsey W. Miller

Article Type: Meeting abstract

Abstract:

The Carlinville oil field is located along the upper flexure of a monocline and is not associated with an anticline or domes as previously described. West of the monocline, minor accumulations of petroleum occur in stratigraphic traps in Pennsylvanian sandstones that are organic matter-enriched. The oil is "heavy," may be relatively immature, and may have formed in the sediments in which it occurs. Significant oil shows also occur in oolites of the Ste. Genevieve Formation.

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Copyright 1997 American Association of Petroleum Geologists