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Book Chapter

Thermal History of the Michigan Basin from Apatite Fission-Track Analysis and Vitrinite Reflectance

By
Herbert F. Wang
Herbert F. Wang
University of Wisconsin—Madison Madison, Wisconsin, U.S.A.
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Kevin D. Crowley
Kevin D. Crowley
Miami University Oxford, Ohio, U.S.A.
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Gregory C. Nadon
Gregory C. Nadon
University of Wisconsin—Madison Madison, Wisconsin, U.S.A.
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Published:
January 01, 1994

Abstract

Kinetic models for apatite fission-track annealing and vitrinite maturation were used to examine hypotheses for the burial and thermal history of the Michigan basin. Fission-track ages between 160 and 200 Ma were measured for Carboniferous outcrop samples (>300 Ma) near Saginaw Bay. Published vitrinite reflectance and conodont alteration data from the Michigan basin are higher than predicted from current depths and temperatures for the samples. Both sets of data are broadly consistent with elevated temperatures due to additional burial at present geothermal gradients. The depth of additional burial varies systematically from less than 1 km in the basin center to more than 2 km near the adjacent arches. The additional burial could explain the occurrence of diagenetic banding in portions of the St. Peter Sandstone that are currently at depths shallower than the critical window for this phenomenon.

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Contents

AAPG Memoir

Basin Compartments and Seals

Peter J. Ortoleva
Peter J. Ortoleva
Department of Chemistry Indiana University Bloomington, Indiana
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American Association of Petroleum Geologists
Volume
61
ISBN electronic:
9781629810935
Publication date:
January 01, 1994

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