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Geology and Hydrogeology of the Teays-Mahomet Bedrock

Geology and Hydrogeology of the Teays-Mahomet Bedrock

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Full Title: Geology and Hydrogeology of the Teays-Mahomet Bedrock Valley System

Editors: Wilton N. Melhorn and John P. Kempton


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The Teays-Mahomet system has been the classic prototype of major "preglacial" or "buried" valleys. The Teays section south of the glacial border in Ohio was identified and named in 1903. Other presumed linkages or segments beneath glacial drift were identified later, and finally, in the 1940s, the continuity of the system across West Virginia, Ohio, Indiana, and Illinois, emptying into the ancient Mississippi River, was established. This interpretation remained unchallenged until studies reported in this volume began raising important questions. The papers contained in this volume collectively support the following contentions: (1) the classic preglacial "Teays" likely did flow to the present Erie lowland; (2) a western "Mahomet" valley developed independently across Illinois during the pre-Illinoian; and (3) the linkage of these two ancestral systems was accomplished during glacial times by a series of episodic diversions. The hydrogeologic framework described provides insight into the value of the contained groundwater resources.

[ Table of Contents ]

Published: 8/02/1991

ISBN Number: 0813722586

Pages: 128

Product Category: Special Papers