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Document Type

Research

Abstract

The Devonian System, in Iowa, is exposed in a belt about 50 miles wide extending along a line from Mason City to Muscatine. With the exception of the Shell Rock Formation the Upper Devonian is essentially elastic, dominantly shale. The Middle Devonian is dominantly carbonate, and the lower Devonian, known only from subsurface, appears to be dominantly chert with minor amounts of carbonate (Parker, 1967).

Publication Date

1970

Journal Title

Proceedings of the Iowa Academy of Science

Volume

77

Issue

1

First Page

257

Last Page

265

Copyright

© Copyright 1970 by the Iowa Academy of Science, Inc.

Language

EN

File Format

application/pdf

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