Document Type

Research

Abstract

Cone-in-cone is a term which has been applied more or less widely to a peculiar structure often found in beds of shale. Ordinarily it appears in thin sheets or layers, from three to six inches in thickness. The bands have a more or less well marked columnar structure, each column being about half an inch in diameter and composed of a series of small conical segments set one within another. In general appearance fragments resemble the familiar coral Lithostrotion.

Publication Date

1895

Journal Title

Proceedings of the Iowa Academy of Sciences

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Issue

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Last Page

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File Format

application/pdf

Recommended Citation

Keyes, Charles R. (1895) "Note on the Nature of Cone-in-Cone," Proceedings of the Iowa Academy of Science, 3(1), 75-76.
Available at: https://scholarworks.uni.edu/pias/vol3/iss1/21

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Note on the Nature of Cone-in-Cone

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