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Small-Scale Structures in the Coconino Sandstone of Northern Arizona

Edwin D. McKee
The Journal of Geology
Vol. 53, No. 5 (Sep., 1945), pp. 313-325
Stable URL: http://www.jstor.org/stable/30056678
Page Count: 13
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Small-Scale Structures in the Coconino Sandstone of Northern Arizona
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Abstract

Small-scale structures, including ripple marks, slump marks of two types, and rain patches, occur locally on the surfaces of steeply dipping laminae in the eolian Coconino sandstone. These surface features are described and analyzed. Comparisons are made between them and similar structures observed in the modern dunes of the Navajo country. Most of these structures were reproduced experimentally in a wind tunnel and sand box, where controlled conditions made possible a determination of factors involved.

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