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Photomicrograph of the rock shown in A. Clearwater County, Idaho. circa 1957.

Dates

Acquisition
1957

Summary

Album caption: Photomicrograph of the rock shown in A. Small plagioclase laths (pl) and biotite flakes (B) are included in anhedral grains of orthoclase (or) and quartz (Q). Crossed nicols. Clearwater county, Idaho. c. 1957. Published as figure 6B in U.S. Geological Survey. Professional paper 344-D. 1963.

Contacts

Data Owner :
U.S. Geological Survey
Photographer :
Hietanen, Anna Martta

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ham00010.jpg thumbnail 1.36 MB
ham00010.tif 29.08 MB

Material Request Instructions

Available in the U.S. Geological Survey Denver Library Photographic Collection, Hietanen, A.M. Collection.

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This USGS product is considered to be in the U.S. public domain. For further information on the USGS Information Policies and Instructions, refer to the Copyrights and Credits section on this web page: http://www.usgs.gov/laws/info_policies.html
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