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  3. Photomicrograph showing small round garnet crystals (black) in a microcline-bearing light-colored band in the course-grained gneiss. Clearwater County, Idaho. circa 1950.

Photomicrograph showing small round garnet crystals (black) in a microcline-bearing light-colored band in the course-grained gneiss. Clearwater County, Idaho. circa 1950.

Dates

Date Taken
1950

Summary

Album caption: Photomicrograph showing small round garnet crystals (black) in a microcline-bearing light-colored band in the course-grained gneiss. Just north of locality 428. pla-plagioclase; mi-microline; qu-quartz. crossed nicols. Clearwater County, Idaho. c. 1950. Published as figure 61B in U.S. Geological Survey. Professional paper 344-A. 1962.

Contacts

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

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ham00053.jpg thumbnail 723.29 KB image/jpeg
ham00053.tif 12.33 MB image/geotiff

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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