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Photomicrograph, basalt flow member, sample 9. California. n. d.

Summary

Album caption:Photomicrograph, basalt flow member, sample 9. Shows large (0.45- millimeter) pseudomorph of chlorophaeite and magnetite after olivine, with smaller pseudomorphs in lower half of view. Groundmass is composed of plagioclase microlites, granular augite, olivine, magnetite, and chlorophaeite. Plane polarized light. X 100. California. n. d. Published as figure 58 in U.S. Geological Survey. Professional paper 274-L. 1957.

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Data Owner :
U.S. Geological Survey
Photographer :
Yerkes, R.F.

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yrf00017.jpg thumbnail 607.44 KB image/jpeg
yrf00017.tif 4.65 MB image/geotiff

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Available in the U.S. Geological Survey Denver Library Photographic Collection, Yerkes, R.F. Collection.

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Photo Number https://www.sciencebase.gov/vocab/category/item/identifier yrf00017

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