Apophyses of galena cutting across sphalerite, Michigan-Snowbank mine. Summit County, Colorado. 1963.
Dates
Date Taken
1963
Summary
Photomicrograph of polished section. Apophyses of galena cutting across sphalerite. Quartz is gangue. X 175, Michigan-Snowbank mine. Summit County, Colorado. Circa 1963. Published in US Geological Survey Professional Paper 652, figure 18-D. 1971.
Summary
Photomicrograph of polished section. Apophyses of galena cutting across sphalerite. Quartz is gangue. X 175, Michigan-Snowbank mine. Summit County, Colorado. Circa 1963. Published in US Geological Survey Professional Paper 652, figure 18-D. 1971.
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