Mineralization along joints in granite, Rarus mine. Jefferson County, Montana. 1900.
Dates
Date Taken
1900
Summary
Mineralization along joints in granite, Rarus mine, south crosscut, seventh level. Incipient vein formation, veinlets of quarts and pyrite. Jefferson County, Montana. Circa 1900. Plate in U.S. Geological Survey. Professional paper 74. 1912.
Summary
Mineralization along joints in granite, Rarus mine, south crosscut, seventh level. Incipient vein formation, veinlets of quarts and pyrite. Jefferson County, Montana. Circa 1900. Plate in U.S. Geological Survey. Professional paper 74. 1912.
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