Argentian cryptomelane and bromargyrite in volcanic rocks near Silver Cliff, Colorado
1 online resource (iii, 23 pages) : illustrations.
- Publisher: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1974.
- Distributor: Washington : United States Government Printing Office
|General Note:||"This report describes silver minerals, especially a new variety of cryptomelane, and explains why unmined silver ores remain at the surface in this old mining district."
Title from title screen (viewed August 4, 2014).
|Bibliography, etc. Note:||Includes bibliographical references (page 23).|
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|Subject:||Mines and mineral resources Colorado Silver Cliff
Silver ores Colorado Silver Cliff
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