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Mineralogy, Mineral Chemistry, and Paragenesis of Gold, Silver, and Base-metal Ores of the North Amethyst Vein System, San Juan Mountains, Mineral County, Colorado

N. K. Foley

出版	U.S. Government Printing Office, 1993
URL	http://books.google.com.hk/books?id=qnjPTop_Sa4C&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN

註釋

A study of progressive vein-related mineralization of structures in volcaninc rocks of the San Luis ad Bachelor caldras of the San Juan volcanic field of southwestern Colorado and its bearing on the economic potential of the area.