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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 /

Mineralogy, mineral chemistry, and paragenesis of gold, silver, and base-metal ores of the North Amethyst vein system, San Juan Mountains, Mineral County, Colorado / by Nora K. Foley...[et al.]. - Washington: United States Government Printing Office, 1993. - iv, 39 p. : ill., maps, tables ; 29 cm. - 1537 .

Includes bibliographical references (p. 37-39).

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


Gold ores--Geology--Colorado--Mineral County
Ore deposits--Colorado--Mineral County

553.410978838