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:  by Nora K. Foley ... [et al.].
Contributors: Foley, N. K.
Series: U.S. Geological Survey professional paper ;; 1537
Publisher: U.S. G.P.O.
Published: 1993
Place of publication: Washington
Language: eng
Number of pages: 39
Subjects: Gold ores -- Geology -- Colorado -- Mineral County.; Ore deposits -- Colorado -- Mineral County.
Notes: Includes bibliographical references (p. 37-39).