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Calculations of Geochemical Baselines of Stream Waters in the Vicinity of Summitville, Colorado, Before Historic Underground Mining and Prior to Recent Open-Pit Mining

By
W.R. Miller
W.R. Miller
U.S. Geological Survey, Box 25046, MS 973, Federal Center, Denver, CO 80225-0046
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J.B. McHugh, (Retired)
J.B. McHugh, (Retired)
U.S. Geological Survey, Box 25046, MS 973, Federal Center, Denver, CO 80225-0046
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Published:
January 01, 1997

Abstract

The Summitville deposit, located in the San Juan Mountains of southwestern Colorado, was discovered in the 1870s and is an example of an acid-sulfate epithermal Au-Ag-Cu system associated with advanced argillic alteration (Gray and Coolbaugh, 1994; Plumlee et al., 1995). After early mining, the Reynolds adit was constructed in 1887 to dewater existing mines. Limited mining occurred between 1950 and 1984. In 1984, Summitville Consolidated Mining Company, Inc., a subsidiary of Galactic Resources, constructed an open pit heap leach operation to extract gold and ceased operations after declaring bankruptcy in late 1992.

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Contents

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The Environmental Geochemistry of Mineral Deposits: Part A: Processes, Techniques, and Health Issues Part B: Case Studies and Research Topics

G.S. Plumlee
G.S. Plumlee
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M.J. Logsdon
M.J. Logsdon
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L.F. Filipek
L.F. Filipek
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Society of Economic Geologists
Volume
6
ISBN electronic:
9781629490137
Publication date:
January 01, 1997

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