Mine detail: Grasshopper Prospect

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Location: Beaverhead County, Montana, United States, North America
Lat / long: 45.15546, -112.91756
dep_id: 10013905
mrds_id: D010457
Commodity type: metallic
Major mineral: Zinc, Copper
Minor mineral: Molybdenum, Gold, Silver
Operation type: Unknown
Production size: No production occurred
Development status: Occurrence
ore: Chalcopyrite, Gold, Molybdenite, Silver
gangue: Limonite, Magnetite, Pyrite
alteration: 2 Mi Diameter Alteration System
Reporter: Loen, Jeffrey S. (Pearson, Robert C.)
hrock_type: Dacite
arock_unit: Grasshopper Stock
arock_type: Dacite
disc_yr: 1977
discr: Cities Service Corp.
References:
  • MEYER, J.W., 1980 M.S. THESIS, U. OF ARIZ
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