Montana · Beaverhead County
Occurrence
Grasshopper Prospect
Beaverhead County, Montana, United States
Zinc
Copper
Molybdenum
Gold
Silver
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USGS source ↗
Description
Cities Service Corp.
Commodities
Primary
Zinc, Copper
Secondary
Molybdenum, Gold, Silver
Commodity type
M
Deposit
Deposit size
N
Materials
Ore minerals
Chalcopyrite, Gold, Molybdenite, Silver
Gangue
Limonite, Magnetite, Pyrite
Geology
Host rock
Dacite
Associated rock
Dacite · Grasshopper Stock
Alteration
2 Mi Diameter Alteration System
Economic & production
Development status
Occurrence
Discovery year
1977
Identification
Deposit ID
10013905
MRDS ID
D010457
Region
NA
Data score
B
Coordinates
45.15546, -112.91756
References
MEYER, J.W., 1980 M.S. THESIS, U. OF ARIZ