Colorado · Clear Creek County
Past Producer
Mona Tunnel
Clear Creek County, Colorado, United States
Gold
Silver
Copper
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USGS source ↗
Commodities
Primary
Gold, Silver
Secondary
Copper
Commodity type
M
Deposit
Model
72: Polymetallic replacement
Materials
Ore minerals
Galena, Sphalerite, Chalcopyrite, Pyrite
Gangue
Quartz
Economic & production
Development status
Past Producer
Identification
Deposit ID
10117203
Region
NA
Data score
C
Coordinates
39.76555, -105.53809
References
USGS OFR 66-87, p. 154