Colorado · Boulder County
Occurrence
Boulder County Tunnel
Boulder County, Colorado, United States
Copper
Gold
Lead
Zinc
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USGS source ↗
Commodities
Tertiary
Copper, Gold, Lead, Zinc
Commodity type
M
Deposit
Workings
Underground
Materials
Other materials
Chalcopyrite, Galena, Gold, Pyrite, Quartz, Silver, Sphalerite
Economic & production
Development status
Occurrence
Discovery year
1870
Identification
Deposit ID
10141964
Region
NA
Data score
D
Coordinates
39.97805, -105.55753
References
COLO BOM 1975 LIST