Colorado · Boulder County
Past Producer
Dolly Varden
Boulder County, Colorado, United States
Gold
Silver
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USGS source ↗
Commodities
Primary
Gold
Tertiary
Silver
Commodity type
M
Deposit
Model
85: Polymetallic veins
Materials
Ore minerals
Chalcopyrite, Pyrite
Economic & production
Development status
Past Producer
Identification
Deposit ID
10287570
MRDS ID
DC03573
Region
NA
Data score
C
Coordinates
40.02999, -105.47976
References
REF USGS PROF PAPER 223 PLATE 3