Colorado · Boulder County
Past Producer
Comstock
Boulder County, Colorado, United States
Zinc
Silver
Lead
Gold
Copper
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USGS source ↗
Commodities
Primary
Zinc, Silver, Lead
Secondary
Gold, Copper
Commodity type
M
Deposit
Deposit type
Vein
Workings
Underground
Materials
Ore minerals
Sphalerite, Galena
Other materials
Calcite, Chalcopyrite, Monazite
Economic & production
Development status
Past Producer
First production
1911
Discovery year
1911
Identification
Deposit ID
10166305
MRDS ID
DC03296
Region
NA
Data score
B
Coordinates
39.98011, -105.58111
References
RICHARD SIGISMONDE-P.O. BOX 957 BOULDER COLO. PH 447-9170CONSV. DIV. COMP. DATE, 10,62MOORE AND OTHERS, 1957, USGS BULL. 1030-N, p. 545-546.