Colorado · Hinsdale County
Producer
St. Jacob Mine
Hinsdale County, Colorado, United States
Gold
Silver
Lead
Copper
Zinc
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USGS source ↗
Description
H.H. Anderson And Others (Claimants)
Commodities
Primary
Gold, Silver, Lead, Copper
Secondary
Zinc
Commodity type
M
Deposit
Deposit type
Vein
Deposit size
S
Ore control
Fractures And Altered Porphyry In And Adjacent To Carson Intrusive Centersan Juan Volcanic Field, San Juan Depression
Materials
Ore minerals
Chalcopyrite, Enargite, Marcasite, Pyrite, Sphalerite
Gangue
Barite, Quartz
Geology
Host rock
Rhyodacite,Quartz Latite,Andesite
Associated rock
Rhyodacite,Quartz Latite,Andesite · Early Intermediate-Composition Lavas And Related Rocks--Lava Flows
Structure
San Juan Volcanic Field, San Juan Depression, San Juan-Uncompahgre Calderas, Lake City Caldera, Carson Volcano
Tectonic setting
Central Cordillera (Southern Rocky Mtns)
Alteration
Silicification
Economic & production
Development status
Producer
First production
1895
Last production
1940
Discovery year
1886
Identification
Deposit ID
10014695
MRDS ID
D011582
Alternate names
St. Jacob Group, Patented Claims: Hamilton, MS 2425, Griggs, MS 2426, St. Johns, MS 2427, St. Jacobs, MS 2428
Region
NA
Data score
C
Coordinates
37.84473, -107.36396
References
USBM 1940 MINERAL YEARBOOK