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Mine detail: Last Chance Placer
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North America
United States
Colorado
Costilla
Previously called 'Last Chance No. 3'
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Location
Lat / long:
37.61613, -105.27445
Resource(M)
Primary:
Gold
Tertiary:
Tellurium
Ore:
Calaverite, Gold
Production
Operation type:
Surface
Deposit type:
Placer
Production size:
Small
Development status:
Past Producer
Last production ended:
1936
Geology
Host rock:
Recent Alluvium
Host type:
Sand and Gravel
Structure:
Sierra Blanca Massif, Ft. Garland Embayment
Tectonic:
Central Cordillera (Southern Rocky Mtns)
References
MRDS
D006752
DEP
10011672
Reference
{Deposit:: PATTON, H.B., AND OTHERS, 1910, GEOLOGY OF THE GRAYBACK MINING DISTRICT, COSTILLA COUNTY, COLORADO: CGS BULL. 2.}{Deposit:: PARKER, B.H., JR., 1974, GOLD PLACERS OF COLORADO: CSM QUART., V. 69, NO. 4, P. 124-134.}
Reporter
Schwochow, Stephen D.