Mine detail: Grizzly King, Bobby, and Lost Claims

Previously called 'Copper Queen and Lucky Claims'

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Location

Lat / long:

37.5339, -107.51785

Resource(M)

Primary:	Gold
Secondary:	Silver, Copper
Tertiary:	Zinc, Lead
Ore:	Chalcopyrite, Galena, Sphalerite
Gangue:	Quartz

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Past Producer
Last production ended:	1936

Geology

Host rock:	Irving Formation
Host type:	Schist
Structure:	San Juan Uplift, San Juan Basin, Needle Mtns Uplift
Tectonic:	Central Cordillera (Southern Rocky Mtns)

References

MRDS	D010745
DEP	10087908
Reference	{Deposit:: STEVEN, T.A., AND OTHERS, 1969, MINERAL RESOURCES OF THE SAN JUAN PRIMITIVE AREA, COLORADO: USGS BULL. 1261-F, P. 109-111}{Production:: STEVEN AND OTHERS (1969, P. 111)}
Reporter	Schwochow, Stephen D.