Mine detail: Gold King Mine

Previously called 'Gold King, MS 20371Independence, MS 20371Bonanza, MS 20371Bonanza Extension, MS 20371American Flag, MS 20372Patented Claims: Eureka, MS 1271Jim, MS 20373Unpatented Claims: AliceJuneJo DandyNew Copper Hill ExtensionHierro'

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Location

Lat / long:

37.41362, -108.02593

Resource(M)

Primary:	Gold, Silver
Secondary:	Lead, Zinc
Tertiary:	Copper, Tellurium, Mercury, Antimony
Ore:	Calaverite, Chalcopyrite, Gold, Krennerite, Miargyrite, Petzite, Pyrite, Sphalerite, Sylvanite, Tetrahedrite
Gangue:	Ankerite, Barite, Calcite, Fluorite, Quartz
Discovery year:	1921

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Past Producer
First production started:	1921
Last production ended:	1941

Geology

Host rock:	Rico Formation;Cutler Formation
Host type:	Diorite,Mudstone,Shale,Sandstone
Associated rock:	Porphyritic Rocks--Diorite-Monzonite Porphyry
Associated type:	Diorite
Structure:	San Juan Uplift, Four Corners Platform, La Plata Dome
Tectonic:	Central Cordillera (Southern Rocky Mtns)
Alteration processes:	Silicification

References

MRDS	D010823
DEP	10014167
Reference	{Deposit:: ECKEL, E.B., AND OTHERS, 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219, P. 73-76, 120-123, PL. 22.}{Deposit:: COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.}{Deposit:: BLM MINERAL SURVEYS MS 1271, 20371, 20372}{Production:: ECKEL AND OTHERS, 1949, P. 121 (AS COMPILED FROM USBM RECORDS); COLORADO DIV. MINES ANNUAL OPERATOR REPTS.}
Reporter	Schwochow, Stephen D.