Mine detail: Emerald Lake Mine

Previously called 'Patented Claims: Emerald Lake Nos. 1-5, MS 14476aEmerald Lake Mill Site, MS 14476b'

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Location

Lat / long:

37.59279, -107.66897

Resource(M)

Primary:	Gold, Silver
Secondary:	Copper, Lead
Ore:	Chalcopyrite
Gangue:	Calcite, Quartz
Discovery year:	1901

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	None
Development status:	Occurrence

Geology

Host rock:	Irving Formation
Host type:	Schist,Pegmatite
Associated rock:	Eolus Granite;Intrusive Bodies And Related Rocks (Younger And Older Bodies Of Chicago Basin Stock)
Associated type:	Quartz Monzonite,Rhyolite,Granite
Structure:	San Juan Uplift, San Juan Basin, San Juan Volcanic Field, Needle Mtns Uplift, Eolus Batholith, Chicago Basin Stock, Trimble Stock
Tectonic:	Central Cordillera (Southern Rocky Mtns)
Alteration processes:	Oxidation Of Sulfide Minerals

References

MRDS	D010705
DEP	10087899
Reference	{Deposit:: SCHMITT, L.J., AND RAYMOND, W.H., 1977, GEOLOGY AND MINERAL DEPOSITS OF THE NEEDLE MOUNTAINS DISTRICT, SOUTH-WESTERN COLORADO: USGS BULL. 1434, 40 P.}{Deposit:: STEVEN, T.A., AND OTHERS, 1969, MINERAL RESOURCES OF THE SAN JUAN PRIMITIVE AREA, COLORADO: USGS BULL. 1261-F, P. 30-32, 55-67, 109, 166-167.}{Deposit:: CROSS, WHITMAN, AND OTHERS, 1905, DESCRIPTION OF THE NEEDLE MOUNTAINS QUADRANGLE, COLORADO: USGS FOLIO 131.}{Deposit:: BLM MINERAL SURVEYS 14476A&B}
Reporter	Schwochow, Stephen D.