Mine detail: Emma Mine

Previously called 'Ms 12752Patented Claim: Emma'

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Location

Lat / long:

37.38558, -106.53866

Resource(M)

Primary:	Gold, Silver
Tertiary:	Copper
Ore:	Gold, Petzite, Tetrahedrite
Gangue:	Quartz
Discovery year:	1881

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	La Jara Canyon Member Of Treasure Mountain Tuff;Summitville Andesite
Host type:	Quartz Latite
Associated rock:	Intrusive Rocks--Monzonite (Alamosa River Stock)
Associated type:	Monzonite,Quartz Latite,Andesite
Structure:	San Juan Volcanic Field, Platoro Caldera, Summitville Caldera, Alamosa River Stock, Cornwall Fault
Tectonic:	Central Cordillera (Southern Rocky Mtns)

References

MRDS	D010638
DEP	10101859
Reference	{Deposit:: PATTON, H.B., 1917, GEOLOGY AND ORE DEPOSITS OF THE PLATORO-SUMMITVILLE MINING DISTRICT, COLORADO: CGS BULL. 13.}{Deposit:: LIPMAN, P.W., 1974, GEOLOGIC MAP OF THE PLATORO CALDERA AREA, SOUTHEASTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-828.}{Deposit:: BLM MINERAL SURVEY MS 12752}
Reporter	Schwochow, Stephen D.