Mine detail: Silver Reef Group

Previously called 'Red Bird GroupShy ClaimsThree Jacks GroupChance GroupSilverreef MineMary Murphy Mine'

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Location

Lat / long:

37.48112, -107.47757

Resource(M)

Primary:	Silver, Copper, Lead
Secondary:	Gold
Tertiary:	Zinc
Ore:	Chalcocite, Galena, Malachite, Smithsonite, Sphalerite
Gangue:	Calcite, Hematite, Limonite, Siderite

Production

Operation type:	Unknown
Deposit type:	Replacement
Production size:	Small
Development status:	Past Producer
First production started:	1913
Last production ended:	1928

Geology

Host rock:	Elbert Formation;Ouray Formation
Host type:	Limestone
Structure:	San Juan Uplift, San Juan Basin, Unnamed Faults
Tectonic:	Central Cordillera (Southern Rocky Mtns)
Alteration processes:	Oxidation Of Fe And Base-Metal Sulfide Minerals

References

MRDS	D010741
DEP	10087907
Reference	{Deposit:: STEVEN, T.A., AND OTHERS, 1969, MINERAL RESOURCES OF THE SAN JUAN PRIMITIVE AREA, COLORADO: USGS BULL. 1261-F, P. 53, 110, 113.}{Deposit:: COLORADO DIV. MINES INF. REPTS.}{Production:: COLORADO DIV. MINES INF. REPTS. (ANNUALS); STEVEN AND OTHERS, 1969, P. 113 (CUMULATIVE)}
Reporter	Schwochow, Stephen D.