Mine detail: Merrimac Mine

Previously called 'Merrimac GroupPatented Claims: Merrimac, MS 6200aWild Cat, MS 6200aTelluride, MS 6200aBismuth, MS 6200aMerrimac Mill Site, MS 6200b'

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Location

Lat / long:

37.34974, -106.54116

Resource(M)

Primary:	Gold, Silver
Secondary:	Lead, Copper
Tertiary:	Zinc, Molybdenum, Antimony
Ore:	Chalcocite, Covellite, Digenite, Electrum, Ferrimolybdite, Galena, Gold, Marcasite, Miargyrite, Molybdenite, Polybasite, Proustite, Pyrargyrite, Pyrrhotite, Silver, Sphalerite, Zinkenite
Gangue:	Quartz

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
Host type:	Gneiss,Quartz Latite
Associated rock:	La Jara Canyon Member Of Treasure Mountain Tuff
Associated type:	Quartz Latite
Structure:	San Juan Volcanic Field, Platoro Caldera, Summitville Caldera, Platoro Fault Zone, Cornwall Block
Tectonic:	Central Cordillera (Southern Rocky Mtns)

References

MRDS	D010732
DEP	10014102
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:: BIRD, W.H., 1972, MINERAL DEPOSITS OF THE SOUTHERN PORTION OF THE PLATORO CALDERA COMPLEX, SOUTHEAST SAN JUAN MOUNTAINS, COLORADO: MTN. GEOLOGIST, V. 9, NO. 4, P. 379-387.}{Deposit:: WORCESTER, P.G., 1919, MOLYBDENUM DEPOSITS OF COLORADO WITH GENERAL NOTES ON THE MOLYBDENUM INDUSTRY: CGS BULL. 14, P. 52.}{Deposit:: BLM MINERAL SURVEY MS 6200A&B}{Deposit:: BIRD, W.H., 1973, THE DEVELOPMENT OF THE SOUTHERN PORTION OF THE PLATORO CALDERA COMPLEX AND ITS RELATED MINERAL DEPOSITS, SOUTHEAST SAN JUAN MOUNTAINS, COLORADO: COLORADO SCHOOL OF MINES THESIS T-1440.}
Reporter	Schwochow, Stephen D. (King, Robert U.)