Mine detail: Moro Mine

Previously called 'Moro Mill SiteMoro Tunnel SiteMoro-Ajax MinePatented Claims: Moro Limited, MS 13811Ajax Limited, MS 13811Unpatented Claims: Ajax No.2Moro Extension'

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Location

Lat / long:

37.99889, -107.48535

Resource(M)

Primary:	Silver, Lead
Secondary:	Copper, Gold
Tertiary:	Zinc, Antimony
Ore:	Anglesite, Chalcocite, Chalcopyrite, Covellite, Sphalerite
Gangue:	Barite, Quartz

Production

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

Geology

Host type:	Rhyolite
Associated rock:	Eureka Member Of Sapinero Mesa Tuff;Intrusive Rocks--Monzonite Porphyry
Associated type:	Monzonite,Rhyolite
Structure:	San Juan Volcanic Field, San Juan Depression, San Juan-Uncompahgre Calderas, Lake City Caldera
Tectonic:	Central Cordillera (Southern Rocky Mtns)
Alteration processes:	Oxidation Of Pyrite To Hematite; Oxidation Of Galena To Anglesite

References

MRDS	D011616
DEP	10087978
Reference	{Deposit:: IRVING, J.D., AND BANCROFT, HOWLAND, 1911, GEOLOGY AND ORE DEPOSITS NEAR LAKE CITY, COLORADO: USGS BULL. 478, P. 116-122.}{Deposit:: LIPMAN, P.W., 1976, GEOLOGIC MAP OF THE LAKE CITY CALDERA AREA, WESTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-962.}{Deposit:: SLACK, J.F., 1980, MULTISTAGE VEIN ORES OF THE LAKE CITY DISTRICT, WESTERN SAN JUAN MOUNTAINS, COLORADO: ECON. GEOLOGY, V.75, NO. 7, P.963-991.}{Deposit:: COLORADO DIV. MINES INF. REPT.}{Deposit:: BLM MINERAL SURVEY MS 13811}
Reporter	Schwochow, Stephen D.