Mine detail: Capitol City Mine

Previously called 'Patented Claims: Capitol City, MS 1148Capitol City No. 2, MS 1149Lilly, MS 1559Sunny ChiefEast EndLaddie BoyMonkey ShineUnpatented Claims: CrusaderOld GloryHigh StepperPanhandleFreeholder'

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Location

Lat / long:

38.0175, -107.47035

Resource(M)

Primary:	Silver, Lead, Copper, Zinc
Secondary:	Gold
Ore:	Chalcopyrite, Pyrite, Sphalerite
Gangue:	Chlorite, Quartz
Discovery year:	1882

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Past Producer
Last production ended:	1954

Geology

Host type:	Quartz Latite
Associated rock:	Eureka Member Of Sapinero Mesa Tuff;Biotite-Quartz Latite Of Burns Member Of Silverton Volcanics;Intrusive Rocks--Monzonite Porphyry Zr Fiss. Track 23.3;Intrusive Rocks--Rhyolite
Associated type:	Monzonite,Rhyolite,Quartz Latite
Structure:	San Juan Volcanic Field, San Juan Depression, San Juan-Uncompahgre Calderas, Lake City Caldera, Eureka Graben
Tectonic:	Central Cordillera (Southern Rocky Mtns)
Alteration processes:	Chloritization

References

MRDS	D011603
DEP	10087976
Reference	{Deposit:: IRVING, J.D., AND BANCROFT, HOWLAND, 1911, GEOLOGY AND ORE DEPOSITS NEAR LAKE CITY, COLORADO: USGS BULL. 478, P. 77-78.}{Deposit:: SLACK, J.F., 1980, MULTISTAGE VEIN ORES OF THE LAKE CITY DISTRICT, WESTERN SAN MOUNTAINS, COLORADO: ECON. GEOLOGY, V. 75, NO. 7, P. 963-991.}{Deposit:: LIPMAN, P.W., 1976, GEOLOGIC MAP OF THE LAKE CITY CALDERA AREA, WESTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-962.}{Deposit:: COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.}{Deposit:: BLM MINERAL SURVEYS MS 1148, 1149, 1559}{Production:: COLORADO DIV. MINES ANNUAL OPERATOR REPTS.}
Reporter	Schwochow, Stephen D.