Commodities
PrimarySilver, Copper
TertiaryLead, Zinc
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
Ore controlNw-Trending Fault/Fracture Related To Monzonite Intrusion
Materials
Ore mineralsChalcopyrite, Galena, Pyrite, Sphalerite
GangueBarite, Quartz
Geology
Host rockMonzonite,Quartz Latite
Associated rockMonzonite,Rhyolite,Quartz Latite · Eureka Member Of Sapinero Mesa Tuff;Biotite-Quartz Latite Of Burns Member Of Silverton Volcanics;Intrusive Rocks--Monzonite Porphyry;Intrusive Rocks--Rhyolite
StructureSan Juan Volcanic Field, San Juan Depression, San Juan-Uncompahgre Calderas, Lake City Caldera, Eureka Graben
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
First production1896
Last production1952
Identification
Deposit ID10101908
MRDS IDD011625
Alternate namesPatented Claims: Yellow Medicine, MS 5187, Mountain Bell, MS 5187
RegionNA
Data scoreB
Coordinates38.02, -107.46952
References
IRVING, J.D., AND BANCROFT, HOWLAND, 1911, GEOLOGY AND ORE DEPOSITS NEAR LAKE CITY, COLORADO: USGS BULL. 478, P. 78-79.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.LIPMAN, P.W., 1976, GEOLOGIC MAP OF THE LAKE CITY CALDERA AREA, WESTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-962.COLORADO DIV. MINES INF. REPTS.BLM MINERAL SURVEY MS 5187STEVEN, T.A., AND OTHERS, 1977, MINERAL RESOURCES OF STUDY AREAS CONTIGUOUS TO THE UNCOMPAHGRE PRIMITIVE AREA, SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS BULL. 1391-E, P. 83, 110-111.IRVING AND BANCROFT, 1911, P. 78; USBM MINERALS YEARBOOKS