Commodities
PrimarySilver, Gold
SecondaryCopper, Lead, Zinc
TertiaryAntimony
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
Ore controlNe-Trending Radial Fracture/Fault Related To Lake City Caldera Formation
Materials
Ore mineralsBournonite, Chalcopyrite, Galena, Sphalerite
GangueBarite, Quartz
Geology
Host rockRhyolite
Associated rockRhyolite · Rhyolite Of Volcanics Of Uncompahgre Peak;Carpenter Ridge Tuff
StructureSan Juan Volcanic Field, San Juan Depression, San Juan-Uncompahgre Calderas, Lake City Caldera
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
Last production1959
Identification
Deposit ID10014674
MRDS IDD011553
Alternate namesExtension, MS 358, Malter Placer, MS 588, Western Belle, MS 1049, Delphos, MS 6952, Trenton, MS 6967, Patented Claims: Belle of the West, MS 357
RegionNA
Data scoreB
Coordinates38.00168, -107.28563
References
IRVING, J.D., AND BANCROFT, HOWLAND, 1911, GEOLOGY AND ORE DEPOSITS NEAR LAKE CITY, COLORADO: USGS BULL. 478.LIPMAN, P.W., 1976, GEOLOGIC MAP OF THE LAKE CITY CALDERA AREA, WESTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-962.LIPMAN, P.W., AND OTHERS, 1976, MULTIPLE AGES OF MID-TERTIARY MINERALIZATION AND ALTERATION IN THE WESTERN SAN JUAN MOUNTAINS, COLORADO: ECON. GEOLOGY, V. 71, NO. 3, P. 571-588.SLACK, J.F., 1980, MULTISTAGE VEIN ORES OF THE LAKE CITY DISTRICT, WESTERN SAN JUAN MOUNTAINS, COLORADO: ECON. GEOLOGY, V. 75, NO. 7, P. 963-9919BROWN, W.H., 1926, THE MINERAL ZONES OF THE WHITE CROSS DISTRICT AND NEIGHBORING DEPOSITS IN HINSDALE COUNTY, COLORADO: MINES MAG., V. 15, NO. 11, P. 5-15.COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.BLM MINERAL SURVEYS MS 357, 358, 588, 1049, 6952, 6967COLORADO DIV. MINES ANNUAL OPERATOR REPTS.; USBM/USGS MINERAL RESOURCES OF U.S.; USBM MINERAL YEARBOOKS