Commodities
PrimarySilver, Gold
SecondaryCopper, Lead
TertiaryZinc, Antimony
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
Ore controlNe-Trending Fault Within Graben
Materials
Ore mineralsArgentite, Chalcopyrite, Galena, Pyrite, Sphalerite
GangueLimonite, Quartz
Geology
Host rockRhyolite,Quartz Latite
Associated rockRhyolite,Quartz Latite · Biotite-Quartz Latite Of Burns Member Of Silverton Volcanics;Eureka Member Of Sapinero Mesa Tuff
StructureSan Juan Volcanic Field, San Juan Depression, San Juan-Uncompahgre Calderas, Lake City Caldera, Eureka Graben
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationApparent Supergene Oxidation Of Sulfides To Pyrargyrite And Argentite
Economic & production
Development statusPast Producer
Last production1919
Identification
Deposit ID10014719
MRDS IDD011611
Alternate namesGold Crescent, Midas, Golden Scepter, Jensen, Ensign, Payteller, Patented Claims: New Brighton Mill Site, MS 673b, Thunderbolt Mill Site, MS 685b, Fort Donaldson, MS 1230, Bob Ingersoll, MS 16129, Dewey No. 2, MS 16374, Goodwin, MS 16754, Unpatented Claims: Golconda, Gold Pick, Colchis, Edward E. Yater, Grassey, Croesus
RegionNA
Data scoreB
Coordinates37.95583, -107.54814
References
LIPMAN, P.W., 1976, GEOLOGIC MAP OF THE LAKE CITY CALDERA AREA, WESTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO USGS MAP I-962.CROSS, WHITMAN, AND OTHERS, 1905, DESCRIPTION OF THE SILVERTON QUADRANGLE: USGS FOLIO 120, 34 P.BROWN, 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 673B, 685B, 1230, 16129, 16374, 16754LUEDKE, R.G., AND BURBANK, W.S., 1975, PRELIMINARY GEOLOGIC MAP OF THE HANDIES PEAK QUADRANGLE, COLORADO: USGS OPEN-FILE REPT. 75-432.COLORADO DIV. MINES ANNUAL OPERATOR REPT.