Commodities
PrimarySilver
SecondaryLead
TertiaryZinc
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
Ore controlNe-Trending Fault Within Graben
Materials
Ore mineralsGalena, Sphalerite
GangueQuartz
Geology
Host rockQuartz Latite · Tuffaceous Sandstone Of Henson Member Of Silverton Volcanics
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)
Economic & production
Development statusPast Producer
Identification
Deposit ID10101907
MRDS IDD011619
Alternate namesRuby, MS 12860, Patented Claims: Pearl, MS 12860
RegionNA
Data scoreB
Coordinates37.965, -107.53814
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.BLM MINERAL SURVEY MS 12860LUEDKE, R.G., AND BURBANK, W.S., 1975, PRELIMINARY GEOLOGIC MAP OF THE HANDIES PEAK QUADRANGLE, COLORADO: USGS OPEN-FILE REPT. 75-432.