Mine detail: Pearl and Ruby Groups

Location:	Hinsdale County, Colorado, United States, North America
Lat / long:	37.965, -107.53814
dep_id:	10101907
mrds_id:	D011619
Commodity type:	metallic
Major mineral:	Silver
Minor mineral:	Lead
Trace mineral:	Zinc
Operation type:	Unknown
Deposit type:	Vein
Production size:	Small ammount of material produced
Development status:	Past Producer
ore:	Galena, Sphalerite
gangue:	Quartz
ore_ctrl:	Ne-Trending Fault Within Graben
Reporter:	Schwochow, Stephen D.
hrock_unit:	Tuffaceous Sandstone Of Henson Member Of Silverton Volcanics
hrock_type:	Quartz Latite
arock_unit:	Biotite-Quartz Latite Of Burns Member Of Silverton Volcanics;Eureka Member Of Sapinero Mesa Tuff
arock_type:	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)
References:	Deposit:: LIPMAN, P.W., 1976, GEOLOGIC MAP OF THE LAKE CITY CALDERA AREA, WESTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO USGS MAP I-962. Deposit:: CROSS, WHITMAN, AND OTHERS, 1905, DESCRIPTION OF THE SILVERTON QUADRANGLE; USGS FOLIO 120, 34 P. Deposit:: 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. Deposit:: COLORADO DIV. MINES INF. REPTS. Deposit:: BLM MINERAL SURVEY MS 12860 Deposit:: LUEDKE, R.G., AND BURBANK, W.S., 1975, PRELIMINARY GEOLOGIC MAP OF THE HANDIES PEAK QUADRANGLE, COLORADO: USGS OPEN-FILE REPT. 75-432.