Colorado · Mineral County
Occurrence

Exchequer Tunnel

Mineral County, Colorado, United States
SilverLeadGoldCopperManganese
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver, Lead, Gold
TertiaryCopper, Manganese
Commodity typeM
Deposit
Deposit sizeN
WorkingsUnderground
Materials
Ore mineralsSilver
GangueAmethyst, Barite, Limonite, Quartz
Geology
Host rockRhyolite · Campbell Mtn. Member Of Bachelor Mtn. Rhyolite
Associated rockRhyolite · Campbell Mtn. Member Of Bachelor Mtn. Rhyolite;Willow Creek Member Of Bachelor Mtn. Rhyolite
StructureSan Juan Volcanic Field; La Garita, Creede, And Bachelor Calderas, Creede Graben, Amethyst Fault Zone
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationCopper Staining
Economic & production
Development statusOccurrence
Identification
Deposit ID10012359
MRDS IDD007951
RegionNA
Data scoreB
Coordinates37.86723, -106.92979
References
EMMONS, W.H., AND LARSEN, E.S. 1923, GEOLOGY AND ORE DEPOSITS OF THE CREEDE DISTRICT, COLORADO: USGS BULL. 718, 198 P.STEVEN, T.A., AND RATTE, J.C., 1965, GEOLOGY AND STRUCTURAL CONTROL OF ORE DEPOSITION IN THE CREEDE DISTRICT, SAN JUAN MOUNTAINS, COLORADO: USGS PROF. PAPER 487, 90 P.LINDEMANN, J.W., AND OTHERS, EDS., 1981, FIELD TRIP NOTES, CREEDE MINING DISTRICT, SAN JUAN VOLCANIC PROVINCE, COLORADO: DENVER REGIONAL EXPLORATION GEOLOGISTS SOC. GUIDEBOOK