Description
J.C. Mackenzie
Commodities
PrimarySilver
TertiaryAntimony, Copper, Lead, Zinc
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Ore controlSheeted Zones In Hanging Wall Of A-C Fault, Higher Grade Ore Near Offshoot Faults
Materials
Ore mineralsCerargyrite, Silver
GangueAmethyst, Barite, Chalcanthite, Limonite, Pyrite, Quartz, Stephanite, Stibnite
Geology
Host rockRhyolite · Campbell Mtn. Member Of Bachelor Mtn. Rhyolite;Fisher Quartz Latite
Associated rockRhyolite,Quartz Latite · Campbell Mtn. Member Of Bachelor Mtn. Rhyolite;Fisher Quartz Latite
StructureSan Juan Volcanic Field; La Garita, Creede, And Bachelor Calderas, Alpha-Corsair Fault; Creede Graben
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationBleaching, Variable Silicification And Argillization
Economic & production
Development statusPast Producer
First production1892
Discovery year1883
Identification
Deposit ID10012325
MRDS IDD007886
RegionNA
Data scoreB
Coordinates37.84501, -106.96312
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