Description
J.C. Mackenzie, W.V. Mcgilliard
Commodities
PrimaryZinc, Silver, Lead
SecondaryCopper, Gold
TertiaryAntimony, Manganese
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Ore controlAmethyst Fault, Ancestral Amethyst Fault, Subparallel And Antithetic Hanging-Wall Fractures
Materials
Ore mineralsAcanthite, Anglesite, Cerargyrite, Pyrite, Pyromorphite, Silver, Sphalerite, Tetrahedrite
GangueAmethyst, Barite, Chlorite, Hematite, Limonite, Quartz, Rhodochrosite, Wad
Geology
Host rockRhyolite · Campbell Mtn. Member Of Bachelor Mtn. Rhyolite;Willow Creek 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)
AlterationChloritization, Silicification, Argillization; Fe-Mn Oxides
Economic & production
Development statusPast Producer
First production1891
Discovery year1891
Identification
Deposit ID10012365
MRDS IDD007965
RegionNA
Data scoreA
Coordinates37.87057, -106.92951
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. GUIDEBOOK1903-06 & 1891-1912 CUMULATIVES FROM EMMONS & LARSEN (1923); 1916-42 FROM CO DIV. MINES ANN. OPERATORS REPTS.