Description
J.C. Mackenzie, H.M. Bennett, J.A. Wilson
Commodities
PrimaryLead, Silver
SecondaryZinc, Gold, Copper
TertiaryAntimony, Manganese
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Ore controlAmethyst Fault, Ancestral Amethyst Fault; Steep, Subparallel Hanging Wall Fractures
Materials
Ore mineralsArgentite, Chalcocite, Chalcopyrite, Covellite, Pyrite, Silver, Sphalerite, Tetrahedrite
GangueAmethyst, Barite, Hematite, Limonite, Quartz, Rhodochrosite, Smithsonite, 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 production1884
Discovery year1884
Identification
Deposit ID10012366
MRDS IDD007966
RegionNA
Data scoreA
Coordinates37.87307, -106.93312
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. GUIDEBOOK1902-06 (EMMONS & LARSEN, 1923); 1916-25 (CO. DIV. MINES ANN. OPERATORS REPTS.)