Description
Fred Monkemeyer
Commodities
PrimarySilver
Commodity typeM
Deposit
Deposit sizeN
WorkingsUnderground
Ore controlCarbonaceous Matter In Sandstone; Porous, Altered, Sandy Matrix In Conglomerate
Materials
Ore mineralsAcanthite
GangueBarite, Hematite, Jarosite, Limonite
Geology
Host rockSandstone,Conglomerate · Commodore Conglomerate Member Of Creede Formation;Monkemeyer Sandstone Member Of Creede Formation
Associated rockQuartz Latite · Fisher Creek Quartz Latite
StructureSan Juan Volcanic Field; La Garita, Creede, And Bachelor Calderas, Amethyst Fault, Bachelor Mtn. Paleovalley (Controlled By Creede Graben)
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationSilicification
Economic & production
Development statusProspect
Discovery year1919
Identification
Deposit ID10012364
MRDS IDD007963
RegionNA
Data scoreB
Coordinates37.8714, -106.93451
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