Description
Margaret Cowenhoven And Others (Claimants)
Commodities
PrimarySilver, Lead
SecondaryZinc
TertiaryManganese
Commodity typeM
Deposit
Deposit sizeS
Ore controlBedding Plane Faults; Paleokarst; Geologically Recent Solution Activity (?)
Geology
Host rockLimestone,Dolomite · Leadville Limestone (Redcliff And Castle Butte Members);Belden Formation
Associated rockGranite · Aplite Porphyry
StructureSawatch Uplift, Central Colorado Trough, Piceance Basin, White River Uplift, Elk Uplift, Silver Fault, Contact Fault, Aspen Mountain Syncline, Tourtellotte Park Uplift, Hallet Fault, Dixon Fault
Tectonic settingCentral Cordillera (Southern Rocky Mtns); Colorado Platform
AlterationDolomitization
Economic & production
Development statusPast Producer
Discovery year1885
Identification
Deposit ID10013238
MRDS IDD009426
Alternate namesClaim: Best Friend
RegionNA
Data scoreB
Coordinates39.16999, -106.82562
References
SPURR, J.E., 1898, GEOLOGY OF THE ASPEN DISTRICT, COLORADO: USGS MON. 31, P. 169-170BRYANT, BRUCE, 1971, GEOLOGIC MAP OF THE ASPEN QUADRANGLE, PITKIN COUNTY, COLORADO: USGS MAP GQ-933.BRYANT, BRUCE, 1972, MAP SHOWING MINES, PROSPECTS, AND AREAS OF SIGNIFICANT SILVER, LEAD, AND ZINC PRODUCTION IN THE ASPEN QUADRANGLE, PITKIN COUNTY, COLORADO: USGS MAP I-785-DBLM MINERAL SURVEY MS 4049