Commodities
PrimarySilver
SecondaryCopper, Lead, Zinc, Gold
TertiaryIron
Commodity typeM
Deposit
Deposit typeVein
Model82: Epithermal veins
Deposit sizeS
WorkingsUnderground
Ore controlMineralized Veins And Fissures
Materials
Ore mineralsChalcopyrite, Galena, Gold, Magnetite, Pyrite, Sphalerite
GangueBarite, Fluorite, Quartz
Geology
Host rockGneiss · Undivided Gneiss
Associated rockRhyolite · Undivided Silver Cliff Rhyolite
StructureSilver Cliff Volcanic Center, Wet Mtns, Wet Mtn Valley, On Outermost West-Trending Ring Fault With Almost Vertical Dip
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationFerruginous Zone; Oxidation
Economic & production
Development statusPast Producer
First production1880
Last production1964
Discovery year1895
Identification
Deposit ID10012297
MRDS IDD007850
Alternate namesUnpatented Claims 1964: R & C Lode, C & R Nos. 3, 4, 5,, Golden Cycle, Unpatented Claims 1946: Venus, Virginia of the Maxine Elliot Group,, Annabel Lode, Fraction Claim
RegionNA
Data scoreB
Coordinates38.1639, -105.44751
References
CROSS, WHITMAN, 1896, GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 263-403.EMMONS, S.F., 1896, THE MINES OF CUSTER COUNTY, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 405-472.SHARP, W.M., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081.COLORADO DIVISION OF MINES INSPECTION RECORDS