Commodities
PrimaryIron
SecondaryManganese
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Ore controlMineralized Fissures (?) Near Volcanic/Gneiss Contact
Materials
Ore mineralsHematite, Limonite, Psilomelane, Pyrite
Geology
Host rockRhyolite,Gneiss · "Silver Cliff Rhyolite Undivided", "Undivided Gneiss"
StructureSilver Cliff Volcanic Center, Wet Mtns, Wet Mtn Valley, Near Ring Faults
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationFerruginous Zone
Economic & production
Development statusPast Producer
Discovery year1882
Identification
Deposit ID10101721
MRDS IDD007871
Alternate namesBlack Pit, Schweigert Mine, Claims: Hudson Bay, Iron Contact, South Contact, Silver Iron, Dakota, Boss
RegionNA
Data scoreB
Coordinates38.17112, -105.45613
References
CROSS, WHITMAN, 1896, GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH ANN. REPORT, PT. 2, 263-403.FIELDMAN, D.W. AND CROWLEY, F.P., 1980, SILVER DEPOSITS IN THE SOUTHERN PORTION OF THE SILVER CLIFF CALDERA, IN SILVER CLIFF VOLCANIC CENTER AND TALLAHASSEE CREEK URANIUM DEPOSITS: DENVER REGIONAL EXPLORATION GEOLOGISTS GUIDEBOOK, P. 1-14.SHARP, W.M., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081.HARRER, C.M. AND TESCH, W.J., JR., 1959, RECONNAISSANCE OF IRON OCCURRENCES IN COLORADO: U.S. BUREAU OF MINES. INFORMATION CIRCULAR 7918