Commodities
PrimarySilver, Gold
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formBreccia Pipe
Ore controlConcentric Faults And Fractures
Materials
Ore mineralsArgentite
GangueIllite, Quartz
Geology
Host rockVolcanic Breccia (Agglomerate),Rhyolite
StructureRosita Volcanic Center, Wet Mtns, Concentric Faults And Fractures
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationStrongly Argillized
Economic & production
Development statusPast Producer
First production1903
Last production1907
Discovery year1902
Identification
Deposit ID10012432
MRDS IDD008059
Alternate namesBismuth, Chloride, Mother, Major, Dr. Emma, Judge
RegionNA
Data scoreB
Coordinates38.1514, -105.4514
References
SHARP, W.N., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081, 1:24,000.COLORADO DIVISION MINES, 1981, INSPECTION RECORDS