Commodities
PrimarySilver
SecondaryGold
Commodity typeM
Deposit
Deposit typeVein
Model82: Epithermal veins
Deposit sizeS
WorkingsUnderground
Ore controlFault Trending Northeast, Trachyte Dike (?)
Materials
Ore mineralsPyrite, Galena
GangueQuartz
Geology
Host rockAndesite,Volcanic Breccia (Agglomerate) · Rosita Andesite;Game Ridge Trachyte, Rhyolite Of Rosita Volcano
Associated rockRhyolite,Trachyte
StructureRosita Volcanic Center, Wet Mtns, Fault Trending Northeast
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationStrongly Argillized; Bleached
Economic & production
Development statusProspect
Discovery year1895
Identification
Deposit ID10012307
MRDS IDD007863
RegionNA
Data scoreB
Coordinates38.11362, -105.34057
References
CROSS, WHITMAN, 1896, GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 263-403.SHARP, W.M., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081.