Mine detail: Del Monte Prospect

Previously called 'Excelsior Ridge'

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Location

Lat / long: 38.1264, -105.35918

Resource(M)

Primary: Silver
Discovery year: 1882

Production

Operation type: Unknown
Deposit type: Vein
Production size: None
Development status: Occurrence

Geology

Host type:Rhyolite
Associated rock:Rhyolite Of Rosita Volcano
Associated type:Rhyolite
Structure:Rosita Volcanic Center, Wet Mtns, Northeast-Trending Fault
Tectonic:Central Cordillera (Southern Rocky Mtns)
Alteration processes:Weak Argillization

References

MRDSD007648
DEP10094451
Reference{Deposit:: CROSS, WHITMAN, 1896, GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 263-403}{Deposit:: EMMONS, S.F., 1896, THE MINES OF CUSTER COUNTY, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 405-472.}{Deposit:: SHARP, W.M., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAPS I-1081.}{Reserve-Resource:: Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.}
ReporterBeach, Richard A., Collins, Donna B.