| Lat / long: | 38.64889, -106.07643 |
| Primary: | Fluorine-Fluorite |
| Tertiary: | Manganese |
| Ore: | Fluorite |
| Gangue: | Barite, Calcite, Goethite, Hematite, Kaolinite, Manganite, Montmorillonite, Opal, Psilomelane, Pyrite, Pyrolusite, Quartz |
| Discovery year: | 1923 |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1929 |
| Last production ended: | 1949 |
| Host rock: | Banded Gneiss;Browns Canyon Formation |
| Host type: | Gneiss,Siltstone,Rhyolite |
| Associated rock: | Gneissic Quartz Monzonite;Ash-Flow Tuff |
| Associated type: | Gneiss,Rhyolite |
| Structure: | Southern Mosquito Range, Arkansas Valley Graben, Folds, Faults; N-Trending Fault Bounding Arkansas Valley |
| Tectonic: | Central Cordillera (Southern Rocky Mountains) |
| Alteration processes: | Silicification, Fluoritization |
| MRDS | D010232 |
| DEP | 10013766 |
| Reference | {Deposit:: VAN ALSTINE, R.E., 1969, GEOLOGY AND MINERAL DEPOSITS OF THE PONCHA SPRINGS NE QUADRANGLE, CHAFFEE COUNTY, COLORADO: USGS PROFESSIONAL PAPER 626, 52 P.}{Deposit:: VAN ALSTINE, R.E. AND COX, D.C., 1969, FLUORSPAR MINES AND PROSPECTS, IN, GEOLOGY AND MINERAL DEPOSITS OF THE PONCHA SPRINGS NE QUADRANGLE, CHAFFEE COUNTY, COLORADO: USGS PROFESSIONAL PAPER 626, P. 38-43}{Deposit:: BRADY, B.T., 1975, MAP SHOWING FLUORSPAR DEPOSITS IN COLORADO: USGS MAP MR-70, 1:500,000, TEXT}{Deposit:: COLO BOM AN RPT 1929}{Deposit:: Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.}{Production:: VAN ALSTINE, R.E. (1969)} |
| Reporter | Collins, Donna B., Intermountain Field Operations Center (IFOC), Beach, Richard A. |