Mine detail: Ironcap Mine

Previously called 'Patented Claims: Iron Cap, MS 8973Iron Band, MS 8973'

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Location

Lat / long: 38.34556, -107.08674

Resource(M)

Primary: Gold, Silver
Tertiary: Copper, Zinc, Lead
Ore: Chalcopyrite, Galena, Pyrite, Sphalerite
Gangue: Actinolite, Calcite, Epidote, Magnetite, Malachite, Quartz

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer

Geology

Host rock:Dubois Greenstone--Hornblende Schist And Amphibolite;Dubois Greenstone--Quartzite
Host type:Quartzite,Schist,Amphibolite
Associated rock:Basalt, Gabbro;Trachyte
Associated type:Gabbro,Trachyte,Basalt
Structure:Gunnison Uplift, San Juan Volcanic Field, Gunnison Gold Belt, Iron Hill Alkalic Complex, Tolvar Peak Stock, Unnamed Synform, Unnamed Fault
Tectonic:Central Cordillera (Southern Rocky Mtns)
Alteration processes:Alteration Of Mafic Volcanics To Calcite And Epidote

References

MRDSD011168
DEP10014414
Reference{Deposit:: HEDLUND, D.C., AND OLSON, J.C., 1975, GEOLOGIC MAP OF THE POWDERHORN QUADRANGLE, GUNNISON AND SAGUACHE COUNTIES, COLORADO: USGS MAP GQ-1178.}{Deposit:: SHERIDAN, D.M., AND OTHERS, 1981, PRECAMBRIAN SULFIDE DEPOSITS IN THE GUNNISON REGION, COLORADO, IN EPIS, R.C., AND CALLENDER, J.F., EDS., WESTERN SLOPE COLORADO: NEW MEXICO GEOL. SOC. 32D FIELD CONF. GUIDEBOOK, P. 273-277.}{Deposit:: NELSON, C.J., AND RIESMEYER, W.D., 1983, GEOLOGY OF THE ANACONDA-GUNNISON MINE AREA, GUNNISON COUNTY, COLORADO, IN HANDFIELD, R.C., ED., GUNNISON GOLD BELT AND POWDERHORN CARBONATITE FIELD TRIP GUIDEBOOK: DREGS, P. 8-18.}{Deposit:: DROBECK, P.A., 1981, PROTEROZOIC SYNGENETIC MASSIVE SULFIDE DEPOSITS IN THE GUNNISON GOLD BELT, COLORADO, IN EPIS, R.C., AND CALLENDER, J.F., EDS., WESTERN SLOPE COLORADO: NEW MEXICO GEOL. SOC. 32D FIELD CONF. GUIDEBOOK, P. 279-286.}{Deposit:: NELSON, A.P., (NO DATE), MINING DISTRICTS, PRODUCING MINES AND PROSPECTIVE PROPERTIES (OF GUNNISON COUNTY): COLORADO STATE PLAN. COMM. UNPUB. REPT., P. 5-6.}{Deposit:: BLM MINERAL SURVEY MS 8973}
ReporterSchwochow, Stephen D.