Mine detail: Ironcap Mine

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

Location:	Gunnison County, Colorado, United States, North America
Lat / long:	38.34556, -107.08674
dep_id:	10014414
mrds_id:	D011168
Commodity type:	metallic
Major mineral:	Gold, Silver
Trace mineral:	Copper, Zinc, Lead
Operation type:	Unknown
Production size:	Small ammount of material produced
Development status:	Past Producer
ore:	Chalcopyrite, Galena, Pyrite, Sphalerite
gangue:	Actinolite, Calcite, Epidote, Magnetite, Malachite, Quartz
alteration:	Alteration Of Mafic Volcanics To Calcite And Epidote
ore_ctrl:	Folded Metamorphosed Chert Layer; Calcite Alteration Of Mafic Volcanics
Reporter:	Schwochow, Stephen D.
hrock_unit:	Dubois Greenstone--Hornblende Schist And Amphibolite;Dubois Greenstone--Quartzite
hrock_type:	Quartzite,Schist,Amphibolite
arock_unit:	Basalt, Gabbro;Trachyte
arock_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)
References:	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