Colorado · Gunnison County
Producer

Goose Creek District

Gunnison County, Colorado, United States
SilverCopperGoldArsenicZincManganeseLeadThoriumREE
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver, Copper, Gold
SecondaryArsenic
TertiaryZinc, Manganese, Lead, Thorium, REE
Commodity typeM
Deposit
Deposit typeSTRATABOUND, MASSIVE SULFIDE; VEIN; DISSEMINATION; CHEMICAL PRECIPITATE; PLACER
Deposit sizeS
Ore controlPRECAMBRIAN MASSIVE SULFIDES LOCALIZED IN LAYERS AT TIME OF SUBQUEOUS VOLCANIC DEPOSITION; AU LOCALIZED IN MAGNETITE-BEARING, CHEMICALLY DEPOSITED CHERT LAYERS WITHIN VOLCANIC SEQUENCE; TH LOCALIZED IN LATE VEINS AND FRACTURE-CONTROLLED PORPHYRY DIKES PERIPHERAL TO ALKALIC COMPLEX
Geology
StructureGUNISON GOLD BELT, IRON HILL ALKALIC COMPLEX, TOLVAR PEAK STOCK, CIMARRON FAULT, GUNNISON UPLIFT, SAN JUAN VOLCANIC FIELD
AlterationFE OXIDATION; CHLORITIZATION, SERICITIZATION, AND CALCITIZATION OF METAVOLCANICS AND METASEDIMENTS; ALKALI METASOMATISM OR REPLACEMENT OF WALLROCKS BY ORTHOCLASE IN TH VEINS
Economic & production
Development statusProducer
First production1880
Last production1934
Discovery year1880
Identification
Deposit ID60000384
MRDS IDD011165
RegionNA
Data scoreD
Coordinates38.3506, -107.17893
References
SHERIDAN, D.M., AND OTHERS, 1981, PRECAMBRAIN 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.DROBEC, P.A., 1981, PROTEROZOIC SYNGENETIC MASSIVE SULFIDE DEPOSITS IN THE GUNNISON GOLD BELT, COLORADO, IN EPIS, R.C., AND CALLENDER, J.F., ED., WESTERN SLOPE COLORADO: NEW MEXICO GEOL. SOC. 32D FIELD CONF. GUIDEBOOK, P. 279-286.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.HEDLUND, D.C., AND OLSON, J.C., 1975, GEOLOGIC MAP OF THE POWDERHORN QUADRANGLE, GUNNISON AND SAGUACHE COUNTIES, COLORADO: USGS MAP GQ-1178.OLSON, J.C. AND HEDLUND, D.C., 1973, GEOLOGIC MAP OF THE GATEVIEW QUADRANGLE, GINNISON COUNTY, COLORADO: USGS MAP GQ-1071.HEDLUND, D.C., AND OLSON, J.C., 1961, FOUR ENVIRONMENTS OF THORIUM-NIOBIUM-, AND RARE-EARTH-BEARING MINERALS IN THE POWDERHORN DISTRICT OF SOUTHWESTERN COLORADO: USGS PROF. PAPER 424-B, P. B283-B286.OLSON, J.C., AND HEDLUND, D.C., 1981, ALKALIC ROCKS AND RESOURCES OF THORIUM AND ASSOCIATED ELEMENTS IN THE POWDERHORN DISTRICT, GINNISON COUNTY, COLORADO: USGS PROF. PAPER 1049-C.OLSON, J.C., AND WALLACE, S.R., 1956, THORIUM AND RARE-EARTH MINERALS IN POWDERHORN DISTRICT, GUNNISON COUNTY, COLORADO: USGS BULL. 1027-0.COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.BLM MINERAL SURVEYS