Commodities
PrimaryIron
SecondaryGold, Silver
Commodity typeM
Deposit
Deposit typeReplacement
Model62: Skarn Fe
Deposit sizeS
Orebody formmoderately dipping layer
Ore controlFault, Igneous Intrusion
Materials
Ore mineralsHematite, Magnetite
GangueCalcite, Chlorite, Epidote, Garnet
Geology
Host rockLimestone · Minturn Formation
Associated rockMonzonite · Monzonite Porphyry
StructureSierra Blanca Massif, Ft. Garland Embayment, Vega Cr. Anticline, Wagon Mesa Fault
Tectonic settingCentral Cordillera (Southern Rocky Mtns.)
Economic & production
Development statusPast Producer
Identification
Deposit ID10011663
MRDS IDD006732
Alternate namesStoddard Mine
RegionNA
Data scoreB
Coordinates37.61113, -105.27612
References
PATTON, H.B., AND OTHERS, 1910, GEOLOGY OF THE GRAYBACK MINING DISTRICT, COSTILLA COUNTY, COLORADO: CGS BULL. 2.WARNER, L.A., AND OTHERS, 1959, OCCURRENCE OF NONPEGMATITIC BERYLLIUM IN THE UNITED STATES: USGS PROF. PAPER 318, P. 165.HARRER; C.M., AND TESCH, W.J., JR., 1959, RECONNAISSANCE OF IRON OCCURRENCES IN COLORADO: USBM 1C-7918, P. 22.