Commodities
PrimaryIron
Commodity typeM
Deposit
Deposit typeReplacement
Model72: Polymetallic replacement
Deposit sizeN
Ore controlFavorability Of Limestone For Chemical Replacement
Materials
Ore mineralsMagnetite
GangueAugite, Epidote, Garnet, Hematite, Limonite, Martite, Pyrite
Geology
Host rockLimestone · Pony Express Limestone Member Of Wanakah Formation
Associated rockMonzonite,Diorite · Nonporphyritic Rocks--Monzonite;Porphyritic Rocks--Diorite-Monzonite Porphyry
StructureSan Juan Uplift, Four Corners Platform, La Plata Dome
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationFe Oxidation
Economic & production
Development statusOccurrence
Identification
Deposit ID10094663
MRDS IDD010801
RegionNA
Data scoreB
Coordinates37.42751, -108.07621
References
HARRER, C.M., AND TESCH, W.J., JR., 1959, RECONNAISSANCE OF IRON OCCURRENCES IN COLORADO: USBM IC-7918, P. 48.ECKEL, E.B., AND OTHERS, 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219.