Montana · Park County
Past Producer

Homestake Mine

Park County, Montana, United States
GoldCopperManganese
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold, Copper
SecondaryManganese
Commodity typeM
Deposit
Deposit typeContact Metamorphic
Deposit sizeY
Orebody formFLAT-LYING
Ore controlLimestone Host Rock, Fracture Network
Materials
Ore mineralsChalcopyrite, Copper, Iron
Geology
Host rockLimestone · Gros Ventre Formation Limestone, Shale
Associated rockMonzonite · Monzonite Porphyry
StructureComplex Fracturing
AlterationLimestone Gangue Is Silicified And Highly Altered
Economic & production
Development statusPast Producer
First production1890
Identification
Deposit ID10071328
MRDS IDW014659
Alternate namesParkmont, Excello, Gold Dust
RegionNA
Data scoreB
Coordinates45.05603, -109.94551
References
REED, G. C., 1950, MINES AND MINERAL DEPOSITS (EXCEPT FUELS) PARK COUNTY, MONTANA: U.S. BUREAU OF MINES INF. CIRC. 754REED, 1950, USBM IC 7546, USBM MINERALS YEARBOOKS 1948-1949