The Homstake Mine is a zinc and lead mine located in Granite county, Montana.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation:
Primary Mineral: Zinc, Lead
Lat, Long: 46.49778, -113.08472
Active Mining Claims
Claim data is for Mines level premium members.
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Homstake Mine MRDS details
Site Name
Primary: Homstake MineCommodity
Primary: ZincPrimary: Lead
Secondary: Copper
Secondary: Gold
Secondary: Silver
Location
State: MontanaCounty: Granite
District: Dunkleberg District
Land Status
Land ownership: National ForestHoldings
Workings
Ownership
Owner Name: Oscar J. Durand
Home Office: Hall, Mt.
Home Office: Hall, Mt.
Production
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain SystemPhysiographic Province: Northern Rocky Mountains
Physiographic Detail: Flint Creek Range
Mineral Deposit Model
Orebody
Structure
Type: R
Description: Dunkleberg Anticline
Description: Dunkleberg Anticline
Type: L
Description: Royal Stock
Description: Royal Stock
Alterations
Rocks
Name: Argillite
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous
Name: Argillite
Role: Host
Age Type: Host Rock Unit
Age Young: Late Cretaceous
Role: Host
Age Type: Host Rock Unit
Age Young: Late Cretaceous
Analytical Data
Analytical Data: 0.45-11.0% ZN, 0.05-0.6% PB, TRACT TO 0.43% CU, TRACE TO 0.04 OZ/TON AG, TRACE AU
Materials
Ore: Sphalerite
Ore: Galena
Gangue: Pyrite
Comments
| Comment Type: Deposit |
Comment: THE ZONE IS FORMED BY A SERIES OF CLOSELY SPACED OBLIQUE-SLIP BEDDING-PLANE FAULTS. THE FAULTING PRODUCED DRAG FOLDING. THE THIN BEDDED LIMY STRATA ARE IRREGULARLY ALTERED AND MINERALIZED. THE ZONE CLOSELY FOLLOWS THE W CONTACCT OF A MASSIVE BLUE-GRAY LIMESTONE. |
| Comment Type: Location |
Comment: INFO FROM LAND.ST :(1971) |
| Comment Type: Workings |
Comment: TUNNEL, PITS, TRENCHES |
| Comment Type: Geology |
Comment: THE ANTICLINE HAS A NORTHWARD TREND AND PLUNGE. |
References
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Reference Category: Deposit
|
Reference: USBM RI 5014, P. 16, FIG. 4A
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