Homestake Group

The Homestake Group is a copper, zinc, gold, silver, and lead mine located in Boise county, Idaho at an elevation of 5,200 feet.

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

Name: Homestake Group  

State:  Idaho

County:  Boise

Elevation: 5,200 Feet (1,585 Meters)

Commodity: Copper, Zinc, Gold, Silver, Lead

Lat, Long: 44.035, -115.80060

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.


Satelite image of the Homestake Group

Homestake Group MRDS details

Site Name

Primary: Homestake Group


Commodity

Primary: Copper
Primary: Zinc
Primary: Gold
Primary: Silver
Primary: Lead


Location

State: Idaho
County: Boise
District: Grimes Pass District


Land Status

Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Administrative Organization: Boise National Forest


Holdings

Not available


Workings

Type: Underground


Ownership

Owner Name: Grimes Homestake Gold Mines Consolidated, Inc.


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
Operation Type: Unknown
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Sawtooth Mountains


Mineral Deposit Model

Not available


Orebody

Form: BUNCHES, SEAMS, STRINGERS


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Sericitized


Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Pliocene


Analytical Data

Not available


Materials

Ore: Gold
Ore: Sphalerite
Ore: Galena
Ore: Tetrahedrite
Gangue: Quartz
Gangue: Pyrite


Comments

Comment (Development): 17 CLAIMS

Comment (Workings): 2 TUNNELS


References

Reference (Deposit): ANDERSON, A. L., 1947, GEOLOGY AND ORE DEPOSITS OF BOISE BASIN, IDAHO: USGS BULL. 944-C, P. 119-319

Reference (Deposit): 1947 GEOLMAP ANDERSON, A. L., BULL. 944-C


Idaho Gold

Where to Find Gold in Idaho

"Where to Find Gold in Idaho" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Idaho. Read more: Where to Find Gold in Idaho.