Union - Companion Prospect

The Union - Companion Prospect is a mine located in Custer county, Idaho at an elevation of 5,801 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: Union - Companion Prospect  

State:  Idaho

County:  Custer

Elevation: 5,801 Feet (1,768 Meters)

Commodity:

Lat, Long: 44.2572, -114.41140

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 Union - Companion Prospect

Union - Companion Prospect MRDS details

Site Name

Primary: Union - Companion Prospect
Secondary: Union
Secondary: Companion


Commodity

Tertiary: Lead


Location

State: Idaho
County: Custer
District: Bayhorse District


Land Status

Land ownership: BLM Administrative Area
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.


Holdings

Not available


Workings

Type: Surface/Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Prospect
Operation Type: Surface-Underground
Discovery Year: 1926
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: Salmon River Mountains


Mineral Deposit Model

Not available


Orebody

Form: STRINGERS


Structure

Not available


Alterations

Not available


Rocks

Name: Quartzite
Role: Host
Age Type: Host Rock Unit
Age Young: Late Ordovician

Name: Quartzite
Role: Host
Age Type: Host Rock
Age Young: Late Ordovician


Analytical Data

Not available


Materials

Ore: Galena
Gangue: Quartz


Comments

Comment (Location): S Side of Salmon R.


References

Reference (Deposit): Ross, C. P., 1937, Geology And Ore Deposits Of The Bayhorse Region, Custer County, Idaho: USGS Bulletin 877, 161 P


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.