El Dorado Bar

The El Dorado Bar is a sapphire and gold mine located in Lewis and Clark county, Montana at an elevation of 3,681 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: El Dorado Bar  

State:  Montana

County:  Lewis and Clark

Elevation: 3,681 Feet (1,122 Meters)

Primary Mineral: Sapphire, Gold

Lat, Long: 46.7228, -111.84390

Map: View on Google Maps

Satelite View


Satelite image of the El Dorado Bar

El Dorado Bar MRDS details

Site Name

Primary: El Dorado Bar
Secondary: Eldorado Bar


Commodity

Primary: Sapphire
Primary: Gold


Location

State: Montana
County: Lewis and Clark
District: Missouri River


Land Status

Land ownership: Unknown
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 indicate a claim status and does not necessarily indicate an area is open to prospecting.


Holdings

Not available


Workings

Not available


Ownership

Owner Name: Sam Speerstra
Home Office: Montana
Info Year: 1990


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Placer
Mining Method: Alluvial Mining
Milling Method: Washing
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: M


Physiography

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


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Not available


Comments

Not available


References

Reference (Deposit): MBMG, MEMOIR 26, 1948, PP. 68-69.