Bonanza

The Bonanza is a mine located in Powell county, Montana at an elevation of 6,499 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

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.

Site Name

Primary: Bonanza

Commodity

Tertiary: Lead
Tertiary: Zinc
Tertiary: Silver
Tertiary: Gold

Location

State: Montana
County: Powell
District: Zosell

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.

Holdings

Type: Patented

Workings

Type: Underground

Ownership

Owner Name: Vonnie Lupher
Percent: 100.0
Home Office: Montana
Info Year: 1977

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Mining Method: Unknown
Years of Production:
Organization:
Significant: N

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

Unknown: Tetrahedrite
Unknown: Chalcopyrite
Unknown: Sphalerite
Unknown: Quartz
Unknown: Pyrite
Unknown: Galena
Unknown: Arsenopyrite
Unknown: Ankerite

Comments

Comment (Reserve-Resource): GRADES IN MATRIX NO 1 ARE FROM 700, AVERAGE OF PRODUCTION STATISTICS .GRADES IN MATRIX 2 FROM AN ASSAY OF GRAB SAMPLE FROM EMERY M TONNAGE. FIGURES IN MATRIX ARE ESTIMATES OF INVESTIGATOR. SEE DATA IN 120,220,151,251 ARE SUPPORTED IN REPORTS IN BACKUP FILE

References

Reference (Deposit): STEJER,1948,UNPUB MS THESIS,MONT.SCHOOL OF MINES

Reference (Deposit): PARDEE AND SCHRADER,1933,USGS BULL.842,P.279

Reference (Deposit): ROBERTSON,1953,MBMG MEM.34,P.18

Reference (Deposit): MCCLERNAN,1976,MBMG BULL 98,P.19,57

Principal Gold Districts of Montana

In Montana, 54 mining districts have each have produced more than 10,000 ounces of gold. The largest producers are Butte, Helena, Marysville, and Virginia City, each having produced more than one million ounces. Twenty seven other districts are each credited with between 100,000 and one million ounces of gold production. Read more: Principal Gold Districts of Montana.