M&I

The M&I is a silver, lead, and zinc mine located in Cascade county, Montana 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

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: M&I
Secondary: Florence-Queen
Secondary: Florence Mine

Commodity

Primary: Silver
Primary: Lead
Primary: Zinc

Location

State: Montana
County: Cascade
District: Neihart Mining 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.

Holdings

Type: Patented

Workings

Not available

Ownership

Owner Name: Monarch Co., Inc.
Company ID: 2401710
Percent: 99.00
Home Office: Montana
Info Year: 1978

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Mining Method: Unknown
Year First Production: 1893
Discovery Year: 1886
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

Unknown: Ankerite
Unknown: Sphalerite
Unknown: Quartz
Unknown: Pyrite
Unknown: Proustite
Unknown: Polybasite
Unknown: Galena
Unknown: Chalcopyrite
Unknown: Barite
Unknown: Tetrahedrite

Comments

Not available

References

Reference (Deposit): MBM G BULL 95 1975 P6

Reference (Deposit): MBM & G BULL.100

Reference (Deposit): MBM & G MEM 20, 1940 P.16

Reference (Deposit): MBM & G MEM 13 P.34

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.