Dissett Mines

The Dissett Mines is a phosphorus-phosphates mine located in Granite county, Montana at an elevation of 5,669 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: Dissett Mines
Secondary: Red Hill Mines

Commodity

Primary: Phosphorus-Phosphates
Tertiary: Fluorine-Fluorite
Tertiary: Uranium

Location

State: Montana
County: Granite

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 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

Not available

Ownership

Not available

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

Not available

Comments

Comment (Deposit): PROPERTY CONSISTS OF 80 ACRES. FROM 1946-48 11000 ST WAS MINED, 30% P205. WORKINGS CONSIST OF 1100 FT OF CROSSCUTS AND DRIFTS, AND |2 SHAFTS TO SURFACE PHOSPHORIA FORMATION IS ON THE NOSE AND E LIMB OF WYMAN GULCH SYNCLINE. BEDS STRIKE N10E AND DIP 40NE. RETORyT MEMBE IS 12-20 FT THICK OF INTERBEDDED SHALES AND PHOSPHORITES. HANGING AND FOOTWALLS ARE SOFT SHALE AND CLAY, SQUARE SET TIMBERING IS REQUIRED. MINEABLE DECTION IS 36 INCHS OF 28-30 P205, STRIKE LENGTH 350 FT, 100 FT UP DIP FROM ADIT LEVEL. BED IS 6.9 FT THICK AT 25.6% P205, 10.25 FT THICK AT 18.5% P205. SAMPLE LOT 1386 FROM PROF PAPER 313-F IS LOCATED HERE.

References

Reference (Deposit): ENG AND MINING JOURNAL, JULY 1949, P. 133

Reference (Deposit): 313-F, P 797.

Reference (Deposit): PERMIAN ROCKS IN CENTRAL WESTERN MONTANA: USGS PROF. PAPER

Reference (Deposit): LUFT, STANLEY, 1958, NORTHERN PACIFIC RAILWAY COMPANY,

Reference (Deposit): INDUSTRY AND ITS RESOURCES, PART 2, MONTANA, USBM RI 6611.

Reference (Deposit): MBM G MEM 20, 1940 P.32

Reference (Deposit): POPOFF, C.C., 1965, AN EVALUATION OF THE WESTERN PHOSPHATE

Reference (Deposit): SWANSON, R.W., 1973, GEOLOGY AND PHOSPHATE DEPOSITS OF THE

Reference (Deposit): REPORT.

Reference (Deposit): PROPERTIES AND INDUSTRIAL DEVELOPMENT DEPARTMENT, PHOSPHATE

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.