Snowfall Prospect

The Snowfall Prospect is a silver and copper mine located in Lincoln county, Montana at an elevation of 4,160 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: Snowfall Prospect

Commodity

Primary: Silver
Primary: Copper
Secondary: Gold

Location

State: Montana
County: Lincoln
District: Cabinet 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

Not available

Workings

Type: Surface/Underground

Ownership

Owner Name: Clyde Roark, Blaze And John Echo

Production

Not available

Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
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: Cabinet Mountains

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Type: R
Description: General Structural Grain Of Northward Trending Faults Which Are Parallel To Subparallel To Folds

Alterations

Not available

Rocks

Name: Argillite
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic

Analytical Data

Analytical Data: GRAB VEIN SAMPLE FROM THE DISCOVERY PIT ASSAYED 0.03 OZ/TON AU, 2.20 OZ/TON AG AND 1.00 % CU

Materials

Ore: Chalcopyrite
Gangue: Quartz
Gangue: Siderite
Gangue: Pyrite

Comments

Comment (Location): NEAR TRIBUTARY OF THE SILVER BUTTE FISHER RIVER

Comment (Deposit): VEIN EXPOSED BY DISCOVERY PIT. SPARSE ORE MINERALS WERE FOUND ON THE DUMP WITHIN THE RELOCATED GROUND.

Comment (Development): ONE UNPATENTED CLAIM. GROUND WAS RELOCATED IN MAY 1955 .

Comment (Workings): DEVELOPMENT ON RELOCATED GROUND CONSISTED OF A CAVED ADIT AND A DISCOVERY PIT, 20 BY 10 BY 6 FT. ORIGINAL WORKINGS CONSISTED OF TWO OR MORE ADITS, NOW CAVED.

Comment (Geology): NEAR PRICHARD-RAVALLI CONTACT ; GEOL.DESC: 8 INCH QTZ VEIN, ASSAYED 1.0% CU, 0.03 OZ AU, 2.20 OZ AG PER TON

References

Reference (Analytical Data): SRC.REF: JOHNS, WILLIS, 1970 : MONTANA BUR MINES AND GEOLOGY BULL. 79 , P. 125 .

Reference (Deposit): JOHNS, W. M., 1962 , GEOLOGIC INVESTIGATIONS IN THE KOOTENAI-FLATHEAD AREA NORTHWEST MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY BULL. 29 , P. 23 .

Reference (Deposit): JOHNS, W. M., 1970 , GEOLOGY AND MINERAL DEPOSITS OF LINCOLN AND FLATHEAD COUNTIES, MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY BULL. 79 , P. 125 .

Reference (Deposit): CONSV. DIV. COMP. DATE, 01-11-1963

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.