Lakeshore Mine

The Lakeshore Mine is a gold, silver, lead, and copper mine located in Madison county, Montana at an elevation of 8,599 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: Lakeshore Mine
Secondary: Gladstone

Commodity

Primary: Gold
Primary: Silver
Primary: Lead
Primary: Copper
Tertiary: Arsenic

Location

State: Montana
County: Madison
District: Sheridan (Wisconsin Creek) District

Land Status

Land ownership: Private
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

Owner Name: Piedmont Co.
Home Office: Reno Nv.

Owner Name: Mader, William H.

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Tobacco Root Mountains

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Type: R
Description: Tobacco Root Batholith

Type: L
Description: Strong Fissures Trend N 30 E, 80 W.

Alterations

Alteration Type: L
Alteration Text: Hypogene Alteration Of Ne Vein, Gouge

Rocks

Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous

Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoarchean

Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Neoarchean

Analytical Data

Not available

Materials

Ore: Chalcopyrite
Gangue: Pyrite
Gangue: Quartz

Comments

Comment (Location): ABOVE NORTH SHORE OF CRYSTAL LAKE

Comment (Development): 10-STAMP MILL, 100-TON CONCENTRATOR ; ECON.COM: HIGH ALTITUDE-STEEP, ROUGH MOUNTAIN ROAD.

Comment (Deposit): PROPERTY WAS ORIGINALLY DEVELOPED UPON A 3-FT VEIN AT 9000 FT, TRENDING N 86 E, 40 N. VEIN TRENDING N 30 E AT 8600 FT. IS STRAIGHT, WELL DEFINED AND APPEARS PERSISTANT. (U.S.G.S. BULL. 574)

Comment (Workings): A SERIES OF ADITS OPENED THE N 86 E VEIN AND WORKED A NUMBER OF SMALL, NARROW, HIGH-GRADE SULPHIDE ORE-SHOOTS. NORTHEASTERLY DRIFTS ON THE LOWER VEIN ATTEMPTED DEEPER DEVELOPMENT OF THE SAME SHOOTS.

Comment (Geology): GEOL.DESC: SMALL, NARROW HIGH-GRADE SULFIDE ORE.

Comment (Deposit): DEVELOPED BUT UNECONOMIC ; INFO.SRC : 1 PUB LIT

References

Reference (Deposit): 1914 RECON WINCHELL, A.N., U.S.G.S. BULLETIN 574

Reference (Deposit): CONSV. DIV. COMP. DATE, 05-28-1963

Reference (Deposit): USGS BULL 574, P. 136.

Reference (Deposit): MBMG MEM 9, P. 42.

Reference (Deposit): USBM IC 6972, P. 67.

Reference (Deposit): 1937 RECON U.S. BUREAU OF MINES, INF. CIRC. 6972

Reference (Production): U.S. BUREAU OF MINES INF. CIRC. 6972.

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.