Hartley

The Hartley is a lead, gold, zinc, and silver mine located in Cascade county, Montana at an elevation of 6,243 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: Hartley

Commodity

Primary: Lead
Primary: Gold
Primary: Zinc
Primary: Silver

Location

State: Montana
County: Cascade
District: Elkhorn 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: Neihart Consolidated Silver Mining Co.
Percent: 100.0
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: 1901
Discovery Year: 1883
Years of Production:
Organization:
Significant: N
Deposit Size: S

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: Limonite
Unknown: Polybasite
Unknown: Proustite
Unknown: Pyrargyrite
Unknown: Pyrite
Unknown: Quartz
Unknown: Smithsonite
Unknown: Sphalerite
Unknown: Ankerite
Unknown: Barite
Unknown: Cerargyrite
Unknown: Cerussite
Unknown: Galena

Comments

Comment (Ownership): OWNER LIVES IN GREAT FALLS.

Comment (Reserve-Resource): AG & PB GRADES IN MATRIX FROM 700,PROD. STATS; ZN GRADE ESTIMATED. RESOURCE QUANTITIES ARE ESTIMATES BY EVALUATOR SEE BACK UP FILE.

References

Reference (Deposit): U.S. BUREAU OF MINES IC 7589, 1951, P. 26-27.

Reference (Deposit): MONTANA BUREAU OF MINES AND GEOL. MEMOIR 31, 1950, P. 17.

Reference (Deposit): MONTANA BUREAU OF MINES AND GEOL. MEMOIR 20, 1940, P. 17.

Reference (Deposit): MONTANA BUREAU OF MINES AND GEOL. MEMOIR 13, 1935, P. 42-44.

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.