Coyle Mine

The Coyle Mine is a manganese and silver mine located in Granite county, Montana.

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

Name: Coyle Mine

State:  Montana

County:  Granite

Elevation:

Commodity: Manganese, Silver

Lat, Long: 46.32694, -113.26500

Map: View on Google Maps

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.


Satelite image of the Coyle Mine

Coyle Mine MRDS details

Site Name

Primary: Coyle Mine
Secondary: John Coyle and Torrit Claims


Commodity

Primary: Manganese
Primary: Silver


Location

State: Montana
County: Granite
District: Philipsburg (Granite-Flint Creek) District


Land Status

Not available


Holdings

Not available


Workings

Type: Underground


Ownership

Owner Name: Mrs. Lalor


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1876
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Flint Creek Range


Mineral Deposit Model

Not available


Orebody

Form: FLATTENED PIPE, PODLIKE


Structure

Type: R
Description: Philipsburg Batholith

Type: L
Description: Philipsburg Anticline, Philipsburg Overthrust


Alterations

Not available


Rocks

Name: Limestone
Role: Host
Age Type: Host Rock
Age Young: Late Cambrian


Analytical Data

Analytical Data: 1 % PB
Analytical Data: 0.25% P
Analytical Data: 17.5% SIO2
Analytical Data: 43.5% MN


Materials

Ore: Manganite
Ore: Silver
Ore: Psilomelane
Gangue: Quartz


Comments

Comment (Workings): AN ADIT NEAR LEVEL OF FROST CREEK, ANOTHER ADIT IS CONNECTED AND A SHAFT, RAISES, STOPES. WATER LEVEL 50 FT BELOW ADIT

Comment (Location): N SLOPE OF FRANKLIN HILL, ABOVE FROST CREEK.

Comment (Development): FIRST WORKED FOR AG.

Comment (Deposit): 25-100 FT IN DIAMETER AND 300 FT IN PITCH LENGTH. IT PITCHES STEEPLY NW.


References

Reference (Production): USGS BULL 725, P. 161-62.

Reference (Deposit): USGS BULL 922-G, P. 204.

Reference (Deposit): USGS BULL 1237, P. 31-57.

Reference (Deposit): USGS BULL 725, P. 16D-61.


Principal Gold Districts of Montana

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.