Porter Mine

The Porter Mine is a gold mine located in Granite county, Montana at an elevation of 7,159 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

Name: Porter Mine

State:  Montana

County:  Granite

Elevation: 7,159 Feet (2,182 Meters)

Commodity: Gold

Lat, Long: 46.25222, -113.20417

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 Porter Mine

Porter Mine MRDS details

Site Name

Primary: Porter Mine


Commodity

Primary: Gold


Location

State: Montana
County: Granite
District: Red Lion-Hidden Lake 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

Not available


Ownership

Not available


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: Flint Creek Range


Mineral Deposit Model

Not available


Orebody

Form: TABULAR


Structure

Type: R
Description: Philipsburg Batholith

Type: L
Description: Philipsburg Batholith


Alterations

Alteration Type: L
Alteration Text: Oxidation


Rocks

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

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


Analytical Data

Not available


Materials

Not available


Comments

Comment (Location): E SIDE OF THE N FORK FLINT CREEK ; INFO FROM LAND.ST :(1971)

Comment (Production): A FEW TONS OF OXIDE GOLD ORE HAVE BEEN PRODUCED

Comment (Workings): INCLINED SHAFT, WINZE


References

Reference (Deposit): MBMG BULL 84, P. 42, 44, 45.

Reference (Deposit): USGS PP 78.

Reference (Deposit): 1906 GEOLMAP EMMONS AND CALKINS

Reference (Deposit): 1968 GEOLMAP MBMG F. N. EARLL

Reference (Production): MBMG BULL. 84


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.