Brownlee Manganese Prospect

The Brownlee Manganese Prospect is a mine located in Washington county, Idaho at an elevation of 5,000 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: Brownlee Manganese Prospect  

State:  Idaho

County:  Washington

Elevation: 5,000 Feet (1,524 Meters)

Primary Mineral:

Lat, Long: 44.7894, -116.86420

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 Brownlee Manganese Prospect

Brownlee Manganese Prospect MRDS details

Site Name

Primary: Brownlee Manganese Prospect


Commodity

Tertiary: Manganese


Location

State: Idaho
County: Washington
District: Unorganized District, Cambridge Area


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.
Administrative Organization: Payette National Forest


Holdings

Not available


Workings

Type: Surface


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1953
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Payette Section
Physiographic Detail: Cuddy Mountains


Mineral Deposit Model

Not available


Orebody

Form: LENTICULAR, DISCONTINUOUS


Structure

Type: L
Description: Brecciation


Alterations

Alteration Type: L
Alteration Text: Sericitic


Rocks

Name: Phyllite
Role: Host
Age Type: Host Rock
Age Young: Late Triassic

Name: Phyllite
Role: Host
Age Type: Host Rock Unit
Age Young: Late Triassic


Analytical Data

Analytical Data: 25% MN, WITH SILICA THE MAIN IMPURITY


Materials

Ore: Pyrolusite
Gangue: Quartz


Comments

Comment (Location): LOCATED ON SOUTH SIDE OF CUDDY MOUNTAIN.

Comment (Commodity): NOT ENOUGH TONNAGE TO MAKE A MINE.

Comment (Workings): A BULLDOZER CUT OF 20 FEET IS THE EXTENT OF WORK DONE.

Comment (Geology): PHYLLITE IS A METAMORPHOSED CALCAREOUS SHALE. PHYLLITES DIP WEST.


References

Reference (Deposit): COOK, E. F., 1954, MINING GEOLOGY OF THE SEVEN DEVILS REGION: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 97, 22 P

Reference (Deposit): 1954 COMPILE IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 9


Idaho Gold

Where to Find Gold in Idaho

"Where to Find Gold in Idaho" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Idaho. Read more at Where to Find Gold in Idaho.