Idaho Manganese Mining Company Mine

The Idaho Manganese Mining Company Mine is a manganese mine located in Franklin county, Idaho at an elevation of 5,299 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: Idaho Manganese Mining Company Mine
Secondary: Cleveland Mine
Secondary: Mc Gregor Ranch Deposit

Commodity

Primary: Manganese

Location

State: Idaho
County: Franklin
District: Cleveland Area

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

Type: Surface/Underground

Ownership

Owner Name: Mc Gregor, W. C.
Years: 1928 -

Owner Name: Idaho Manganese Co. ( 1928 )

Production

Year: 1927
Time Period: 1925 - 1927
Material type: ORE
Description: Cp_Grade: ^Ave. 45 % Mno2 By Weight, Tenor Of Ore Ranged 21.22 - 57.12 % Mn

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1925
Discovery Year: 1922
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Middle Rocky Mountains
Physiographic Detail: Bear River Range

Mineral Deposit Model

Not available

Orebody

Form: IRREGULAR, LENS

Structure

Type: L
Description: Numerous Minor Faults

Alterations

Alteration Type: L
Alteration Text: Fe Staining

Rocks

Name: Clay, Mud
Role: Host
Age Type: Host Rock
Age Young: Pleistocene

Name: Clay, Mud
Role: Host
Age Type: Host Rock Unit
Age Young: Pleistocene

Analytical Data

Analytical Data: ORE RANGES FROM 37 % - 47 % MN

Materials

Ore: Wad
Ore: Psilomelane
Ore: Pyrolusite
Gangue: Limonite
Gangue: Quartz
Gangue: Calcite

Comments

Comment (Reserve-Resource): ESTIMATE ABOVE FOR LOWEST ZONE, TOTALS ABOUT 3000 TONS ORE / ACRE

Comment (Location): LOCATION APPROXIMATE, PLOTTED FROM HEWETT AND OTHERS ( 1963 ) VINCENT ( 1952 ), AND BRIGHT ( 1960 ) ; HEWETT ( 1928 ) PLACES THIS DEPOSIT IN T 11 S, R 40 E

Comment (Development): ECON.COM: BRIGHT ( 1960 ) BELIEVES ORE PROBABLY DEPLETED AND NOT WORTHY OF MORE DEVELOPMENT

Comment (Deposit): USBM ( 1952 ) CALLS MN A REPLACEMENT DEPOSIT

Comment (Workings): CONSISTS OF 3 TUNNELS, 1500 FT DIAMOND DRILL HOLES

References

Reference (Deposit): HEWETT, C. F., 1928 , A MANGANESE DEPOSIT OF PLEISTOCENE AGE IN BANNOCK COUNTY, IDAHO, IN CONTRIBUTIONS TO ECONOMIC GEOLOGY 1927 : USGS BULL. 795 - H, P. 211 - 221

Reference (Deposit): HEWETT, D. F., AND OTHERS, 1963 , DEPOSITS OF THE MANGANESE OXIDES, SUPPLEMENT: ECON. GEOL., V. 58 , NO. 1 , P. 1 - 51

Reference (Deposit): VINCENT, K. C., AND HOLMES, D. T., 1952 , CONCENTRATION OF OXIDE MANGANESE ORES FROM THE VICINITY OF CLEVELAND, BANNOCK COUNTY, IDAHO: USBM REPT. INV. 4884 , 14 P.

Reference (Deposit): BRIGHT, R. C., 1960 , GEOLOGY OF THE CLEVELAND AREA, SOUTHEASTERN IDAHO: SALT LAKE CITY, UTAH, UNIV. OF UTAH, M. S. THESIS, 262 P.

Reference (Deposit): 1928 RECON C. F. HEWETT, BULL. 795 - H

Reference (Deposit): 1952 OTHER USBM REPT. INV. 4884

Reference (Production): BRIGHT, R. C., 1960 , UNIV. OF UTAH, M. S. THESIS, P. 200

Reference (Reserve-Resource): HEWETT, D. F., 1928 , USGS BULL. 795 - H, P. 218

Idaho Gold

"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: Where to Find Gold in Idaho.