Mahan Mine

The Mahan Mine is a zinc and lead mine located in Custer county, Idaho at an elevation of 8,399 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

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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: Mahan Mine

Commodity

Primary: Zinc
Primary: Lead
Tertiary: Gold
Tertiary: Copper

Location

State: Idaho
County: Custer
District: Sheep Mountain 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.
Administrative Organization: Challis National Forest

Holdings

Type: Located Claim

Workings

Not available

Ownership

Owner Name: Patrick D. Whelan
Percent: 100.0
Home Office: Idaho
Info Year: 1982

Owner Name: E. H. Hasbrouck, Mrs. Mary Ridenbaugh

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Underground
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Salmon River Mountains

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Pennsylvanian

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Pennsylvanian

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous

Analytical Data

Not available

Materials

Ore: Galena
Ore: Sphalerite
Gangue: Siderite
Gangue: Quartz
Gangue: Pyrite

Comments

Comment (Location): SW Slope Sheep Mtn.

Comment (Workings): 1 Tunnel

References

Reference (Deposit): Umpleby, J. B. And D.C. Livingston, 1920, A Reconnaissance In South Central Idaho, Embracing The Thunder Mountain, Big Creek, Stanley Basin, Sheep Mountain, And Seafoam Districts. Idaho Bureau Of Mines And Geology, Bulletin No. 3

Reference (Production): Umpleby, J. B., And Livingston, D. C., 1920, Ida. Bureau Of Mines & Geol. Bulletin 3, 23 P.

Reference (Deposit): Ridenour, J., And Others, 1985, Mineral Resources And Occurrences In Part Of The Frank Church-River Of No Return Wilderness, Custer, Idaho, Lemhi, And Valley Counties, Idaho: U.S. Bureau Of Mines Open-File Report MLA 64-85, P. 74.

Reference (Deposit): Leszcykowski, A.M., Lowe, N.T., Ridenour, James, And Willett, S.L., 1983, Mines And Prospects In The Sheep Mountain Mining District, Custer County, Idaho: U.S. Bureau Of Mines Open-File Report MLA 89-83, Map No. 3, Appendix.

Reference (Deposit): Rose, Clyde P., 1930, Geology And Ore Deposits Of The Seafoam, Alder Creek, Little Smoky, And Willow Creek Mining Districts, Custer And Camas Counties, Idaho.

Reference (Deposit): Idaho Bureau Of Mines And Geology, Pamphlet No. 33.

Reference (Deposit): Treves, Samuel B. And John D. Melear, 1953, The Geology And Ore Deposits Of The Seafoam Mining District, Custer County Idaho. Idaho Bureau Of Mines And Geology, Pamphlet No. 96

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.