H and M Prospects

The H and M Prospects is a uranium mine located in Custer county, Idaho at an elevation of 7,999 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: H and M Prospects
Secondary: Genesis
Secondary: H & M

Commodity

Primary: Uranium
Tertiary: Mercury

Location

State: Idaho
County: Custer
District: Stanley 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

Not available

Workings

Not available

Ownership

Owner Name: John Halverson And Kenneth Morgan

Production

Not available

Deposit

Record Type: Site
Operation Category: Prospect
Operation Type: Surface
Discovery Year: 1957
Discovery Method: Ore-Mineral In Place
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

Form: LINEAR

Structure

Type: R
Description: Idaho Batholith

Type: L
Description: Fault Zone Striking N 45 Deg W, Dipping 79 Deg S

Alterations

Alteration Type: L
Alteration Text: Silicification

Rocks

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

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

Analytical Data

Analytical Data: MAXIMUM RADIOACTIVITY WAS 0.10 MILLIROENTGENS/HOUR

Materials

Gangue: Chalcedony

Comments

Comment (Workings): Development Consists of Seven Bulldozer Pits, Largest Pit 100 Ft By 25 Ft By 10 Ft

Comment (Commodity): No Metallic Or Secondary Uranium Minerals Have Been Exposed In the Pits

Comment (Location): Se Slope of Potato Mtn

Comment (Development): 16 Claims

References

Reference (Deposit): Choate, Raoul, 1962, Geology And Ore Deposits Of The Stanley Area, Idaho Bureau Of Mines And Geology Pamphlet 126, 120 P.

Reference (Deposit): Tschanz, C. M., And Others, 1974, Mineral Resources Of The Eastern Part Of The Sawtooth National Recreation Area, Custer And Blaine Counties, Idaho: USGS Open - File Rept. 648 P.

Reference (Deposit): Kern, B. F., 1959, Geology Of The Uranium Deposits Near Stanley, Custer County: Idaho Bureau Of Mines And Geology Pamphlet 117, 40 P.

Reference (Deposit): U.S. Bureau Of Mines Open-File Report MLA 6-91, 1991, Table A-3, No. 359, P. 188.

Reference (Deposit): 1962 Geolmap Idaho Bureau Of Mines And Geology Pamphlet 126

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.