H. R. Roberts' Claims

The H. R. Roberts' Claims is a ree mine located in Lemhi county, Idaho at an elevation of 4,199 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: H. R. Roberts' Claims  

State:  Idaho

County:  Lemhi

Elevation: 4,199 Feet (1,280 Meters)

Commodity: REE

Lat, Long: 45.4144, -114.21860

Map: View on Google Maps

Satelite View

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Satelite image of the H. R. Roberts' Claims

H. R. Roberts' Claims MRDS details

Site Name

Primary: H. R. Roberts' Claims
Secondary: Roberts' Claims


Commodity

Primary: REE
Secondary: Thorium
Tertiary: Titanium
Tertiary: Phosphorus-Phosphates
Tertiary: Copper


Location

State: Idaho
County: Lemhi
District: Indian Creek 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: Salmon National Forest


Holdings

Not available


Workings

Not available


Ownership

Owner Name: H. R. Roberts, Helen M. Roberts

Owner Name: Kenneth White


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Surface
Discovery Year: 1948
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: Bitterroot Mountains


Mineral Deposit Model

Not available


Orebody

Form: POCKETS, SMALL BLEBS, SCATTERED PODS


Structure

Type: L
Description: Box Work


Alterations

Not available


Rocks

Name: Rhyolite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic

Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Rhyolite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene

Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene


Analytical Data

Analytical Data: 2 SAMPLES ACROSS MARBLE ASSAYED 21.5 AND 14.0% COMBINED RAE OXIDES PLUS THORIA, 11.6 AND 4.73 %


Materials

Ore: Allanite
Ore: Ilmenite
Ore: Monazite
Ore: Chalcopyrite
Gangue: Quartz
Gangue: Pyrite
Gangue: Calcite
Gangue: Magnetite
Gangue: Apatite
Gangue: Iron
Gangue: Actinolite
Gangue: Limonite
Gangue: Sphene
Gangue: Barite


Comments

Comment (Commodity): Very high grade pockets of monazite. Large black nodules of massive ilmenite in marble in one pit

Comment (Location): N. of Salmon River about .5 mi across highway from Reese Ranch; Just over ridge separating Squaw Creek from the Salmon River, directly opposite mouth of Papoose Creek.

Comment (Development): 7 claims

Comment (Deposit): Strike and dip above - monazite bearing marble. Deposit in schist and gneiss strikes N 50 Deg W, dips 50 to 60 Deg NE

Comment (Geology): Schist and gneiss enclosing marble north of first prospect hole strikes N 50 Deg W, dips 50 Deg NE.


References

Reference (Deposit): Abbott, A. T., 1954, Monazite Deposits In Calcareous Rocks, Northern Lemhi County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 99, 24 P.

Reference (Deposit): Anderson, A. L., 1958, Uranium, Thorium, Columbium, And Rare Earth Deposits In The Salmon Region, Lemhi County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 115, 81 P.

Reference (Deposit): Sturm, F. H., 1954, General Geology Of Some Replacement Monazite Deposits In Lemhi County, Idaho: Moscow, Idaho, Univ. Of Idaho, M. S. Thesis, 64 P.

Reference (Deposit): 1954 Recon Idaho Bureau Of Mines And Geology Pamphlet 99

Reference (Deposit): 1958 Recon Idaho Bureau Of Mines And Geology Pamphlet 115


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: Where to Find Gold in Idaho.