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
Elevation: 4,199 Feet (1,280 Meters)
Commodity: REE
Lat, Long: 45.4144, -114.21860
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.
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" 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.
