| Deposit ID | 10105706 |
|---|---|
| MRDS ID | W014380 |
| Record type | Site |
| Current site name | Bear Valley Placers |
| Geographic coordinates: | -115.40178, 44.37071 (WGS84) |
|---|---|
| Elevation | 1981 |
| Relative position | 23 MI NE LOWMAN |
Political divisions (FIPS codes)
Valley(county)
Idaho(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Cache Creek(quadrangle 1:24,000 scale)
Deadwood River(quadrangle 1:100,000 scale)
Challis(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Middle Fork Salmon(hydrologic unit)
Salmon(hydrologic accounting unit)
Lower Snake(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Boise National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Idaho | Valley |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Boise | 012N | 009E | 17 | Idaho |
| Commodity | Importance |
|---|---|
| Niobium (Columbium) Critical | Primary |
| Tantalum Critical | Primary |
| REE Critical | Primary |
| Uranium | Primary |
| Titanium Critical | Tertiary |
| Radium | Tertiary |
| Thorium | Tertiary |
| Materials | Type of material |
|---|---|
| Columbite | Ore |
| Euxenite | Ore |
| Garnet | Ore |
| Ilmenite | Ore |
| Magnetite | Ore |
| Monazite | Ore |
| Tantalite | Ore |
| Zircon | Ore |
| Result | SAMPLES FOUND EUXENITE AVE 1.0 LB / C. Y., COLUMBITE AVE 0.2 LB / C.Y., MONAZITE 0.5 LB/C.Y. |
|---|---|
| Result | GRAVEL: 20-130 LB BLACK SAND/CY. { OTHER SAMPLES FOUND 0.05 LB ZIRCON/CY, 13 LB. GARNET/CY., 28 LB ILMENITE/C.Y., 7 LB MAGNETITE/C.Y. |
| Result | FROM EUXENITE: CB2O5 23.29%, TA2O 1.5 - 3%, TIO2 22-26%, 2 - 16% U3O8, 2.5 - 5% THO2 |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||||||
| Rock unit name | Idaho Batholith-Quartz Diorite;Pegmatite, Aplite Dikes | ||||||||
| Rock description | Idaho Batholith-Quartz Diorite;Pegmatite, Aplite Dikes | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Unconsolidated Deposit > Alluvium |
| Rock unit name | Alluvium |
| Rock description | Alluvium |
| (1) | -115.40178, 44.37071 |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Year of first production | 1955 |
| District name | Unorganized District; Bear Valley Area |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | Boise National Forest |
| Type | Operator |
|---|---|
| Owner | Porter Brothers Corp. |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W014380 | |
| Idaho Geological Survey | Idaho Mines and Prospects | IMP | CH_693 | http://www.idahogeology.org/ |
ENG. MINING JOURNAL, MARCH, 1958.
DAYTON, S. H., 1958, RADIOACTIVE BLACK SAND IS YIELDING COLUMBITE CONCENTRATE AT IDAHO MILL: MINING WORLD, MAY, 1958.
MINING WORLD, JANUARY, 1958.
SAVAGE, C. N., 1961, METAL FROM BLACKSANDS: SELECTED TECHNOLOGIC AND ECONOMIC DATA: IDAHO BUREAU OF MINES AND GEOLOGY INF. CIRC. 10, 34 P.
1961 OTHER IDAHO BUREAU OF MINES AND GEOLOGY INF. CIRC. 1
SAVAGE, C. N., 1961, IDAHO BUREAU OF MINES AND GEOLOGY INF CIRC. 10, P. 18.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1976 | Siefken, Robert R. (Miller, Pat) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.