| Deposit ID | 10070521 |
|---|---|
| MRDS ID | W013487 |
| MAS/MILS ID | 0160590071 |
| Record type | Site |
| Current site name | St. Joe Prospect |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -114.34768, 45.12196 (WGS84) |
| Elevation | 2134 |
| Location accuracy | 100(meters) |
| Relative position | 20 MI. W. OF SALMON, ID. |
Political divisions (FIPS codes)
Lemhi(county)
Idaho(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Blackbird Creek(quadrangle 1:24,000 scale)
Bighorn Crags(quadrangle 1:100,000 scale)
Elk City(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Middle Salmon-Panther(hydrologic unit)
Salmon(hydrologic accounting unit)
Lower Snake(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Salmon-Challis National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Idaho | Lemhi |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Boise | 021N | 018E | 28 | Idaho |
| Commodity | Importance |
|---|---|
| Cobalt Critical | Primary |
| Copper | Primary |
| Gold | Tertiary |
| Nickel Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Cobaltite | Ore |
| Erythrite | Ore |
| Gold | Ore |
| Magnetite | Gangue |
| Pyrite | Gangue |
| Pyrrhotite | Gangue |
| Quartz | Gangue |
| Result | 0.6 - 1.34% CO, 2.4% CU (DUMP SAMPLES) |
|---|---|
| Result | PYRRHOTITE CARRIED $18 AU/TON, MINOR CO, NI (1901) |
| Result | .8 % NI ( 1913 ) |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Gabbro | ||||
| Rock unit name | Gabbro | ||||
| Rock description | Gabbro | ||||
| |||||
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Metamorphic Rock > Schist | ||||
| Rock unit name | Belt Supergroup | ||||
| Rock description | Belt Supergroup-Schist | ||||
| |||||
| Ore Body (1) | -114.34768, 45.12196 |
|---|
| Type of structure | Local |
|---|---|
| Structure name | Folds |
| General form | IRREGULAR, LENS |
|---|---|
| Thickness | 1.83M |
| Width | 0.61M |
| Depth to bottom | 76.2M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1895 |
| District name | Blackbird District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | Salmon National Forest |
| Type | Owner |
|---|---|
| Owner | Hanna Mining Co. |
| Type of workings | Underground |
|---|---|
| Length | 163.07M |
| Overall depth | 76.2M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W013487 | |
| Idaho Geological Survey | Idaho Mines and Prospects | IMP | EC_436 | http://www.idahogeology.org/ |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0160590071 | data consolidated into this record |
Umpleby, J.B., 1913, Geology And Ore Deposits Of Lemhi County, Idaho: USGS Bulletin 528, 182 P.
Anderson, A.L., 1943, Preliminary Report On The Cobalt Deposits In The Blackbird District, Lemhi County, Idaho: Idaho Bureau Of Mines And Geology Pamph 61, 34 P.
Baldwin, J.A., October 8, 1976, Personal Communication
Reed, G.C., And Herdlick, J.A., 1947, Blackbird Cobalt Deposits, Lemhi County, Idaho: USBM Rept. Inv. 4012, 14 P.
Hess, F.L., 1921, Cobalt: USGS Mineral Resources Of Us, Pt. 1, P. 899-901
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-1975 | Ortman, Dale; Miller, Pat | U.S. Geological Survey | |
| Reporter | 14-NOV-1983 | Western Field Operations Center (WFOC) | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.