| Deposit ID | 10096237 |
|---|---|
| MRDS ID | W013484 |
| MAS/MILS ID | 0160590068 |
| Record type | Site |
| Current site name | Bohannon Prospect |
| Alternate or previous names | Gray Eagle, Blackbird Mine |
| Geographic coordinates: | -114.34813, 45.11909 (WGS84) |
|---|---|
| Elevation | 1981 |
| Relative position | 20 MI. WEST OF SALMON, IDAHO |
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 |
| Nickel Critical | Secondary |
| Gold | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcocite | Ore |
| Chalcopyrite | Ore |
| Cobaltite | Ore |
| Gold | Ore |
| Magnetite | Gangue |
| Pyrite | Gangue |
| Pyrrhotite | Gangue |
| Quartz | Gangue |
| Result | GRAB SAMPLE, 6.6% CO, 0.03% CU |
|---|---|
| Result | 1 SAMPLE ASSAYED 0.005 OZ AU/TON, 0.26% CO, 0.12% CU |
| Result | SELECTED DUMP MATERIAL SHOWED 0.4% CO, 6.1% CU |
| Result | .8 % NI |
| 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 |
| (1) | -114.34813, 45.11909 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Schistosity |
| General form | IRREGULAR LENS, STRINGERS |
|---|---|
| Strike | N 30 DEG W |
| Dip | 70 DEG S |
| Width | 3.66M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Blackbird District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | Salmon National Forest |
| Type | Owner |
|---|---|
| Owner | Hanna Mining Co. |
| Year | 1947 |
| Type of workings | Underground |
|---|---|
| Length | 39.62M |
| Overall depth | 30.48M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W013484 | |
| Idaho Geological Survey | Idaho Mines and Prospects | IMP | EC_439 | http://www.idahogeology.org/ |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0160590068 |
UMPLEBY, J.B., 1913, GEOLOGY AND ORE DEPOSITS OF LEMHI COUNTY, IDAHO: USGS BULLETIN 528, 182 P.
ANDERSON, A.L., 1943, PRELIMINARY REPORT ON COBALT DEPOSITS IN THE BLACKBIRD DISTRICT, LEMHI COUNTY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 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.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-1975 | Ortman, Dale; Miller, Pat | U.S. Geological Survey | |
| Updater | 21-JUL-2009 | Causey, J. Douglas | U.S. Geological Survey | Consolidated data from Deposit ID: 10241744 and then deleted that record. |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.