| Deposit ID | 10090085 |
|---|---|
| MRDS ID | W012999 |
| Record type | Site |
| Current site name | Montana Prospect |
| Geographic coordinates: | -117.0174, 44.55706 (WGS84) |
|---|---|
| Elevation | 1768 |
| Relative position | 20 MI. NORTH OF WEISER, IDAHO AND 6 MI. EAST OF THE SNAKE RIVER |
Political divisions (FIPS codes)
Washington(county)
Idaho(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Monroe Butte(quadrangle 1:24,000 scale)
Baker City(quadrangle 1:100,000 scale)
Baker City(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Weiser(hydrologic unit)
Middle Snake-Boise(hydrologic accounting unit)
Middle Snake(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Payette National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Idaho | Washington |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Boise | 014N | 006W | 11,12,13,14 | Idaho |
| Commodity | Importance |
|---|---|
| Iron | Tertiary |
| Copper | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Hematite | Ore |
| Magnetite | Ore |
| Garnet | Gangue |
| Limonite | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Result | HEMATITE SAMPLE GAVE 53.67 % FE, MAGNETITE SAMPLE GAVE 66.95 % FE |
|---|
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||
| |||||
| Host or associated | Associated |
|---|---|
| Rock type | Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone |
| Rock unit name | Andesite Flows;Granite Or Granodiorite;Perm-Tri |
| Rock description | Andesite Flows;Granite Or Granodiorite;Perm-Tri |
| Host or associated | Associated |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone |
| Rock unit name | Martin Bridge Formation-Marble |
| Rock description | Martin Bridge Formation-Marble |
| (1) | -117.0174, 44.55706 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | High - Angle Faulting With Westward Tilting Of The Fault Blocks. |
| General form | LENS, TABULAR , BLANKET |
|---|---|
| Dip | W |
| Thickness | 4.57M |
| Length | 12.19M |
| Width | 12.19M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1897 |
| District name | Iron Mountain District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | Payette National Forest |
| Type | Owner-Operator |
|---|---|
| Owner | Siegwein, John |
| Home office | Weiser, Id |
| First year | 1943 |
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1947 | ||||||||||||||
| Indicated | 2000mt ore | ||||||||||||||
| |||||||||||||||
| Type of workings | Underground |
|---|---|
| Length | 121.92M |
| Overall depth | 16.76M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W012999 | |
| Idaho Geological Survey | Idaho Mines and Prospects | IMP | BA__71 | http://www.idahogeology.org/ |
BELL, R. N., 1918, NINETEENTH ANNUAL REPORT OF THE MINING INDUSTRY OF IDAHO FOR THE YEAR 1917, P. 98.
MACKIN, J. H., 1953, IRON ORE DEPOSITS OF THE IRON MTN. DISTRICT, IDAHO: U.S. GEOLOGICAL SURVEY BULL. 982 - E, 30 P.
1918 COMPILE 19TH ANN. REPT. OF THE MINING INDUSTRY FOR 1917
1947 RECON MACKIN, J.H., OPEN-FILE REPT.
1953 GEOLMAP MACKIN, J.H., BULL. 982-E
| Subject category | Comment text |
|---|---|
| Deposit | Discovery Year: LATE 1890'S |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-APR-1976 | Nakai, Terry L.; Miller, Pat | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.