| Deposit ID | 10093618 |
|---|---|
| MRDS ID | W015403 |
| MAS/MILS ID | 0160590484 |
| Record type | Site |
| Current site name | Last Chance Prospect |
| Geographic coordinates: | -114.0733, 45.3961 (WGS84) |
|---|---|
| Elevation | 1372 |
| Relative position | 3.25 MI SSE OF ULYSSES MTN. |
Political divisions (FIPS codes)
Lemhi(county)
Idaho(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Ulysses Mountain(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 | 024N | 020E | 23 | Idaho |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Thorium | Primary |
| REE Critical | Secondary |
| Titanium Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Allanite | Ore |
| Chalcopyrite | Ore |
| Ilmenite | Ore |
| Monazite | Ore |
| Rutile | Ore |
| Xenotime | Ore |
| Albite | Gangue |
| Apatite | Gangue |
| Biotite | Gangue |
| Calcite | Gangue |
| Labradorite | Gangue |
| Magnetite | Gangue |
| Quartz | Gangue |
| Tourmaline | Gangue |
| Zircon | Gangue |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Metamorphic Rock > Amphibolite | ||||||
| Rock unit name | Amphibolized Gabbroic Rock | ||||||
| Rock description | Amphibolized Gabbroic Rock | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Amphibolite |
| Rock unit name | Belt Supergroup |
| Rock description | Belt Supergroup-Schistose, Gneissic Rocks |
| (1) | -114.0733, 45.3961 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Weak Foliation |
| General form | THIN SEAMS, PODS, BUNCHLIKE CLUSTERS, STREAKS |
|---|---|
| Strike | N 10 DEG W |
| Dip | 55 DEG NE |
| Operation type | Surface |
|---|---|
| Development status | Prospect |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Indian Creek District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | Salmon National Forest |
| Type | Owner |
|---|---|
| Owner | C. E. Brown, Ralph Malloy |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W015403 | |
| Idaho Geological Survey | Idaho Mines and Prospects | IMP | EC1138 | http://www.idahogeology.org/ |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0160590484 | data consolidated into this record |
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
USBM WFOC Wilderness Studies
| Subject category | Comment text |
|---|---|
| Deposit | SW of deposit described above is small monazite occurrence which strikes N 20 Deg W, Dips 70 Deg SW, found in sandstone - like rock in schist |
| Deposit | Author Anderson states 2 contrasting, unrelated types of mineralization, shear zones and pegmatites in part in amphibolized gabbroic rock and in part in schistose and gneissic rocks. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-OCT-1974 | Miller, Pat J. | U.S. Geological Survey | |
| Reporter | 12-JUL-1993 | Western Field Operations Center (WFOC) | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.