| Deposit ID | 10089180 |
|---|---|
| MRDS ID | W014166 |
| MAS/MILS ID | 0160370394 |
| Record type | Site |
| Current site name | Giant Spar Mine |
| Geographic coordinates: | -114.85673, 44.24988 (WGS84) |
|---|---|
| Elevation | 1890 |
| Relative position | 4 MI ENE OF LOWER STANLEY |
Political divisions (FIPS codes)
Custer(county)
Idaho(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Casino Lakes(quadrangle 1:24,000 scale)
White Cloud Peaks(quadrangle 1:100,000 scale)
Challis(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Salmon(hydrologic unit)
Salmon(hydrologic accounting unit)
Lower Snake(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Sawtooth National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Idaho | Custer |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Boise | 011N | 014E | 29,30,31 | SESE (30) | Idaho |
| Commodity | Importance |
|---|---|
| Fluorine-Fluorite Critical | Primary |
| Gold | Tertiary |
| Silver | Tertiary |
| Materials | Type of material |
|---|---|
| Fluorite | Ore |
| Chalcedony | Gangue |
| Pyrite | Gangue |
| Result | 18 LB SAMPLE CHIPPED FROM PORTAL ASSAYED AT :\n71.5% CAF2, \nNO AU, \nNO AG |
|---|---|
| Result | 3 CHIP SAMPLES ACROSS 2 F VEINS AVG. :\n76.26% CA F2. |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite | ||||
| Rock unit name | Idaho Batholith-Quartz Monzonite;Basalt, Rhyolite Dikes | ||||
| Rock description | Idaho Batholith-Quartz Monzonite;Basalt, Rhyolite Dikes | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite |
| (1) | -114.85673, 44.24988 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Idaho Batholith |
| Type of structure | Local |
| Structure description | Fault With Attitude N 29 Deg E, 84 Deg Nw; Slickensides Plunging 18 Deg Sw On N Wall Of Vein |
| General form | LINEAR |
|---|---|
| Strike | N 29 DEG E |
| Dip | 18 DEG SW |
| Thickness | 4.57M |
| Length | 853.44M |
| Depth to bottom | 85.34M |
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1860 |
| Year of first production | 1942 |
| District name | Stanley District |
|---|
| Type of mineral rights | Patented |
|---|---|
| Type of mineral rights | Minerals Only |
| Ownership category | National Forest |
|---|---|
| Area name | Challis National Forest |
| Ownership category | National Forest |
| Area name | Challis National Forest |
| Ownership category | National Forest |
| Area name | Challis National Forest |
| Type | Owner-Operator |
|---|---|
| Owner | Alcoa - Aluminum Co. Of America |
| Interest | 100 |
| Home office | Pittsburgh, PA |
| Year | 1976 |
| Type of workings | Surface/Underground |
|---|---|
| Length | 45.72M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W014166 | |
| Idaho Geological Survey | Idaho Mines and Prospects | IMP | CH_500 | http://www.idahogeology.org/ |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0160370394 | data consolidated into this record |
Choate, Raoul, 1962, Geology And Ore Deposits Of The Stanley Area: Idaho Bureau Of Mines And Geology Pamphlet 126, 120 P.
1962 Geolmap Idaho Bureau Of Mines And Geology Pamphlet 126
1974 Recon Tschanz, C. M., And Others, Open-File Rept.
Direxpl Alcoa, Idaho Bureau Of Mines And Geology Pamphlet 126
Choate, Raoul, 1962, Idaho Bur Of Mines And Geology, Pamphlet 126, P. 82
Vannoy & Others, 1986, USGS Bulletin 1545e, P. 437, Pl. 3, No. 41
Tschanz, C. M., And Others, 1974, USGS O.F. Rept., P. 594.
Shawe & Others 1976 USGS Prof Paper 933 P 36-37
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JAN-1975 | Yett, Jay R.; Miller, Pat | U.S. Geological Survey | |
| Reporter | 17-OCT-1994 | Federspiel | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.