| Deposit ID | 10010786 |
|---|---|
| MRDS ID | D004758 |
| Record type | Site |
| Current site name | White Spar Mine |
| Alternate or previous names | Westinghouse No. 2 |
| Geographic coordinates: | -103.62806, 43.74774 (WGS84) |
|---|---|
| Elevation | 1670 |
| Relative position | 2.5 MILES SOUTHWEST OF CUSTER, SOUTH DAKOTA |
Political divisions (FIPS codes)
Custer(county)
South Dakota(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Fourmile(quadrangle 1:24,000 scale)
Mount Rushmore(quadrangle 1:100,000 scale)
Hot Springs(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Middle Cheyenne-Spring(hydrologic unit)
Cheyenne(hydrologic accounting unit)
Cheyenne(hydrologic subregion)
Missouri(hydrologic region)
Federal lands
Black Hills National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | South Dakota | Custer |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Black Hills | 003S | 004E | 34 | South Dakota |
| Commodity | Importance |
|---|---|
| Mica | Primary |
| Materials | Type of material |
|---|---|
| Muscovite | Ore |
| Albite | Gangue |
| Apatite | Gangue |
| Beryl | Gangue |
| Quartz | Gangue |
| Tourmaline | Gangue |
| Result | THE WALL ZONE IS 10 PERCENT MUSCOVITE. |
|---|
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Pegmatite | ||||||
| Rock unit name | Pegmatite | ||||||
| Rock description | Pegmatite | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Pegmatite |
| (1) | -103.62806, 43.74774 |
|---|
| General form | PEAR-SHAPED |
|---|---|
| Length | 45.72M |
| Width | 27.43M |
| Development status | Past Producer |
|---|---|
| Commodity type | Non-metallic |
| Deposit size | Small |
| Significant | No |
| District name | Custer District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | Black Hills National Forest |
| Type | Owner |
|---|---|
| Owner | J. A. Knabe |
| Type of workings | Underground |
|---|---|
| Overall depth | 51.82M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D004758 |
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707
ROBERT, W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18
| Subject category | Comment text |
|---|---|
| Deposit | 2 ZONES ARE PRESENT - A WALL ZONE OF ALBITE-QUARTZ-MUSCOVITE & A CORE OF QUARTZ-PERTHITE-ALBITE & QUARTZ. COMMERCIAL SHEET MICA IS FOUND IN THE WALL ZONE WHICH IS ABOUT 6 FT THICK. THE BOOKS OF MICA ARE AS LARGE AS 48 INCHES LONG AND AMOUNTS TO 10 PERCENT OF THE ZONE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-1980 | Barari, Rachel A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.