| Deposit ID | 10012474 |
|---|---|
| MRDS ID | D008120 |
| Record type | Site |
| Current site name | Pleasant Valley Mine |
| Geographic coordinates: | -103.6814, 43.72163 (WGS84) |
|---|---|
| Elevation | 1646 |
| Relative position | 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)
Angostura Reservoir(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 | 004S | 004E | 07 | NE OF NE | South Dakota |
| Commodity | Importance |
|---|---|
| Feldspar | Primary |
| Beryllium Critical | Secondary |
| Materials | Type of material |
|---|---|
| Beryl | Ore |
| Feldspar | Ore |
| Columbite | Gangue |
| Mica | Gangue |
| Quartz | Gangue |
| Tantalite | Gangue |
| Tourmaline | Gangue |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Pegmatite | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Pegmatite |
| (1) | -103.6814, 43.72163 |
|---|
| General form | DIKE |
|---|---|
| Dip | 65NE |
| Width | 45.72M |
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Year of last production | 1943 |
| District name | Custer District |
|---|
| Ownership category | |
|---|---|
| Area name | Black Hills |
| Type | Operator |
|---|---|
| Owner | George Bland, Jr. |
| First year | 1943 |
| Type | Owner |
|---|---|
| Owner | C. A. Parker, Jr. |
| Home office | Custer, S.D. |
| Type of workings | Surface/Underground |
|---|---|
| Overall depth | 16.76M |
| Overall length | 24.38M |
| Overall width | 3.66M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D008120 |
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707.
ROBERTS, W. L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18.
USGS PP 247, P. 177-178.
| Subject category | Comment text |
|---|---|
| Deposit | THE DIKE NARROWS TO 45 FT. THE MINE IS LOCATED ON A FRACTURE FILLING BODY THAT STRIKES AT RIGHT ANGLES TO A LARGER PEGMATITE THAT STRIKES N65E. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-NOV-1981 | Barari, Rachel A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.