| Deposit ID | 10012469 |
|---|---|
| MRDS ID | D008114 |
| Record type | Site |
| Current site name | Mcarthur Mine |
| Alternate or previous names | Firestone |
| Geographic coordinates: | -103.62667, 43.70329 (WGS84) |
|---|---|
| Elevation | 1646 |
| Location accuracy | 250(meters) |
| Relative position | 4.5 MILES SOUTHWEST OF CUSTER., 0.13 Mile Radius |
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 | 004S | 004E | 15 | SW OF NE | South Dakota |
| Commodity | Importance |
|---|---|
| Mica | Primary |
| Beryllium Critical | Secondary |
| Feldspar | Secondary |
| Materials | Type of material |
|---|---|
| Beryl | Ore |
| Feldspar | Ore |
| Mica | Ore |
| Albite | Gangue |
| Garnet | Gangue |
| Quartz | Gangue |
| Tourmaline | Gangue |
| Xenotime | Gangue |
| Result | MOST MICA IS IN BOOKS OF SEVERAL INCHES DIAMETER, USUALLY PALE TO DARK RUBY. |
|---|
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Pegmatite | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Schist > Mica Schist |
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Pegmatite |
| (1) | -103.62667, 43.70329 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Well-Developed Folds Plunge 40-50 Deg, S12-15w |
| General form | ELONGATED DIKE |
|---|---|
| Strike | N30W |
| Dip | 50SW |
| Length | 97.54M |
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Year of first production | 1900 |
| District name | Custer District |
|---|
| Ownership category | |
|---|---|
| Area name | Black Hills |
| Type | Operator |
|---|---|
| Owner | L. H. Jeffries |
| Home office | Custer S.D. |
| Type | Owner |
|---|---|
| Owner | Walter Wright And Francis Michaud |
| Home office | Custer, S.D. |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D008114 |
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. 146-148.
USBM INFO CIRC 7707, P. 153; USGS PP 247, P. 146.
| Subject category | Comment text |
|---|---|
| Deposit | TWO ZONES, ALBITE-QUARTZ-MUSCOVITE PEGMATITE AND PERTHITE-QUARTZ CORE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-NOV-81 | Barari, Rachel A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.