| Deposit ID | 10104256 |
|---|---|
| MRDS ID | SD02297 |
| Record type | Site |
| Current site name | Tin Mountain Mine |
| Geographic coordinates: | -103.71918, 43.74635 (WGS84) |
|---|---|
| Elevation | 1695 |
| Relative position | 7 MILES WEST 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 | 003S | 003E | 35 | South Dakota |
| Commodity | Importance |
|---|---|
| Cesium Critical | Primary |
| Feldspar | Primary |
| Lithium Critical | Primary |
| Mica | Primary |
| Beryllium Critical | Secondary |
| Tantalum Critical | Secondary |
| Materials | Type of material |
|---|---|
| Albite | Ore |
| Amblygonite | Ore |
| Andesine | Ore |
| Beryl | Ore |
| Biotite | Ore |
| Columbite | Ore |
| Muscovite | Ore |
| Pollucite | Ore |
| Spodumene | Ore |
| Almandite | Gangue |
| Apatite | Gangue |
| Bismuthinite | Gangue |
| Calcite | Gangue |
| Cassiterite | Gangue |
| Chalcopyrite | Gangue |
| Cleavelandite | Gangue |
| Goethite | Gangue |
| Lepidolite | Gangue |
| Malachite | Gangue |
| Montmorillonite | Gangue |
| Quartz | Gangue |
| Sphalerite | Gangue |
| Tourmaline | Gangue |
| Triphylite | Gangue |
| Turquoise | Gangue |
| Uraninite | Gangue |
| Uranophane | Gangue |
| Vanadinite | Gangue |
| Zircon | Gangue |
| Microcline | Unknown |
| Result | BIOTITE CONTAINS 3.15 PERCENT CS20 |
|---|
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Pegmatite | ||||||||
| Rock unit name | Pegmatite | ||||||||
| Rock description | Pegmatite | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Schist > Mica Schist |
| Rock unit name | Mica Schist |
| Rock description | Mica Schist |
| (1) | Madison Group |
|---|
| General form | IRREGULAR, L-SHAPED |
|---|---|
| Strike | N 60 E |
| Dip | 35 NW |
| Length | 143.26M |
| Width | 21.34M |
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| District name | Custer District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | Black Hills National Forest |
| Type | Operator |
|---|---|
| Owner | Walter S. Clifford |
| Type | Owner |
|---|---|
| Owner | Maywood Chemical Works |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | SD02297 |
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707
SCHWARTZ, G.M., 1930, TIN MOUNTAIN SPODUMENE MINE, ECONOMIC GEOLOGY, VOL. 25, PP. 275-284
BIENIEWSKI, C.L., AND AGNEW, A.F., 1964, THE MINERAL INDUSTRY OF SOUTH DAKOTA IN 1962, SOUTH DAKOTA GEOLOGICAL SURVEY MINERALS REPORT 10
ROBERTS, W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707 / BIENIEWSKI, C.L., AND AGNEW, A.F., 1964, THE MINERAL INDUSTRY OF SOUTH DAKOTA IN 1962, SOUTH DAKOTA GEOLOGICAL SURVEY MINERALS REPORT 10
| Subject category | Comment text |
|---|---|
| Deposit | 4 ZONES - (1) COARSE MASSIVE QUARTZ, (2) COARSE MICROCLINE PERTHITE, (3) MEDIUM-GRAINED PERTHITE-QUARTZ-MUSCOVITE OR ALBITE-QUARTZ-MUSCOVITE OR QUARTZ-MUSCOVITE, (4) FINE-GRAINED QUARTZ-MUSCOVITE-TOURMALINE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1980 | Barari, Rachel A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.