| Deposit ID | 10011959 |
|---|---|
| MRDS ID | D007168 |
| Record type | Site |
| Current site name | Bob Ingersoll Mine |
| Alternate or previous names | Ben Butler Mine, Horace Greeley Mine, Ingersoll Group |
| Geographic coordinates: | -103.45389, 43.74468 (WGS84) |
|---|---|
| Elevation | 1521 |
| Location accuracy | 500(meters) |
| Relative position | 2 MILES NORTHWEST OF KEYSTONE, SOUTH DAKOTA |
Political divisions (FIPS codes)
Custer(county)
South Dakota(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Mount Coolidge(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
ST(Federal land areas administered by ST)
| Country | State | County |
|---|---|---|
| United States | South Dakota | Pennington |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Black Hills | 002S | 006E | 06 | NW | South Dakota |
| Commodity | Importance |
|---|---|
| Lithium Critical | Primary |
| Beryllium Critical | Primary |
| Mica | Primary |
| Tin Critical | Secondary |
| Tantalum Critical | Secondary |
| Feldspar | Secondary |
| Materials | Type of material |
|---|---|
| Amblygonite | Ore |
| Beryl | Ore |
| Cassiterite | Ore |
| Cleavelandite | Ore |
| Feldspar | Ore |
| Lepidolite | Ore |
| Muscovite | Ore |
| Spodumene | Ore |
| Almandite | Gangue |
| Microlite | Gangue |
| Staurolite | Gangue |
| Triphylite | Gangue |
| Uraninite | Gangue |
| Uranophane | Gangue |
| Zircon | Gangue |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Pegmatite | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Pegmatite |
| (1) | -103.45389, 43.74468 |
|---|
| General form | PIPE-SHAPED DIKES |
|---|---|
| Plunge direction | SOUTHEAST |
| Length | 33.53M |
| Width | 24.38M |
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| District name | Keystone District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | Black Hills National Forest |
| Type | Operator |
|---|---|
| Owner | Keystone Chemical Co. |
| First year | 1965 |
| Type | Owner |
|---|---|
| Owner | Black Hills Keystone Co. |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D007168 |
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
HENKES, WILLIAM C., MCGREGOR, DUNCAN J., AND STOTELMEYER, R.B., 1967, MINERAL INDUSTRY OF SOUTH DAKOTA IN 1965, SOUTH DAKOTA GEOLOGICAL SURVEY MINERAL ECONOMIC REPORT 13
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707; HENKES, WILLIAM C., MCGREGOR , DUNCAN J., AND STOTELMEYER, R.B., 1967, MINERAL INDUSTRY OF SOUTH DAKOTA IN 1965, SOUTH DAKOTA GEOLOGICAL MINERAL ECONOMIC REPORT 13
| Subject category | Comment text |
|---|---|
| Deposit | FIVE DIKES APPEAR ON THE PROPERTY OF WHICH TWO - THE NO. 1 AND NO. 2 HAVE BEEN EXPLOITED. DIKE NO. 1 IS A STEEP PIPELIKE BODY WHICH DIPS SE. DIKE NO. 2 IN HORIZONTAL CROSS SECTION AT THE MAIN LEVEL IS 110 BY 80 FEET. THE DIKES ARE WELL ZONED AND CONTAINS MASSES OF AMBLYGONITE UP TO 8 TONS AND BERYL CRYSTALS UP TO 30 TONS. THREE PATENTED CLAIMS. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-1981 | Barari, Rachel A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.