| Deposit ID | 10012470 |
|---|---|
| MRDS ID | D008116 |
| Record type | Site |
| Current site name | Ferguson Lode Claim |
| Geographic coordinates: | -103.36778, 43.87635 (WGS84) |
|---|---|
| Elevation | 1341 |
| Location accuracy | 500(meters) |
| Relative position | 4 MILES EAST-SOUTHEAST OF KEYSTONE, SOUTH DAKOTA. |
Political divisions (FIPS codes)
Pennington(county)
South Dakota(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Rockerville(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 | Pennington |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Black Hills | 002S | 006E | 14 | NW | South Dakota |
| Commodity | Importance |
|---|---|
| Feldspar | Primary |
| Beryllium Critical | Primary |
| Materials | Type of material |
|---|---|
| Beryl | Ore |
| Feldspar | Ore |
| Albite | Gangue |
| Apatite | Gangue |
| Cassiterite | Gangue |
| Cleavelandite | Gangue |
| Columbite | Gangue |
| Goethite | Gangue |
| Graphite | Gangue |
| Microcline | Gangue |
| Muscovite | Gangue |
| Opal | Gangue |
| Plagioclase | Gangue |
| Quartz | Gangue |
| Spodumene | Gangue |
| Tourmaline | Gangue |
| Uraninite | Gangue |
| Uranophane | Gangue |
| Vivianite | Gangue |
| Zircon | Gangue |
| Result | FELDSPAR = 13.1% K2O AND 2.0% NA2O. |
|---|
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Pegmatite | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Pegmatite |
| (1) | -103.36778, 43.87635 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | The Pegmatite Is On The Southern End Extremity Of A N-S Ridge. |
| General form | TABULAR DIKE |
|---|---|
| Dip | 90 |
| Length | 36.58M |
| Width | 12.19M |
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| District name | Unorganized District |
|---|
| Ownership category | |
|---|---|
| Area name | Black Hills |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D008116 |
USBM INFO CIRC 7707, P. 71-72.
DANAS SYSTEM OF MINERALOGY, ED VOL 2, P. 952-953.
ENCYCLOPEDIA OF MINERALS
SPRING, S. G., AND ANDERSON, D. W., 1957, A GEOLOGIC INVESTIGATION OF THE FERGUSON PEGMATITE, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY.
USBM INFO CIRC 7707, P. 72.
| Subject category | Comment text |
|---|---|
| Deposit | THE FERGUSON PEGMATITES CONSIST OF 2 TABULAR SUB-PARALLEL PEGMATITES. FOUR ZONES ARE PRESENT. |
| 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.