| Deposit ID | 10104257 |
|---|---|
| MRDS ID | SD02302 |
| Record type | Site |
| Current site name | Dan Patch Group |
| Geographic coordinates: | -103.44223, 43.89413 (WGS84) |
|---|---|
| Elevation | 1366 |
| Relative position | 2 MILES SOUTH-SOUTHWEST OF THE KEYSTONE POST OFFICE. |
Political divisions (FIPS codes)
Pennington(county)
South Dakota(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Mount Rushmore(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 | 07 | South Dakota |
| Commodity | Importance |
|---|---|
| Feldspar | Primary |
| Mica | Primary |
| Beryllium Critical | Primary |
| Tantalum Critical | Tertiary |
| Zinc Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Beryl | Ore |
| Muscovite | Ore |
| Sphalerite | Ore |
| Cleavelandite | Gangue |
| Quartz | Gangue |
| Triphylite | Gangue |
| Uraninite | Gangue |
| Zircon | Gangue |
| Albite | Unknown |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Pegmatite | ||||||
| Rock unit name | Pegmatite | ||||||
| Rock description | Pegmatite | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Pegmatite |
| (1) | -103.44223, 43.89413 |
|---|
| General form | PIPELIKE |
|---|---|
| Plunge direction | SE |
| Length | 48.77M |
| Width | 45.72M |
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1905 |
| District name | Keystone District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | Black Hills National Forest |
| Type | Owner |
|---|---|
| Owner | Consolidated Feldspar Corp. |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | SD02302 |
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707
AM. MINERALOGIST, VOL 56, P. 1-17.
| Subject category | Comment text |
|---|---|
| Deposit | THE MAIN MASS IS COARSE MICROCLINE-PERTHITE INTERGROWN WITH MASSIVE QUARTZ, ALBITE, AND MUSCOVITE, BERYL, COLUMBITE-TANTALITE, AND SPHALERITE OCCUR WITH THE MUSCOVITE. |
| 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.