| Deposit ID | 10055700 |
|---|---|
| MRDS ID | SD02320 |
| Record type | Site |
| Current site name | Oreville Spar Mica Mine |
| Geographic coordinates: | -103.62557, 43.85996 (WGS84) |
|---|---|
| Elevation | 1658 |
| Relative position | 1 MILE SOUTHWEST OF OREVILLE, SOUTH DAKOTA |
Political divisions (FIPS codes)
Pennington(county)
South Dakota(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Berne(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 | 004E | 22 | South Dakota |
| Commodity | Importance |
|---|---|
| Mica | Primary |
| Feldspar | Tertiary |
| Beryllium Critical | Tertiary |
| Lithium Critical | Tertiary |
| Tin Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Amblygonite | Ore |
| Beryl | Ore |
| Cassiterite | Ore |
| Feldspar | Ore |
| Mica | Ore |
| 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 |
| Rock unit name | Schist |
| Rock description | Schist |
| (1) | -103.62557, 43.85996 |
|---|
| Thickness | 9.14M |
|---|---|
| Length | 76.2M |
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| District name | Unorganized District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | Black Hills National Forest |
| Type | Owner |
|---|---|
| Owner | Gladys Wells And Fred Heidepriem |
| Type of workings | Surface |
|---|---|
| Overall length | 30.48M |
| Overall width | 4.57M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | SD02320 |
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707
| Subject category | Comment text |
|---|---|
| Deposit | THE OUTCROP CONSISTS OF 2 LOBES INTRUDED INTO A STEEPLY PLUNGING FOLD. THE SOUTH OUTCROP STRIKES NW AND DIPS SW. THE NORTH LIMB STRIKES NE AND DIPS NW. |
| 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.