| Deposit ID | 10094445 |
|---|---|
| MRDS ID | D007211 |
| Record type | Site |
| Current site name | Blue Bird Claim |
| Geographic coordinates: | -103.61807, 43.91913 (WGS84) |
|---|---|
| Elevation | 1707 |
| Location accuracy | 500(meters) |
| Relative position | 1.5 MILES SOUTHWEST OF HILL CITY, SOUTH DAKOTA |
Political divisions (FIPS codes)
Pennington(county)
South Dakota(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Hill City(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 | 001S | 004E | 34,35 | South Dakota |
| Commodity | Importance |
|---|---|
| Tin Critical | Primary |
| Materials | Type of material |
|---|---|
| Cassiterite | Ore |
| Feldspar | Gangue |
| Muscovite | Gangue |
| Quartz | Gangue |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Pegmatite | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Pegmatite |
| (1) | -103.61807, 43.91913 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Pegmatite Is Cut Off By Faulting At Depth Of 40 Feet. The Offset Portion Has Not Been Located. |
| General form | DIKE |
|---|---|
| Strike | NORTH-SOUTH |
| Dip | 65 E |
| Thickness | 4.27M |
| Depth to bottom | 12.19M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Hill City District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | Black Hills National Forest |
| Type | Owner |
|---|---|
| Owner | Harney Peak Tin Mining, Milling, And Manufacturing Co. |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D007211 |
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 | ONE UNPATENTED CLAIM. THE DIKE IS CUT BY NARROW VEIN-LIKE SEGREGATIONS OF MUSCOVITE, QUARTZ AND A LITTLE FELDSPAR. CASSITERITE OCCURS WITH THE MICA AS IRREGULAR GRAINS AND SMALL EUHEDRAL CRYSTALS. |
| 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.