| Deposit ID | 10055683 |
|---|---|
| MRDS ID | SD02298 |
| Record type | Site |
| Current site name | Crown Mine |
| Alternate or previous names | Mcmackin Mine |
| Geographic coordinates: | -103.64307, 43.79413 (WGS84) |
|---|---|
| Elevation | 1750 |
| Relative position | 2.5 MILES NORTHWEST OF CUSTER, SOUTH DAKOTA |
Political divisions (FIPS codes)
Custer(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 | Custer |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Black Hills | 003S | 004E | 16 | South Dakota |
| Commodity | Importance |
|---|---|
| Mica | Primary |
| Beryllium Critical | Primary |
| Feldspar | Tertiary |
| Tantalum Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Beryl | Ore |
| Feldspar | Ore |
| Muscovite | Ore |
| Quartz | Gangue |
| Siderite | Gangue |
| Tourmaline | Gangue |
| Triphylite | Gangue |
| 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) | -103.64307, 43.79413 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Anticlinal Fold That Strikes Northwest And Dips South |
| General form | DIKE |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Year of first production | 1879 |
| District name | Custer District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | Black Hills National Forest |
| Type | Owner |
|---|---|
| Owner | New York Holding Co. |
| Type of workings | Surface/Underground |
|---|---|
| Overall depth | 30.48M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | SD02298 |
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707
FISHER, D.J., 1945, PRELIMINARY REPORT ON SOME OF THE PEGMATITES NEAR CUSTER, SOUTH DAKOTA GEOLOGICAL SURVEY REPORT OF INVESTIGATIONS 50
STERRET, D.B., 1923, MICA DEPOSITS OF THE UNITED STATES, U.S. GEOLOGICAL SURVEY BULLETIN 740
U.S. GEOLOGICAL SURVEY, U.S. BUREAU OF RECLAMATION, AND SOUTH DAKOTA GEOLOGICAL SURVEY, 1975, MINERAL AND WATER RESOURCES OF SOUTH DAKOTA, SOUTH DAKOTA GEOLOGICAL SURVEY BULLETIN 16 / ROBERTS, W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18
| Subject category | Comment text |
|---|---|
| Deposit | SAME DIKE AS THE BALLARD MINE |
| 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.