| Deposit ID | 10055456 |
|---|---|
| MRDS ID | SD02008 |
| Record type | Site |
| Current site name | Keystone Mine |
| Geographic coordinates: | -103.41947, 45.89829 (WGS84) |
|---|---|
| Elevation | 1341 |
| Relative position | AT KEYSTONE, SOUTH DAKOTA ; 450 FT. NORTHEAST OF THE HOLY TERROR SHAFT ; 450 FT. NORTHEAST OF THE HOLY TERROR SHAFT |
Political divisions (FIPS codes)
Harding(county)
South Dakota(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Eagles Nest Butte(quadrangle 1:24,000 scale)
Camp Crook(quadrangle 1:100,000 scale)
Lemmon(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
North Fork Grand(hydrologic unit)
Grand-Moreau(hydrologic accounting unit)
Missouri-Oahe(hydrologic subregion)
Missouri(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | South Dakota | Pennington |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Black Hills | 002S | 006E | 05 | South Dakota |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Secondary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Silver | Ore |
| Pyrrhotite | Gangue |
| (1) | -103.41947, 45.89829 |
|---|
| Strike | N 35 W |
|---|---|
| Dip | 75 NE |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1892 |
| District name | Keystone District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | Black Hills National Forest |
| Type of workings | Underground |
|---|---|
| Overall depth | 60.96M |
| Overall length | 91.44M |
| Overall width | 12.19M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | SD02008 |
ROBERTS, W. L., AND RAPP, GEORGE, 1965 , MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18
US BUREAU OF MINES, 1955 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2 , BUREAU OF MINES INFORMATION CIRCULAR 7707 .
US GEOLOGICAL SURVEY, US BUREAU OF RECLAMATION, AND SOUTH DAKOTA GEOLOGICAL SURVEY, 1975 , MINERAL AND WATER RESOURCES OF SOUTH DAKOTA, SOUTH DAKOTA GEOLOGICAL SURVEY BULLETIN 16 .
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
US BUREAU OF MINES, 1955 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2 , BUREAU OF MINES INFORMATION CIRCULAR 7707
| Subject category | Comment text |
|---|---|
| Deposit | KEYSTONE VEIN APPARENTLY PARALLEL TO VEINS IN HOLY TERROR, BULLION AND COLUMBIA MINES |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-DEC-1978 | Barari, Rachel A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.