| Deposit ID | 10055543 |
|---|---|
| MRDS ID | SD02117 |
| Record type | Site |
| Current site name | Tornado Mine |
| Alternate or previous names | Golden Reward Group |
| Geographic coordinates: | -103.85058, 44.33496 (WGS84) |
|---|---|
| Elevation | 1804 |
| Relative position | 2.5 MI SOUTHEAST OF LEAD, SOUTH DAKOTA |
Political divisions (FIPS codes)
Lawrence(county)
South Dakota(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Lead(quadrangle 1:24,000 scale)
Rapid City(quadrangle 1:100,000 scale)
Rapid City(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Redwater(hydrologic unit)
Belle Fourche(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 | Lawrence |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Black Hills | 004N;004N | 002E;003E | 01;06 | South Dakota |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Silver | Ore |
| Result | AVERAGE VALUE = 1 OZ AU/TON. IN THE NORTHERN PART OF THE MINE VALUES ARE 2 OZ AU/TON |
|---|
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Alkalic Volcanic Rock > Phonolite | ||||||
| Rock unit name | Phonolite Sill And Unspecified Others;Schist | ||||||
| Rock description | Phonolite Sill And Unspecified Others;Schist | ||||||
| |||||||
| (1) | -103.85058, 44.33496 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Several Dikes And Minor Faults; One Fault With A 300-Feet Downthrow To The East Lies Just West Of The Main Workings. |
| Thickness | 4.27M |
|---|---|
| Length | 1265.83M |
| Width | 54.86M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Ruby Basin District |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Golden Reward Mining And Milling Co. |
| Type of workings | Underground |
|---|---|
| Overall depth | 96.01M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | SD02117 |
U.S. BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688 .
U.S. BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688
| Subject category | Comment text |
|---|---|
| Deposit | THICKNESS RANGES FROM 6 - 14 FT; 36 DISTINCT ORE SHOOTS. THE MAIN (TORNADO) SHOOT EXTENDS SOUTH WHERE IT IS KNOWN AS THE MOGUL SHOOT IN THE MOGUL MINE. ITS COMBINED LENGTH IN BOTH MINES IS 4153 FT AND WIDTH IS FROM 10 - 180 FT. THE SECOND LARGE SHOOT EXTENDED NORTH FOR 600 FT AND SOUTH FOR 1500 FT AND IS THE BOTTLESON SHOOT. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1979 | Barari, Rachel A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.