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Standby Mine

Past Producer in Pennington county in South Dakota, United States with commodities Gold, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10055609
MRDS ID SD02206
Record type Site
Current site name Standby Mine

Geographic coordinates

Geographic coordinates: -103.70946, 44.12024 (WGS84)
Elevation 1609
Relative position 0.5 MILE SOUTH EAST OF ROCHFORD, SOUTH DAKOTA

Site location context

Political divisions (FIPS codes)

Pennington(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Rochford(quadrangle 1:24,000 scale)

Rapid City(quadrangle 1:100,000 scale)

Rapid City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Rapid(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)

Geographic areas

Country State County
United States South Dakota Pennington

Public Land Survey System information

Meridian Township Range Section Fraction State
Black Hills 002N 003E 23 South Dakota

Comments on the location information

  • THE MAP SHOWS THE MINE IN THE CENTRAL W 1/2 OF SECTION 24. THE BOOK STATES THAT IT IS IN THE E 1/2 OF SECTION 23.

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Gold Ore
Silver Ore
Aragonite Gangue
Chlorite Gangue
Cummingtonite Gangue
Quartz Gangue
Stilpnomelane Gangue

Alteration

  • (Local) Oxidized And Unoxidized Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Cummingtonite Schist
    Rock description Cummingtonite Schist
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -103.70946, 44.12024
ListMap

Economic information

Ore body information

  • Plunge 68
    Plunge direction E

Controls for ore emplacement

  • In A Syncline Whose Axial Plane Strikes S 35 E And Plunges 65 To 70 E.

Comments on the geologic information

  • THE CUMMINGTONITE SCHIST IS CORRELATED WITH THE PRECAMBRIAN HOMESTAKE FORMATION.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Rochford District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Owner
    Owner George Beardshear And Associates

Comments on the workings information

  • 4 LARGE OPEN PITS; DRIFT AT 175 FT; 1300 FT DRIFT DRIVEN SOUTH ON THE 425 FT LEVEL - CONNECTED TO OLDER WORKINGS BY A 250 FT RAISE.

Comments on development

  • EIGHT PATENTED CLAIMS AND A MILLSITE ; ECON.COM: 20 - STAMP AMALGAM ACTION MILL (VINTAGE 1891); 60 - STAMP MILL (1906)

Reference information

Bibliographic references

  • Deposit

    U.S. BUREAU OF MINES, 1954, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688

  • Deposit

    ROBERTS, W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18

General comments

Subject category Comment text
Deposit DEPOSIT LIES IN A SYNCLINE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1979 Barari, Rachel A. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Maps centered on this site