Midnight Prospect

Occurrence in Pennington county in South Dakota, United States with commodities Gold, Silver
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. Host and associated rocks
  9. Nearby scientific data
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10055587
MRDS ID SD02179
Record type Site
Current site name Midnight Prospect

Geographic coordinates

Geographic coordinates: -103.57474, 44.10218 (WGS84)
Elevation 1561
Relative position SUNNYSIDE GULCH, 1.5 MILES NORTHWEST OF SILVER CITY, 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

Silver City(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;001N 005E;005E 30;25 South Dakota

Comments on the location information

  • NW 1/4 SW 1/4; DUE EAST OF THE GRAND VIEW GROUP

Commodities

Commodity Importance
Gold Primary
Silver Primary

Comments on the commodity information

  • SIMILAR TO THE GRAND VIEW & HOMELODE ORE

Materials information

Materials Type of material
Gold Ore
Silver Ore
Bindheimite Gangue
Jamesonite Gangue
Pyrite Gangue

Host and associated rocks

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

Nearby scientific data

(1) -103.57474, 44.10218

Economic information

Controls for ore emplacement

  • Quartz Vein Cutting Schist

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Silver City District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Operator
    Owner Midmight Mining Co.
  • Type Owner
    Owner Midnight Mining Co.

Workings at the site

  • Type of workings Underground
    Overall depth 6.1M

Comments on the workings information

  • SIZE OF THE DUMP IMPLIES A SHAFT THAT WAS ONLY A FEW TENS OF FEET

Comments on development

  • ECON.COM: SAWMILL

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

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.