Monarch Mine

Past Producer in Lawrence 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. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10055511
MRDS ID SD02072
Record type Site
Current site name Monarch Mine

Geographic coordinates

Geographic coordinates: -103.69724, 44.34385 (WGS84)
Elevation 1597
Relative position 3 MI. SOUTHEAST OF DEADWOOD, SOUTH DAKOTA

Site location context

Political divisions (FIPS codes)

Lawrence(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Deadwood South(quadrangle 1:24,000 scale)

Rapid City(quadrangle 1:100,000 scale)

Rapid City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Belle Fourche(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)

Geographic areas

Country State County
United States South Dakota Lawrence

Public Land Survey System information

Meridian Township Range Section Fraction State
Black Hills 004N;005N 003E;003E 01;35,36 South Dakota

Comments on the location information

  • NORTH EDGE OF SEC. 1 EXTENDING INTO SECS. 35 AND 36 . SEC. 1 IS NOT IN THE NATIONAL FOREST

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Silver Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock
    Rock unit name Porphyry Sills
    Rock description Porphyry Sills
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Cambrian

Nearby scientific data

(1) -103.69724, 44.34385

Economic information

Ore body information

  • Length 15.24M
    Width 4.57M

Controls for ore emplacement

  • In Dolomite Above Basal Quartzite, Lower Contact Zone

Comments on the geologic information

  • THE DEADWOOD FORMATION DIPS GENTLY TO THE EAST.

Economic information about the deposit and operations

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

Mining district

District name Two Bit (Whitewood) District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Owner-Operator
    Owner Black Hills Mining Corp.

Workings at the site

  • Type of workings Underground
    Overall depth 38.1M

Comments on the workings information

  • 200 FT. ADIT AND A 125 FT. SINGLE COMPARTMENT SHAFT, UP TO 3000 FT. OF DRIFTING AND CROSS-CUTTING

Comments on development

  • 6 CLAIMS, 56 AC

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit DIMENSIONS INFERRED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-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