Duggan's Shaft

Occurrence in Pennington county in South Dakota, United States with commodities Lead, Silver, Gold
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. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10055623
MRDS ID SD02224
Record type Site
Current site name Duggan's Shaft
Alternate or previous names Duggan's Prospects

Geographic coordinates

Geographic coordinates: -103.57335, 44.0794 (WGS84)
Elevation 1524
Relative position 0.5 MI SOUTHWEST 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 001N 005E 06 South Dakota

Comments on the location information

  • NW 1/4

Commodities

Commodity Importance
Lead Primary
Silver Primary
Gold Secondary

Materials information

Materials Type of material
Galena Ore
Pyrite Ore
Quartz Gangue

Analytical data

Result ASSAY INDICATES 0.02 OZ. GOLD, 4 OZ. SILVER, 3% LEAD

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) -103.57335, 44.0794

Economic information

Ore body information

  • Thickness 0.15M

Controls for ore emplacement

  • Vein In Country Rock

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 Owner
    Owner John Duggan

Comments on the workings information

  • DEVELOPMENT FOLLOWED A 6 IN. VEIN

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

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.