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  3. Mineral Resource Data System (MRDS)

Negro Gulch Bog Iron Deposit

Past Producer in Lawrence county in South Dakota, United States with commodity Iron
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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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  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. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10104238
MRDS ID SD02204
Record type Site
Current site name Negro Gulch Bog Iron Deposit

Geographic coordinates

Geographic coordinates: -103.76085, 44.15913 (WGS84)
Elevation 1725
Relative position 3 MILES NORTHWEST OF ROCHFORD, SOUTH DAKOTA AND 0.5 MILE WEST OF THE CHICAGO, BURLINGTON & QUINCY RAILROAD TRACKS.

Site location context

Political divisions (FIPS codes)

Lawrence(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Nahant(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 Lawrence

Public Land Survey System information

Meridian Township Range Section Fraction State
Black Hills 002N 003E 04 South Dakota

Comments on the location information

  • SE 1/4

Commodities

Commodity Importance
Iron Primary

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Alluvium
    Rock unit name Pyritic, Graphitic, Slates And Schists
    Rock description Pyritic, Graphitic, Slates And Schists
    Stratigraphic age (youngest) Holocene
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -103.76085, 44.15913
ListMap

Economic information

Ore body information

  • Thickness 0.61M
    Length 804.65M
    Width 15.24M

Controls for ore emplacement

  • Valleys

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-Operator
    Owner Fremont F. Clarke And Carl Leute

Workings at the site

  • Type of workings Surface
    Area 6475HA

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

    U.S. GEOLOGICAL SURVEY, U.S. BUREAU OF RECLAMATION, AND SOUTH DAKOTA GEOLOGICAL 1975, MINERAL AND WATER RESOURCES OF SOUTH DAKOTA, SOUTH DAKOTA GEOLOGICAL SURVEY BULLETIN 16

General comments

Subject category Comment text
Deposit DEPOSIT CONSISTS OF BEDDED IRON - RICH MATERIAL AND POROUS REPLACEMENT OF ORGANIC MATERIAL IN SWAMPY AREAS.

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.

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