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  3. Mineral Resource Data System (MRDS)

Negro Hill placers

Occurrence in Crook county in Wyoming, United States with commodities Tungsten, Tin, Gold, Garnet
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Land status
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10090606
MRDS ID D001372
Record type Site
Current site name Negro Hill placers
Alternate or previous names Nigger Hill Tin Deposits

Comments on the site names

  • The original site name contained a derogatory word that has been changed according to Department of the Interior policy outlined at http://geonames.usgs.gov/docs/pro_pol_pro.pdf. See Chap. 3, Policy V. The revised form of the name now appears in the permanent record as the "Current" or preferred site name, and the prior, derogatory name is labeled "Previous".

Geographic coordinates

Geographic coordinates: -104.06726, 44.36663 (WGS84)

Site location context

Political divisions (FIPS codes)

Crook(county)

Wyoming(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Old Baldy Mountain(quadrangle 1:24,000 scale)

Sundance(quadrangle 1:100,000 scale)

Gillette(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Redwater(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 Wyoming Crook

Commodities

Commodity Importance
Tungsten Critical Primary
Tin Critical Primary
Gold Primary
Garnet Primary

Materials information

Materials Type of material
Cassiterite Ore
Gold Ore
Wolframite Ore
Garnet Gangue
Quartz Gangue
Tourmaline Gangue

Mineral occurrence model information

Model code 56
USGS model code 17a
Deposit model name Placer Au
Model code 125
USGS model code 39g
Deposit model name Placer garnet

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

(1) -104.06726, 44.36663
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category National Forest
Area name Black Hills National Forest

Reference information

Bibliographic references

  • Deposit

    DARTON, N.H., 1905, USGS GEOL. ATLAS, FOLIO 127.

  • Deposit

    LEMMON, D.M., AND TWETO, O.L., 1962, TUNGSTEN IN THE U.S., USGS MAP, MR-25.

  • Deposit

    IRVING, J.D., 1904, USGS PROF. PAPER 26.

  • Deposit

    GSW BULL 50, P. 84.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-73 Elliott, James E. U.S. Geological Survey
Updater 01-AUG-82 Barari, Rachel A. U.S. Geological Survey
Editor 25-JUN-10 Wilson, Anna B. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site