Negro Hill Mine

Producer in Siskiyou county in California, United States with commodities Gold, Platinum
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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10038053
MRDS ID M045322
Record type Site
Current site name Negro Hill Mine
Alternate or previous names Niggerhill Hydraulic Mine

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: -123.28113, 41.24012 (WGS84)
Elevation 411
Relative position 15 MI UP SALMON RIVER FROM SOMES BAR

Site location context

Political divisions (FIPS codes)

Siskiyou(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Youngs Peak(quadrangle 1:24,000 scale)

Hoopa(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Salmon(hydrologic unit)

Klamath(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Klamath 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 California Siskiyou

Public Land Survey System information

Meridian Township Range Section Fraction State
Humboldt 010N 008E 20,21,27,28,29 California

Comments on the location information

  • Unsurveyed. In Klamath National Forest. Placer Extends 0.5 Mi Up Negro Creek From Henry Bell Gulch. Location Given Is For Tailings Shown On Topo Map Between Henry Bell Gulch And Negro Creek.

Commodities

Commodity Importance
Gold Primary
Platinum Critical Secondary

Comments on the commodity information

  • A Pt Nugget Weighing 1/2 Oz Reported

Materials information

Materials Type of material
Gold Ore
Platinum Ore

Mineral occurrence model information

Model code 119
USGS model code 39a
Deposit model name Placer Au-PGE
Mark3 model number 54

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Stratigraphic age (youngest) Holocene

Nearby scientific data

(1) -123.28113, 41.24012

Economic information

Ore body information

  • General form STREAM SEDIMENT DEPOSITS
    Thickness 9.14M
    Depth to top 18.29M

Controls for ore emplacement

  • Stream Hydraulics

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1855

Mining district

District name Salmon River

Land status

Ownership category National Forest

Comments on the production information

  • Pge Not Saved Until 1917

Comments on the workings information

  • Hydraulic

Reference information

Bibliographic references

  • Deposit

    LOGAN, C.A., 1919, PLATINUM AND ALLIED METALS IN CALIFORNIA: CALIFORNIA STATE MINING BUREAU BULLETIN 85, P. 79.

  • Deposit

    CLARK, W.B., 1970, GOLD DISTRICTS OF CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY BULLETIN 193, P. 141.

  • Deposit

    SPENCER, C.H., JR., 1971, STATISTICAL CORRELATION OF PLATINUM METALS WITH HEAVY MINERALS IN STREAM SEDIMENTS OF THE KLAMATH MOUNTAINS, CALIFORNIA: SAN JOSE, CALIFORNIA STATE UNIVERSITY, M.S. THESIS, P. 31.

  • Deposit

    CLARK, W.B., 1970, PLATINUM: CALIFORNIA DIVISION OF MINES AND GEOLOGY MINERAL INFORMATION SERVICE, V. 23, NO. 6, P. 116.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1974 Blair, Will N. U.S. Geological Survey
Updater 01-JAN-1989 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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

External references

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.