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  3. Mineral Resource Data System (MRDS)

Negro Head Iron Deposit

Prospect in San Bernardino county in California, 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. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10036180
MRDS ID M024238
MAS/MILS ID 0060711441
Record type Site
Current site name Negro Head Iron Deposit
Alternate or previous names Nigger Head Iron Deposit

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

Point of reference Geographic coordinates: Elevation UTM Precision Relative position Point location
-115.62444, 34.07393 (WGS84) 610 1 1/2 MILES SE OF IVANHOE MINE
(click for info)
Ore Body -115.67639, 34.05504 (WGS84) 610

Site location context

Political divisions (FIPS codes)

San Bernardino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Clarks Pass(quadrangle 1:24,000 scale)

Sheep Hole Mountains(quadrangle 1:100,000 scale)

Needles(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Southern Mojave(hydrologic unit)

Southern Mojave(hydrologic accounting unit)

Southern Mojave-Salton Sea(hydrologic subregion)

California(hydrologic region)

Federal lands

Joshua Tree National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State County
United States California San Bernardino

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 001S 013E 21 California

Comments on the location information

  • Note: Narrative Location (1 1/2 Miles SE Of Ivanhoe Mine) Places This Mines In T. 1s. R. 12e, And Probably In Section 25.

Commodities

Commodity Importance
Iron Primary

Materials information

Materials Type of material
Hematite Ore
Magnetite Ore

Analytical data

Result ORE REPORTED TO ASSAY 60 % FE

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -115.62444, 34.07393
ListMap
Ore Body (2) -115.67639, 34.05504
ListMap

Economic information

Ore body information

  • Strike NW
    Dip VERTICAL
    Length 30.48M
    Width 1.83M

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Dale

Ownership information

  • Type Owner
    Owner Harry Olsen

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 24.38M

Comments on the workings information

  • 80 Ft. Vertical Shaft And Open Cuts

Reference information

Bibliographic references

  • Deposit

    Tucker, W.B. And Sampson, R.J., 1943; Mineral Resources San Bernardino: Ca. Jour. Mines And Geology, Vol. 39, No. 4, P. 471

  • Deposit

    Wright, L.A., Et Al, 1953; Mines And Mineral Resources San Bernardino, Ca.; Ca. Jour. Mines And Geology, Vol. 49, Nos. 1 and 2; P. 68 (Tabulated List Of Mines)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-80 Fraticelli, L. A. (Albers, J.) U.S. Geological Survey
Reporter 31-MAR-91 Ridenour, James U.S. Bureau of Mines

Beyond USGS

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

Maps centered on this site

Authoritative California resources

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