1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Negrohead

Occurrence in Del Norte county in California, United States with commodity Chromium
Map
XML
JSON
KML
C
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. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10029744
MRDS ID M007498
MAS/MILS ID 0060150070
Record type Site
Current site name Negrohead
Alternate or previous names Niggerhead

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 Ore Body
Geographic coordinates: -123.976, 41.859 (WGS84)
Relative position SW1/4

Site location context

Political divisions (FIPS codes)

Del Norte(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Gasquet(quadrangle 1:24,000 scale)

Happy Camp(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Smith(hydrologic unit)

Northern California Coastal(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Six Rivers 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 Del Norte

Public Land Survey System information

Meridian Township Range Section Fraction State
Humboldt 017N 002E 17 SW1/4 California

Comments on the location information

  • LATITUDE-LONGITUDE VALUES CALCULATED FROM TOWNSHIP, RANGE, SECTION. Location modified by comparison of description (on switchback) with prospect symbol on Gasquet 7.5 topo map (1/30/2009).

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Nearby scientific data

Ore Body (1) -123.976, 41.859
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on the production information

  • About One Ton Of 40-50 Percent Chromic Oxide Content Ore Has Been Mined. About 6 Tons Of Medium-Grade Ore Are Piled By One Of The Cuts; No Ore Is To Be Seen In Place.

Comments on the workings information

  • Small Open Cuts.

Reference information

Bibliographic references

  • Deposit

    California Journal Vol. 37, NO. 1, JAN. 1941, PP. 118-19

  • Deposit

    1946, California Bulletin 134, PT. 1, CH. 1, p. 45-46

General comments

Subject category Comment text
General Doug Causey - I combined information from DEP_ID 10284463 and deleted that record. The information was almost exactly the same between these two records.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey
Reporter 04-NOV-1983 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

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

External references

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.