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Mojave Annex

Past Producer in San Bernardino county in California, United States with commodities Tungsten, Lead, Copper, Silver
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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. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10035355
MRDS ID M022669
Record type Site
Current site name Mojave Annex
Related records 10140488

Geographic coordinates

Geographic coordinates: -115.34916, 35.28307 (WGS84)
Relative position 2 MILES SE OF BRANT

Site location context

Political divisions (FIPS codes)

San Bernardino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ivanpah(quadrangle 1:24,000 scale)

Ivanpah(quadrangle 1:100,000 scale)

Kingman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Ivanpah-Pahrump Valleys(hydrologic unit)

Central Nevada Desert Basins(hydrologic accounting unit)

Central Nevada Desert Basins(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Mojave National Preserve(National Preserve)

National Preserve 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 014N 015E 23 California

Commodities

Commodity Importance
Tungsten Critical Primary
Lead Tertiary
Copper Tertiary
Silver Tertiary

Materials information

Materials Type of material
Galena Ore
Wolframite Ore

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) -115.34916, 35.28307
ListMap

Economic information

Ore body information

  • Width 0.3M

Comments on the geologic information

  • GEOL.DESC: PEGMATITE DIKE IS 40 TO 50 FT. IN WIDTH, DIPS NEARLY VERTICAL.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1916 - 1917, 1920

Comments on the production information

  • PRODUCTION OF CONCENTRATES IN 1916, 1917, AND 1920, NO PRODUCTION VALUES AVAILABLE.

Comments on the workings information

  • 100 FT. ADIT DRIVEN ALONG DIKE.

Reference information

Bibliographic references

  • Deposit

    PARTRIDGE, J. F., 1941; TUNGSTEN RESOURCES OF CALIFORNIA; CA. JOUR. MINES AND GEOLOGY, VOL. 37, NO. 2, P. 307.

  • Deposit

    TUCKER, W. B. AND SAMPSON, R. J., 1931, LOS ANGELES FIELD DIVISION; 27TH REPT. STATE MINERALOGIST; CA. STATE DIV. OF MINES, P. 367.

  • Deposit

    WRIGHT, L. A. AND OTHERS, 1953; MINES AND MINERAL DEPOSITS, SAN BERNARDINO COUNTY, CA.; CA. JOUR. MINES AND GEOLOGY, VOL. 49, NOS. 1 & 2, P. 121.

  • Production

    PARTRIDGE, J. F.

General comments

Subject category Comment text
Deposit QUARTZ STRINGERS 1 TO 12 INCHES IN WIDTH, THEY ARE PARALLEL TO DIKE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1979 Fraticelli, L. A. (Albers, J.) 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

Authoritative California resources

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