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  3. Mineral Resource Data System (MRDS)

Rex

Past Producer in San Bernardino county in California, United States with commodity Gold
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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. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10103379
MRDS ID M023637
Record type Site
Current site name Rex
Alternate or previous names Rex & Valencia Hill Group
Related records 10232072

Geographic coordinates

Geographic coordinates: -115.61501, 34.97085 (WGS84)
Elevation 808
Relative position 4 MI. NW OF SUMMIT OF FOUNTAIN PEAK

Site location context

Political divisions (FIPS codes)

San Bernardino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fountain Peak(quadrangle 1:24,000 scale)

Amboy(quadrangle 1:100,000 scale)

Needles(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Mojave(hydrologic unit)

Northern Mojave(hydrologic accounting unit)

Northern Mojave-Mono Lake(hydrologic subregion)

California(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 010N 013E 09 California

Comments on the location information

  • UTM ACC. REF. PLACES MINE IN SEC. 10. TOPO. INDICATES SEC. 9

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) -115.61501, 34.97085
ListMap

Economic information

Ore body information

  • General form IRREGULAR
    Thickness 76.2M

Controls for ore emplacement

  • Free Gold Occurs Along Fractures

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Comments on the production information

  • A SMALL AMOUNT OF AU ORE WAS PRODUCED IN 1934.

Comments on the workings information

  • 2 SHAFTS, 30 AND 60 FT. DEEP AND 300 FT. DRIFT, SMALL MILL ON PROPERTY, OPEN CUTS.

Reference information

Bibliographic references

  • Deposit

    WRIGHT, L.A., AND OTHERS, 1953, MINES AND MINERAL DEPOSITS OF SAN BERNARDINO COUNTY, CALIFORNIA, TABULATED LIST: CALIF. JOUR. MINES AND GEOLOGY, V. 49, NOS. 1 & 2, P. 55

  • Deposit

    TUCKER, W.B. AND SAMPSON, R.J., 1931, GOLD-SAN BERNARDINO COUNTY, CALIF.: CALIF. JOUR. MINES AND GEOLOGY, V. 27, P. 310

  • Production

    WRIGHT (1953)

General comments

Subject category Comment text
Deposit BEING DEVELOPED IN 1952. 5 CLAIMS ORIGINALLY. ; INFO.SRC : 1 PUB LIT
Deposit SHEAR ZONES, 4-12 FT. THICK DIP VERTICAL TO STEEPLY WEST

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1979 Nelson, Scott C. (Albers, John, P.) U.S. Geological Survey

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.