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Rex

Past Producer in Mariposa county in California, United States with commodities Gold, 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. Ownership information
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10031106
MRDS ID M009698
Record type Site
Current site name Rex
Alternate or previous names Recorder, Rumley
Related records 10260525

Geographic coordinates

Geographic coordinates: -120.12488, 37.57186 (WGS84)
Elevation 732
Relative position W SAXON CK NEAR MEBOLD MINE.

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bear Valley(quadrangle 1:24,000 scale)

Oakdale(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Fresno River(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004S 018E 20 California

Comments on the location information

  • UTM EST E1/2E1/2

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -120.12488, 37.57186
ListMap

Economic information

Ore body information

  • General form POCKET
    Strike N
    Dip 30 E
    Thickness 0.46M
    Depth to top 0M

Economic information about the deposit and operations

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

Ownership information

  • Type Operator
    Owner Charles M. Schroeder

Production statistics

  • Year 1938
    Period 1924 - 1938
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^233.95 Oz Au, 34 Oz Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 960g
    Major Ore Gold Gold 6606g

Comments on the production information

  • POCKETS PRODUCED $200/DAY IN 1928 FROM ORE CRUSHED IN A HAND MORTAR.

Reference information

Bibliographic references

  • Deposit

    BOWEN, O. E., JR., GRAY, C. H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIFORNIA: CALIF. JOUR. MINES AND GEOLOGY, V. 53 , NOS. 1 AND 2 , P. 300

  • Production

    BOWEN & GRAY, 1957

General comments

Subject category Comment text
Deposit VEIN, 4 - 18 IN THICK ANOTHER VEIN 2 IN - 2 FT THICK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 Bowman, J. And 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.