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Early

Past Producer in Mariposa county in California, United States with commodities Gold, Silver, Copper, Lead, Tungsten
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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. Land status
  13. Ownership information
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10102920
MRDS ID M009906
Record type Site
Current site name Early
Alternate or previous names Revel, Louisa, Felix, George Placer
Related records 10285648

Geographic coordinates

Geographic coordinates: -119.87459, 37.57076 (WGS84)
Relative position 1 1/2 MI. W. OF JERSEYDALE.

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Buckingham Mountain(quadrangle 1:24,000 scale)

Yosemite Valley(quadrangle 1:100,000 scale)

Mariposa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Merced(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Federal lands

Sierra 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 Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004S 019E 20,21 California

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Copper Secondary
Lead Tertiary
Tungsten Critical Tertiary

Comments on the commodity information

  • ARGENTIFEROUS GALENA, HIGH-PERCENTAGE OF SULFIDE. SHOWINGS OF SCHEELITE IN THE VEIN MATTER, AND QTZ. DIORITE. MOST HIGH-GRADE SCHEELITE IS IN STRINGERS 2 - 4 IN. WIDE.

Materials information

Materials Type of material
Gold Ore
Pyrite Ore
Scheelite Ore
Quartz Gangue

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) -119.87459, 37.57076
ListMap

Economic information

Ore body information

  • General form TABULAR, PINCH & SWELL
    Strike N 25 E
    Dip 60 SE
    Thickness 1.83M

Comments on the geologic information

  • GEOL.DESC: 2 SETS OF VEINS CUT HORNBLENDE DIORITE; MOST VEINS AVERAGE 2 - 3 FT. IN THICKNESS BUT WIDEN TO AS MUCH AS 6 FT. LOCALLY.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1884
Production years 1909 - 1914 , 1917 - 1920 , 1932 - 1933 , 1934 - 1946 , - 1952

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Robin H. And Edythe E. Jackson

Comments on the production information

  • WORKED INTERMITTENTLY. TOTAL RECORDED PRODUCTION 1909 - 1952 , $22,600 . BESIDES TABLE FIGURES, IN 1932 - 1933 SEVERAL HUNDRED TONS YIELDED 264.47 OZ AU, 147 OZ AG.

Workings at the site

  • Type of workings Surface/Underground
    Area 32.376HA
    Overall depth 45.72M

Comments on the workings information

  • A SHAFT 150 FT. DEEP WITH SEVERAL HUNDRED FT. OF DRIFTS. AN 800 FT. ADIT STOPED TO HEIGHT OF 150 FT., 40 FT. CROSSCUT-TUNNEL. ANOTHER SHAFT - 16 FT., ADITS, SURFACE TRENCHES. 1954 BULLDOZER CUTS.

Reference information

Bibliographic references

  • Deposit

    BOWEN, O. E., JR., & GRAY, H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIF.: CALIF. JOUR. MINES & GEOL., VOL. 53 , NOS. 1 & 2 , P. 96 - 98 , 256 .

  • Deposit

    CASTELLO, W. O., 1921 , MARIPOSA COUNTY: 17TH REPORT STATE MINERALOGIST ( FOR 1920 ), P. 121 .

  • Deposit

    17TH REPT. ST. MIN. P. 121

  • Production

    BOWEN & GREY, 1957

General comments

Subject category Comment text
Deposit VEINS
Deposit 80 ACRES PATENTED, KNOWN AS GEORGE PLACER, INCLUDING FORMER EARLY, LOUISA, REVEL AND REVEL NO. 2 AND FELIX LODE CLAIMS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-DEC-1978 Hayden, F. (Albers, J.) 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.