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Evans I

Past Producer in Mariposa 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. Economic information about the deposit and operations
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10031009
MRDS ID M009556
Record type Site
Current site name Evans I
Related records 10237468

Geographic coordinates

Geographic coordinates: -120.11932, 37.60103 (WGS84)
Relative position 2 1/2 MI. N OF BEAR VALLEY

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)

Upper Merced(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 04S 17E 08 California

Comments on the location information

  • UTM EST. SEC. LINES PROJECTED. LOGAN, 1934 , SHOWS LOC AS SEC. 09

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • HIGH GRADE ORE MINED IN 1941

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

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

Nearby scientific data

(1) -120.11932, 37.60103
ListMap

Economic information

Ore body information

  • Strike N
    Dip STEEPLY E

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1941

Ownership information

  • Type Operator
    Owner Pacific Mining Co.

Comments on the production information

  • WORK DONE MOSTLY PRIOR TO 1880. LAST WORKED IN 1941 WHEN 2 TONS OF HIGH-GRADE ORE WERE TAKEN OUT. IDLE.

Comments on the workings information

  • DRIFT ADIT WITH SHORT CONNECTING WORKINGS TOTALING ABOUT 400 FEET.

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. 259 .

  • Deposit

    LOGAN, C. A., 1934 , MOTHER LODE GOLD BELT OF CALIF.: CDM BULL. 108 , RECORD SHEET FACING P. 188 .

  • Production

    BOWEN AND GRAY, 1957

General comments

Subject category Comment text
Deposit VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Hayden, F. (Albers, J.) U.S. Geological Survey
Updater 01-JAN-1979 Unknown 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.