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Williams Brothers Gibbs

Occurrence 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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Land status
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10031286
MRDS ID M009955
Record type Site
Current site name Williams Brothers Gibbs

Geographic coordinates

Geographic coordinates: -119.80292, 37.63465 (WGS84)
Relative position NE1/4 31, NW1/4 32

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

El Portal(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 003S 020E 31,32 California

Commodities

Commodity Importance
Gold Primary
Silver Primary

Nearby scientific data

(1) -119.80292, 37.63465
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No
Discovery year 1865

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Earl, Ray, Fred, G. Williams, Ralph Zelers.

Comments on the production information

  • PROBABLY FIRST WORKED IN THE 1860'S AND SOME ACTIVITY UNTIL 1875. IDLE FOR SEVERAL DECADES DUE TO INACCESSIBILITY UNTIL PRESENT DEVELOPMENT WORK BEGUN IN 1949, AND STILL UNDER WAY IN 1956. SOME ORE MINED IN 1954 RAN $27.22 PER TON IN GOLD. IN 1953 SOME ORE TAKEN FROM THE OLD DUMPS YIELDED ABOUT $10 PER TON.

Comments on the workings information

  • THREE ADITS, 150, 75 AND 200 FT. LONG RESPECTIVELY, UPPER TO LOWER; APPARENTLY CONSIDERABLE STOPING DURING EARLY DAY OF OPERATION.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOLOGY, V. 53, NOS. 1 & 2, JAN.-APRIL, 1957, P. 185-187, 316

  • Deposit

    U.S. BUREAU OF MINES MIN. YEARBOOK 1954, MIN. INDUSTRY OF CALIF. (PREPRINT) P. 64.

General comments

Subject category Comment text
Deposit FOUR UNPATENTED CLAIMS, THE WILLAIMS BROTHERS AND THE 2, 4, 5, EXTENSIONS TOTALING ABOUT 80 ACRES. IN ADDITION TO THE GOLD, FLACKS OF OTHER SULFIDES SUCH AS SPHALERITE, GALENA AND ARSENOPYRITE MAY BE SEEN IN SOME OF THE ORE BUT ARE NOT COMMON.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. 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.