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Williams Brothers

Past Producer in Mariposa county in California, United States with commodities Gold, Zinc, Lead
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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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Land status
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10034751
MRDS ID M021642
Record type Site
Current site name Williams Brothers
Alternate or previous names Gibbs
Related records 10286064

Geographic coordinates

Geographic coordinates: -119.76848, 37.70049 (WGS84)
Elevation 1219
Relative position SE SLOPE BROWNS PEAK 3 MI S, 1 MI W EL PORTAL

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

Stanislaus National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Yosemite National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

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

Comments on the location information

  • UTM EST. AIT EST

Commodities

Commodity Importance
Gold Primary
Zinc Critical Secondary
Lead Secondary

Materials information

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

Nearby scientific data

(1) -119.76848, 37.70049
ListMap

Economic information

Ore body information

  • Strike N 40 W
    Dip NE 25 - 90
    Thickness 6.1M
    Depth to top 0M

Economic information about the deposit and operations

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

Land status

Ownership category National Forest

Comments on the production information

  • PUMP MATERIAL WORKED 1953 , ADIT WORKED 1954 .

Workings at the site

  • Type of workings Underground
    Length 129.54M

Comments on the workings information

  • WORKED 1955 , 3 ADITS. PROBABLY FIRST WORKED 1860'S.

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. 185 - 186 , 316

General comments

Subject category Comment text
Deposit VEIN, 6 - 20 FT THICK, AVG 6 - 8 FT

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.