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  3. Mineral Resource Data System (MRDS)

London Quartz

Past Producer in Mariposa county in California, United States with commodities Gold, Copper, Iron
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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. Mining district
  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 10034722
MRDS ID M021602
Record type Site
Current site name London Quartz
Alternate or previous names Young America
Related records 10285285

Geographic coordinates

Geographic coordinates: -120.02709, 37.55687 (WGS84)
Elevation 814

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 004S 018E 30 California

Commodities

Commodity Importance
Gold Primary
Copper Secondary
Iron Secondary

Materials information

Materials Type of material
Quartz Gangue

Nearby scientific data

(1) -120.02709, 37.55687
ListMap

Economic information

Ore body information

  • Strike NW
    Dip 70 DEG NE
    Thickness 0.56M

Economic information about the deposit and operations

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

Mining district

District name Whitlock

Workings at the site

  • Type of workings Underground
    Overall depth 9.14M

Comments on the workings information

  • LITTLE DEVELOPMENT, SHORT DRIFT & SHAFT.

Reference information

Bibliographic references

  • Deposit

    CASTELLO, W.O., 1921 , MINES AND MINERAL RESOURCES OF MARIPOSA COUNTY IN SEVENTEENTH REPORT OF THE STATE GEOLOGIST: CALIFORNIA STATE MINING BUREAU, P. 120 - 121

General comments

Subject category Comment text
Deposit QUARTZ VEIN
Deposit NO RECENT WORK ( 1920 ). ONE UNPATENTED CLAIM LOCATED IN 1912 .

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-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.