Cambria

Past Producer in San Luis Obispo county in California, United States with commodity Mercury
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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Ownership information
  17. Production statistics
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. Reporter information

Geologic information

Identification information

Deposit ID 10040893
MRDS ID M055775
Record type Site
Current site name Cambria
Alternate or previous names Bank
Related records 10116553

Geographic coordinates

Geographic coordinates: -121.0621, 35.63329 (WGS84)
Elevation 533
Relative position 10 MI NE OF CAMBRIA

Site location context

Political divisions (FIPS codes)

San Luis Obispo(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pebblestone Shut-in(quadrangle 1:24,000 scale)

Cambria(quadrangle 1:100,000 scale)

San Luis Obispo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Central Coastal(hydrologic unit)

Central California Coastal(hydrologic accounting unit)

Central California Coastal(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California San Luis Obispo

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 026S 008E 36 California

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore

Alteration

  • (Local) Silica Carbonate Alteration Of Serpentine

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1) -121.0621, 35.63329

Economic information

Geologic structures

Type of structure Local
Structure description Nw Trending Faults

Ore body information

  • Strike NW
    Dip NE
    Thickness 12.19M
    Length 54.86M
    Width 45.72M

Controls for ore emplacement

  • Nw Trending Faults

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1903
Production years 1903 - 1917, 1932 - 1934, 1939 - 1940

Mining district

District name Cambria - Oceanic

Ownership information

  • Type Owner
    Owner Williams, Tony

Production statistics

  • Year 1962
    Period To 1962
    Material HG
    Accuracy Estimate
    Description Cp_Grade: ^5-20 Lb/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Mercury Mercury 3388g/mt

Workings at the site

  • Type of workings Underground
    Length 1188.72M
    Overall depth 45.72M

Comments on the workings information

  • WORKINGS LARGELY INACCESSIBLE. INACTIVE SINCE 1940

Reference information

Bibliographic references

  • Deposit

    HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252

  • Deposit

    ECKEL, E. B., YATES, R. G., AND GRANGER, A. E., 1940, QUICKSILVER DEPOSITS IN SAN LUIS OBISPO COUNTY AND SOUTHWESTERN MONTEREY COUNTY, CALIFORNIA: USGS BULL. 922-R, P. 515 - 580

  • Deposit

    RANSOME, A. L. AND KELLOGG, J. L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 39, P. 353 - 486

  • Deposit

    BAILEY, E. H., USGS, PERSONAL FILES

  • Deposit

    5) BRADLEY, W.W., 1918, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG BULL. 78, 389 P.

  • Deposit

    6) FRANKE, H.A., 1935, MINES AND MINERAL RESOURCES OF SAN LUIS OBISPO COUNTY, CALIF.: CJMG, V. 31, P. 434-455

  • Production

    USBM DATA

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.