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  3. Mineral Resource Data System (MRDS)

Red Rock

Past Producer in Santa Barbara county in California, United States with commodity Mercury
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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. 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 10040875
MRDS ID M055754
Record type Site
Current site name Red Rock
Alternate or previous names Eagle, Cachuma Eaglemerchrome

Geographic coordinates

Geographic coordinates: -119.91289, 34.72193 (WGS84)
Elevation 914
Relative position 23 MI NE OF SOLVANG

Site location context

Political divisions (FIPS codes)

Santa Barbara(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Figueroa Mountain(quadrangle 1:24,000 scale)

Cuyama(quadrangle 1:100,000 scale)

Los Angeles(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Santa Ynez(hydrologic unit)

Central California Coastal(hydrologic accounting unit)

Central California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Los Padres 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 Santa Barbara

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 007N;008N 029W;029W 02;35 California

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore
Chromite Gangue
Dickite Gangue
Dolomite Gangue
Pyrite Gangue

Alteration

  • (Local) Silica Carbonate Alteration Of Serpentine

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Franciscan Complex
    Rock description Franciscan Complex

Nearby scientific data

(1) -119.91289, 34.72193
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Nw Fault Dipping Steeply. Other Sets Also Under Knoxville
Type of structure Local
Structure description Ne Trending Faults Intersecting With N Trending Faults

Ore body information

  • General form IRREGULAR, PIPE, TABULAR
    Strike N 6 E
    Dip 50 E
    Width 9.14M

Controls for ore emplacement

  • Local Faults, Fault Breccia

Comments on the geologic information

  • THERE ARE 3 SETS OF MINERALIZED FAULTS. HOST ROCKS WERE LISTED AS KNOXVILLE. FRANCISCAN COMPLEX CONSISTS OF SANDSTONES, SHALES, CHERT, GREENSTONE, AND SERPENTINE. MIOCENE MONTEREY SHALES AND LIMESTONES ARE PRESENT.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1867
Year of first production 1867
Production years 1905, 1907, 1910, 1912-1913, 1916-1921, 1932-1938, 1940-1946

Mining district

District name Cachuma

Ownership information

  • Type Owner-Operator
    Owner National Mining And Milling Co.
    First year 1946

Production statistics

  • Year 1962
    Period To 1962
    Material HG
    Accuracy Estimate
    Description Cp_Grade: ^2-10 Lb/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Mercury Mercury 2711g/mt

Workings at the site

  • Type of workings Unknown
    Length 1889.76M
    Overall depth 106.68M

Comments on the workings information

  • 6 ORE BODIES CONSTITUTE THE MINE. WORKINGS LARGELY INACCESSIBLE

Comments on development

  • RECOMMENDED DMEA CONTRACT BE DENIED IN 1958

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    EVERHART, D.L., 1950, QUICKSILVER DEPOSITS OF THE CACHUMA DISTRICT, SANTA BARBARA COUNTY, CALIFORNIA: CJMG V. 46, P. 509-532

  • Deposit

    RANSOME, A. L. AND KELLOGG, J. L., 1939, QUICKSILVER RESOURCES IN CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 35, 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.

  • 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.

External references

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.