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  3. Mineral Resource Data System (MRDS)

Central - Empire Group

Past Producer in Colusa 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. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10040762
MRDS ID M055630
Record type Site
Current site name Central - Empire Group
Alternate or previous names Little Giant, Dewey, Hidden Treasure - Mercury Queen, Mercury King
Related records 10162517

Geographic coordinates

Geographic coordinates: -122.42607, 39.03405 (WGS84)
Elevation 427
Relative position 24 MI SW OF WILLIAMS

Site location context

Political divisions (FIPS codes)

Colusa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Wilbur Springs(quadrangle 1:24,000 scale)

Lakeport(quadrangle 1:100,000 scale)

Ukiah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Cache(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Colusa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 014N 005W 28,29 California

Comments on the location information

  • LOCATED ON CENTRAL SHAFT, NORTH AND SOUTH SIDE OF SULFUR CREEK

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore

Alteration

  • (Local) Silicification Of Serpentine

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -122.42607, 39.03405
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Serpentine - Shale Contact

Ore body information

  • Thickness 9.14M
    Depth to bottom 15.24M

Controls for ore emplacement

  • Brecciation And Alteration Of Serpentine

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1873
Year of first production 1926
Production years 1873, 1875, 1890, 1926

Mining district

District name Wilbur Springs

Ownership information

  • Type Owner
    Owner J. W. Cuthbert (Estate)

Production statistics

  • Year 1960
    Period To 1960
    Material HG
    Accuracy Accurate
    Description Cp_Grade: ^3-5 Lb/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Mercury Mercury 1807g/mt

Comments on the workings information

  • WORKINGS NOW CAVED. SEVERAL HUNDRED FEET OF WORKINGS.

Reference information

Bibliographic references

  • Deposit

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

  • 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

    LOGAN, C.A., 1929, MINING IN CALIFORNIA, COLUSA COUNTY: REPT. OF STATE MINERALOGIST, V. 25, P. 295-299

  • Deposit

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

  • Production

    BAILEY, E. H., USGS, PERSONAL FILES

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.

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.