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  3. Mineral Resource Data System (MRDS)

Rathburn 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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Production statistics
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10040765
MRDS ID M055634
Record type Site
Current site name Rathburn Group
Alternate or previous names May Day, Last Resort, Old Kentucky, Juniper

Geographic coordinates

Geographic coordinates: -122.44968, 39.07682 (WGS84)
Elevation 610
Relative position 4 MI N OF WILBUR SPRINGS

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)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California Colusa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 014N 005W 06 California

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore

Alteration

  • (Local) Silicified Serpentine

Host and associated rocks

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

Nearby scientific data

(1) -122.44968, 39.07682
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Local Fractures

Controls for ore emplacement

  • Silicified Fractures In Serpentine

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1893 - 1894

Mining district

District name Wilbur Springs

Ownership information

  • Type Owner
    Owner Walter Petray

Production statistics

  • Year 1960
    Period To 1960
    Material HG
    Accuracy Estimate
    Description Cp_Grade: ^48 Lb/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Mercury Mercury 21680g/mt

Comments on the workings information

  • NOW CAVED

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    BAILEY, E. H., USGS, PERSONAL FILES

  • Deposit

    RANSOME, A.L. AND KELLOGG, J.L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG, V. 35, P. 353-558

  • 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.

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.