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  3. Mineral Resource Data System (MRDS)

Skaggs Springs

Past Producer in Sonoma 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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Production statistics
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10040857
MRDS ID M055732
Record type Site
Current site name Skaggs Springs
Alternate or previous names Star Springs
Related records 10141638

Geographic coordinates

Geographic coordinates: -123.0333, 38.69016 (WGS84)
Elevation 122
Relative position 15 MI NW OF HEALDSBURG

Site location context

Political divisions (FIPS codes)

Sonoma(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Warm Springs Dam(quadrangle 1:24,000 scale)

Point Arena(quadrangle 1:100,000 scale)

Santa Rosa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Russian(hydrologic unit)

Northern California Coastal(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

USACE(Federal land areas administered by USACE)

Geographic areas

Country State County
United States California Sonoma

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 010N 011W 23,24,26 California

Comments on the location information

  • LOCATED AT COMMON CORNERS

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore
Metacinnabar Ore
Orpiment Gangue
Realgar Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -123.0333, 38.69016
ListMap

Economic information

Ore body information

  • Strike N 65 E
    Dip 55 SE

Controls for ore emplacement

  • Numerous Fractures, Lithologic Control Of Sandstone And Shale Beds

Comments on the geologic information

  • GEOL.DESC: HOT SPRINGS OCCUR IN THE DISTRICT

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1928
Production years 1931, 1934, 1941 - 1943

Mining district

District name Skaggs Springs

Ownership information

  • Type Owner
    Owner Leo Curtis

Production statistics

  • Year 1962
    Period To 1962
    Material HG
    Accuracy Estimate
    Description Cp_Grade: ^3-10 Lb/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Mercury Mercury 2936g/mt

Workings at the site

  • Type of workings Underground
    Length 556.26M
    Overall depth 41.15M

Reference information

Bibliographic references

  • Deposit

    EVERHART, D. L., 1950, SKAGGS SPRINGS QUICKSILVER MINE, SONOMA COUNTY, CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 46, P. 385 - 394

  • Deposit

    BAILEY, E. H., USGS, PERSONAL FILES

  • Deposit

    HONKE, M.T., JR. AND VER PLANCK, W.E., JR., 1950, MINES AND MINERAL RESOURCES OF SONOMA COUNTY, CALIF.: CJMG, V. 46 P. 98-105

  • Deposit

    RANSOME, A.L. AND KELLOGG, J.L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA, CJMG, V. 35, P. 353-486

  • 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.