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  3. Mineral Resource Data System (MRDS)

Cornucopia

Occurrence in Sonoma county in California, United States with commodities Copper, Cobalt
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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. Economic information about the deposit and operations
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10034329
MRDS ID M021090
Record type Site
Current site name Cornucopia
Alternate or previous names Squaw Creek, Healdsburg
Related records 10238965

Geographic coordinates

Geographic coordinates: -122.85886, 38.84155 (WGS84)
Relative position 14 MILES NE OF CLOVERDALE

Site location context

Political divisions (FIPS codes)

Sonoma(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

The Geysers(quadrangle 1:24,000 scale)

Healdsburg(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)

Geographic areas

Country State County
United States California Sonoma

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 012N 009W 33,34 California

Commodities

Commodity Importance
Copper Tertiary
Cobalt Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Calcite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -122.85886, 38.84155
ListMap

Economic information

Ore body information

  • Strike NW
    Dip NEAR VERTICAL
    Width 85M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Workings at the site

  • Type of workings Underground
    Length 108.2M

Comments on the workings information

  • ADIT 315 FT, SHAFT 40 FT.

Reference information

Bibliographic references

  • Deposit

    AUBURY, L.E., 1908 : COPPER RESOURCES IN CALIFORNIA BULL. 50 ; CALIF. MIN. BUR., P. 167

  • Deposit

    BRADLEY, W.W., 1916 ; SONOMA COUNTY: 14TH REPT. STATE MIN.; CALIF. MIN. BUR., P. 320

  • Deposit

    ERIC, J.H., 1948 ; COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 347

General comments

Subject category Comment text
Deposit VERY PROMINENT GOSSAN CROPPING TWO VEINS, 85 AND 10 FT. WIDE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 Fraticelli, L. A. (Albers, J.) 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.