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Berthenia Mine

Occurrence in Napa county in California, United States with commodity Magnesite
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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. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10031611
MRDS ID M010703
Record type Site
Current site name Berthenia Mine

Geographic coordinates

Geographic coordinates: -122.25467, 38.50989 (WGS84)
Relative position SAID TO BE IN SODA VALLEY 12 MI. E OF RUTHERFORD. ADJOINS MATTHAI GROUP IN SEC. 36

Site location context

Political divisions (FIPS codes)

Napa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Chiles Valley(quadrangle 1:24,000 scale)

Healdsburg(quadrangle 1:100,000 scale)

Santa Rosa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Napa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 008N 004W 25 California

Commodities

Commodity Importance
Magnesite Primary

Materials information

Materials Type of material
Magnesite Ore

Nearby scientific data

(1) -122.25467, 38.50989
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: FISSURE STRIKES N 40 DEG. W, DIPS E AT 55 DEG. 3' OF FINE QUALITY MAGNESITE CAN BE TRACED FOR SEVERAL MILES.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    CALIF. DIV. MINES B. 79, P. 53

  • Deposit

    CALIF. ST. MNG. BUR. 12TH REPT., 1894, P. 328

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. 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.