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  3. Mineral Resource Data System (MRDS)

White Rock Mine Pope Valley, Walters

Producer 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. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10109278
MRDS ID M010751
Record type Site
Current site name White Rock Mine Pope Valley, Walters

Geographic coordinates

Geographic coordinates: -122.37689, 38.65406 (WGS84)

Site location context

Political divisions (FIPS codes)

Napa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Aetna Springs(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)

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 Napa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 009N 005W 02 California

Commodities

Commodity Importance
Magnesite Primary

Materials information

Materials Type of material
Magnesite Ore

Nearby scientific data

(1) -122.37689, 38.65406
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner F. R. Swensey

Comments on the production information

  • PRODUCTION WAS 100 TONS DAILY IN 1922. DEVELOPED INTO ONE OF THE LARGEST PRODUCERS OF THE STATE.

Comments on the workings information

  • OPEN CUT, TUNNEL, DRIFTS.

Reference information

Bibliographic references

  • Deposit

    CALIF. BULL. 79, 1925, PP. 56-58

  • Deposit

    REPT. 25, 1929, P. 219

  • Deposit

    USGS BULL. 355, 1908, PP. 28-29

General comments

Subject category Comment text
Deposit CLOSED DOWN IN MAY 1923. PROSPECT SYMBOL IN SE1/4 SE1/4 SEC. 2. NO SERP. IN 4,11

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.