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  3. Mineral Resource Data System (MRDS)

Harp and Sons Ranch Deposits.

Occurrence in Lake county in California, United States with commodity Chromium
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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 10092307
MRDS ID M008941
Record type Site
Current site name Harp and Sons Ranch Deposits.
Related records 10187908

Geographic coordinates

Geographic coordinates: -122.66135, 38.77377 (WGS84)
Relative position NE1/4 NE1/4

Site location context

Political divisions (FIPS codes)

Lake(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Whispering Pines(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 Lake

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 011N 007W 29 California

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Nearby scientific data

(1) -122.66135, 38.77377
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on the production information

  • MINE ABOUT 50 TONS OF ORE SAID TO HAVE CONTAINED 50 TO 52% CR2O3. MINED OUT BY 1918.

Reference information

Bibliographic references

  • Deposit

    CALIF. DIV. MINES BULL. 134, PT. II, CH.1 ,P.12

  • Deposit

    CDM BULL. 166, P. 61,PL.2

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.