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  3. Mineral Resource Data System (MRDS)

Clear Lake Gem Mining Company Or & Near Perini Hill

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

Geologic information

Identification information

Deposit ID 10030651
MRDS ID M008946
Record type Site
Current site name Clear Lake Gem Mining Company Or & Near Perini Hill
Related records 10163559

Geographic coordinates

Geographic coordinates: -122.66135, 38.8746 (WGS84)
Relative position SE1/4 SE1/4

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)

Upper Cache(hydrologic unit)

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 012N 007W 20 California

Commodities

Commodity Importance
Gemstone Primary

Nearby scientific data

(1) -122.66135, 38.8746
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Significant No

Comments on the production information

  • BEING MINED AND CUT INTO GEMS.

Reference information

Bibliographic references

  • Deposit

    CALIF. REPT. 25, NO. 3, JULY 1929, P. 342; B. 166, P. 62

General comments

Subject category Comment text
Deposit BULL. 166 SAYS STONES ARE QUARTZ AND CORDIERITE.

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.