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Von Glahn

Producer in Lake county in California, United States with commodity Manganese
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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 10109223
MRDS ID M008917
Record type Site
Current site name Von Glahn
Related records 10163825

Geographic coordinates

Geographic coordinates: -122.66385, 38.73905 (WGS84)
Relative position 3 1/2 MI. FROM MIDDLETOWN

Site location context

Political divisions (FIPS codes)

Lake(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Saint Helena(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 010N 007W 05 California

Comments on the location information

  • LOCATED IN SW 1/4 SECTION 5 , 5 PROSPECTS WERE WORKED, NOS 1 TO 5

Commodities

Commodity Importance
Manganese Critical Primary

Comments on the commodity information

  • SMALL QUANTITY OF SILICEOUS LOW-GRADE ORE, OF NO ECONOMIC VALUE.

Materials information

Materials Type of material
Cinnabar Gangue

Nearby scientific data

(1) -122.66385, 38.73905
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: FRANCISCAN CHERT WITH ABUNDANT SHEARING ALONG BEDDING PLANES AND FORMING CROSS FAULTS, AND OPENINGS ARE FILLED WITH SECONDARY QUARTZ AND MANGANESE OXIDES. SOME CHERT IS HEAVILY STAINED WITH MANGANESE, AND SOME THIN BEDDED RED CHERT IS INTERBEDDED WITH RED MANGANIFEROUS SHALES.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Ownership information

  • Type Operator
    Owner Henry Von Glahn

Comments on the production information

  • PRODUCTION 1 TO 149 TONS. CONTAINS LESS THAN 20% MN.

Comments on the workings information

  • 15-FT. TRENCH AND 3 SMALL OPEN PITS

Reference information

Bibliographic references

  • Deposit

    CALIF. B. 125, 1943, P. 128

  • Deposit

    CALIF. BULL. 152, PP.98-99

General comments

Subject category Comment text
Deposit SEVERAL PROSPECTS ARE PRESENT, BUT ALL ARE LOW IN GRADE AND SMALL IN SIZE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-DEC-1977 Killman, K.; 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.