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Holmstatt Deposit

Past Producer 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. Ore body information
  10. Economic information about the deposit and operations
  11. Mineral rights holdings
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10163478
MRDS ID M008932
MAS/MILS ID 0060330040
Record type Site
Current site name Holmstatt Deposit
Alternate or previous names Holmstedt
Related records 10030646

Geographic coordinates

Point of reference Claim
Geographic coordinates: -122.62247, 38.69908 (WGS84)
Elevation 561
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Lake(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Detert Reservoir(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 010 N 007 W 22 C California

Commodities

Commodity Importance
Chromium Critical Tertiary

Materials information

Materials Type of material
Chromite Unknown
Serpentine Unknown

Nearby scientific data

Claim (1) -122.62247, 38.69908
ListMap

Economic information

Ore body information

  • Dip 00S
    Thickness 45M
    Length 375M
    Width 105M
    Depth to top 0M
    Field Value
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 LENTICULAR
    Primary mode of Origin MAGMATIC DIFFER
    Primary Ore Control LITHOLOGY
    Strike And Dip :00S
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 820823

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1918
Year of first production 1918

Mineral rights holdings

Type of mineral rights Fee Ownership

Ownership information

  • Type Owner
    Owner Victor Holmstedt And Van Warner
    Home office California
    Year 1976
  • Type Operator
    Owner J. H. Scott Mining Co. Of San Franciso-Leased 1943
    Home office California
    Year 1976

Comments on the reserve resource information

  • THE AVERAGE GRADE OF ORE IS 13 PERCENT CHROMITE INSUFFICIENT DATA FOR MATRIX CALCULATIONS.

Reference information

Bibliographic references

  • Deposit

    DOW,D.H.,AND THAYER,T.P.,1946,CDMAND G BULL 134,PT.2,CHAP.1,

Reporter information

Type Date Name Affiliation Comment
Reporter 22-MAY-1986 Western Field Operations Center (WFOC) U.S. Bureau of Mines

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.