Black Bart Mine

Past Producer in Lake county in California, United States with commodities Chromium, Iron
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. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10260458
MRDS ID M008926
MAS/MILS ID 0060330033
Record type Site
Current site name Black Bart Mine
Alternate or previous names Tucker Lease, Great Western Mine
Related records 10102842

Geographic coordinates

Point of reference Trench
Geographic coordinates: -122.64357, 38.71318 (WGS84)
Elevation 701
Location accuracy 10(meters)

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 010 N 007 W 16 NWNESW California

Commodities

Commodity Importance
Chromium Critical Tertiary
Iron Tertiary

Materials information

Materials Type of material
Chromite Unknown
Olivine Unknown
Pyroxene Unknown
Serpentine Unknown

Nearby scientific data

Trench (1) -122.64357, 38.71318

Economic information

Ore body information

  • Strike N90E
    Dip 45S
    Thickness 2M
    Length 15M
    Width 15M
    Area 1HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 IRREGULAR
    Shape of Orebody #2 TABULAR
    Shape of Orebody #3 LENTICULAR
    Primary mode of Origin MAGMATIC DIFFER
    Primary Ore Control LITHOLOGY
    Secondary Ore Control IGNEOUS
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 CARBONITIZATION
    Type of Wallrock Alter. #2 SILICIFICATION
    Strike And Dip N90E:45S
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 1
    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 1917
Year of first production 1918

Mining district

District name Mount St. Helens

Mineral rights holdings

Type of mineral rights Patented
Type of mineral rights Located Claim

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Anglo-American Mining Co. (Last Operator)
    Home office California
    Year 1976
    Last year 1942

Reference information

Bibliographic references

  • Deposit

    BRADLEY,WW ET AL,1918,MN&CR IN CAL,CAL ST MINING BUR BULL 76

  • Deposit

    DAVIS,EF,1918,COOP WAR MIN INVEST IN CAL,LAKE CO NO.1,UNPUBL

  • Deposit

    DOW,DH&THAYER,TP,1946-CR-CAL. CALDIV MINES BULL 134,PT2,CH1,

General comments

Subject category Comment text
Deposit DOW & THAYER 1946 STATE THAT ORE RANGES FROM 20 TO 50 PER CE 3,SHIPMENTS AVERAGED 48% CR2O3 PRODUCTION ESTIMATES VARY-APP TONS SHIPPED,ALL WW1 NO RESERVES-NEW ORE BODIES WOULD HAVE FOUND FOR MINING TO CONTINUE

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Stinson U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.