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  3. Mineral Resource Data System (MRDS)

Keller Mine Group

Past Producer in Santa Clara county in California, United States with commodities Manganese, Silica
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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. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10164842
MRDS ID W025091
MAS/MILS ID 0060850018
Record type Site
Current site name Keller Mine Group
Alternate or previous names Dead Oak and Black Horse Claims
Related records 10077449

Geographic coordinates

Point of reference Trench
Geographic coordinates: -121.45772, 37.37632 (WGS84)
Elevation 800
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Santa Clara(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Boardman(quadrangle 1:24,000 scale)

San Jose(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Francisco Bay(hydrologic unit)

San Francisco Bay(hydrologic accounting unit)

San Francisco Bay(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Santa Clara

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 006 S 005 E 32 N2N2NW California

Comments on the location information

  • CLAIMS ARE ONE HALF MILE APART ALONG N BORDER OF SEC.32

Commodities

Commodity Importance
Manganese Critical Tertiary
Silica Tertiary

Materials information

Materials Type of material
Chert Unknown
Glaucophane Unknown
Psilomelane Unknown

Nearby scientific data

Trench (1) -121.45772, 37.37632
ListMap

Economic information

Ore body information

  • Strike N30W
    Dip 85S
    Thickness 7M
    Length 35M
    Width 3M
    Depth to top 1M
    Field Value
    MAS Matrix # 1
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 SHEAR ZONE
    Primary mode of Origin SEDIMENTATION
    Secondary mode of Origin OXIDATION
    Primary Ore Control LITHOLOGY
    Secondary Ore Control BEDDING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 INTERM ARGILLIC
    Strike And Dip N30W:85S
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830316
  • Area 2HA
    Field Value
    Total Surface Area (HA) 2
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1940
Year of first production 1941

Mining district

District name Tesla-Bl.Wonder

Mineral rights holdings

Type of mineral rights Fee Ownership

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Colonica,G. L And K. L.,1420 University Ave.,San Jose,Ca.95126
    Interest 100
    Home office California
    Year 1975

Reference information

Bibliographic references

  • Deposit

    TRASK-GEO DESCRIPTION CAL MN DEPS-CAL.DIV.OF MINES,BUL.152 A

  • Deposit

    TRENGROVE,RR,1960,USBM. R.I.5579

  • Deposit

    VOLIN-INVESTIG BLK WONDER MN DEPS-USBM RPT.OF INVEST.5254 SE

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Deino, Al 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.