1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Murmac 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 10116720
MAS/MILS ID 0060850029
Record type Site
Current site name Murmac Group
Alternate or previous names Patterson,Chicago Claims

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -121.43912, 37.39272 (WGS84)
Elevation 830
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 21 C SWSW California

Commodities

Commodity Importance
Manganese Critical Tertiary
Silica Tertiary

Materials information

Materials Type of material
Chert Unknown
Psilomelane Unknown
Pyrolusite Unknown
Quartz Unknown

Nearby scientific data

Ore Body (1) -121.43912, 37.39272
ListMap

Economic information

Ore body information

  • Strike N40E
    Dip 35N
    Thickness 8M
    Length 40M
    Width 10M
    Depth to top 3M
    Field Value
    MAS Matrix # 1
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 STOCKWORK
    Type of Orebody #3 DISSEMINATED
    Primary mode of Origin SEDIMENTATION
    Secondary mode of Origin OXIDATION
    Primary Ore Control BEDDING
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. NONE
    Strike And Dip N40E:35N
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 3
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830316
  • Area 10HA
    Field Value
    Total Surface Area (HA) 10
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
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 Stadtler, P. N And Lois
    Interest 100
    Home office 25755 American Ave.,Hilmar,CA 95324
    Year 1975

Reference information

Bibliographic references

  • Deposit

    CDMG,BULL.152,1950 (TRASK,ET.AL.)

  • Deposit

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

  • Deposit

    VOLIN,TRENGROVE,MATSON,1956,USBM R.I.5254.

Reporter information

Type Date Name Affiliation Comment
Reporter 22-MAY-1986 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.