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

Cummings

Past Producer in San Joaquin county in California, United States with commodities Manganese, Silica
Map
XML
JSON
KML
C
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. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10262735
MRDS ID M020143
MAS/MILS ID 0060770002
Record type Site
Current site name Cummings
Alternate or previous names Lone Tree,Section 13
Related records 10033550

Geographic coordinates

Point of reference Trench
Geographic coordinates: -121.48382, 37.58631 (WGS84)
Elevation 584
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

San Joaquin(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lone Tree Creek(quadrangle 1:24,000 scale)

Stockton(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Panoche-San Luis Reservoir(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California San Joaquin

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004 S 004 E 13 NWSWNE California

Commodities

Commodity Importance
Manganese Critical Tertiary
Silica Tertiary

Materials information

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

Nearby scientific data

Trench (1) -121.48382, 37.58631
ListMap

Economic information

Ore body information

  • Strike N45W
    Dip 60N
    Thickness 2M
    Length 250M
    Width 25M
    Depth to top 1M
    Field Value
    MAS Matrix # 1
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 IRREGULAR
    Type of Orebody #2 SHEAR ZONE
    Type of Orebody #3 DISSEMINATED
    Primary mode of Origin SEDIMENTATION
    Secondary mode of Origin HYDROTHERMAL
    Primary Ore Control BEDDING
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. NONE
    Strike And Dip N45W:60N
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 1
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830316
  • Area 5HA
    Field Value
    Total Surface Area (HA) 5
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Deposit size Large
Significant No
Year of first production 1914

Mineral rights holdings

Type of mineral rights Fee Ownership

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Naftzger,R. E.,9601 Wilshire Blvd.,Suite 226,Bev. Hills,Ca
    Interest 100
    Home office California
    Year 1976

Reference information

Bibliographic references

  • Deposit

    BRADLEY,1918,MN AND CR IN CALIF, CMB BULL. 76

  • Deposit

    TRASK,ET.AL.,1950,GEOL.RECON. OF MN.IN CALIF,CDM #152

  • Deposit

    TRENGROVE,1960,GEOL.DESC. OF MN IN CALIF.,USBM R.I.5579

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-84 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.