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  3. Mineral Resource Data System (MRDS)

San Joaquin 7 Mine

Prospect in San Joaquin 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. 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 10213733
MAS/MILS ID 0060770007
Record type Site
Current site name San Joaquin 7 Mine
Alternate or previous names Doak,Johnson.

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -121.65603, 37.74491 (WGS84)
Elevation 300
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Alameda(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Altamont(quadrangle 1:24,000 scale)

Stockton(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Joaquin Delta(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 12 C SENW California

Commodities

Commodity Importance
Manganese Critical Tertiary
Silica Tertiary

Materials information

Materials Type of material
Chert Unknown
Psilomelane Unknown

Nearby scientific data

Main Entrance (1) -121.65603, 37.74491
ListMap

Economic information

Ore body information

  • Strike N45W
    Dip 65S
    Thickness 1M
    Length 20M
    Width 10M
    Depth to top 2M
    Field Value
    MAS Matrix # 1
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 UNKNOWN
    Primary mode of Origin SEDIMENTATION
    Primary Ore Control LITHOLOGY
    Secondary Ore Control BEDDING
    Degree of Wallrock Alter. NONE
    Strike And Dip N45W:65S
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 2
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830316
  • Area 6HA
    Field Value
    Total Surface Area (HA) 6
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Metallic
Significant No

Mineral rights holdings

Type of mineral rights Fee Ownership

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Earp Kh And Dn,Frybarger,H. B.
    Interest 100
    Home office California
    Year 1975

Comments on the workings information

  • INCLUDES SMALL ADIT 300 METERS W.OF GIVEN LOCATION FOR RESOU

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES. & GEO. V.51, NO.1, JAN. 1955, P.47-8,89

  • Deposit

    1/2MI. SE. OF LADD MINE.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Burnett 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.