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Ladd Mine

Unknown in San Joaquin county in California, United States with commodities Aluminum, Barium-Barite, Calcium, Iron, Manganese, Phosphorus-Phosphates, 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. Land status
  13. Ownership information
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10286747
MRDS ID M024304
MAS/MILS ID 0060770004
Record type Site
Current site name Ladd Mine
Related records 10036233

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -121.49682, 37.60681 (WGS84)
Elevation 324
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)

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 02 S2SESE California

Commodities

Commodity Importance
Aluminum Critical Tertiary
Barium-Barite Critical Tertiary
Calcium Tertiary
Iron Tertiary
Manganese Critical Tertiary
Phosphorus-Phosphates Tertiary
Silica Tertiary

Materials information

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

Nearby scientific data

Ore Body (1) -121.49682, 37.60681
ListMap

Economic information

Ore body information

  • Strike N45W
    Dip 75W
    Thickness 25M
    Length 250M
    Width 35M
    Depth to top 0M
    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 HYDROTHERMAL
    Primary Ore Control BEDDING
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. NONE
    Type of Wallrock Alter. #1 UNKNOWN
    Strike And Dip N45W:75W
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 3
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830316
  • Area 4HA
    Field Value
    Total Surface Area (HA) 4
    Date of Last Modification 910418

Economic information about the deposit and operations

Commodity type Both
Deposit size Small
Significant No
Discovery year 1867
Year of first production 1867

Mining district

District name Ladd

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner E. L. Lake Et. Al
    Interest 100
    Home office 12700 Lk. Ave. Lakewood, Oh 44107
    Year 1975

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Mining Method GLORY HOLE 10-37
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Year of Information 1975

Reference information

Bibliographic references

  • Deposit

    MANGANESE IN CALIFORNIA DM&G BULLETIN 152 PP 223-6,1950

  • Deposit

    D.M.G. BULL. 76, PG. 76,1918

  • Deposit

    U.S.B.M. REP. OF INVESTIGATION 4580,1949

General comments

Subject category Comment text
Deposit FIGURES IN THE 1941 USBM EXAMINATION REPORT AND THE MN MINED THIS REPORT WAS SUBTRACTED FROM THE FIGURES JULY 1977 BY DO

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

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

External references

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.