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Lubanko

Producer in Amador county in California, United States with commodity Manganese
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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. Land status
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10109106
MRDS ID M005155
Record type Site
Current site name Lubanko
Related records 10259784

Geographic coordinates

Geographic coordinates: -120.74824, 38.47018 (WGS84)
Relative position ABOUT 3 1/2 MI SE OF FIDDLETOWN

Site location context

Political divisions (FIPS codes)

Amador(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pine Grove(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Mokelumne(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Amador

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 007N 011E 10 California

Comments on the location information

  • LOCATED IN SE 1/4 SECTION 10

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Psilomelane Ore
Pyrolusite Ore

Economic information

Ore body information

  • Strike N 50 DEG E
    Dip 20 - 30 NW
    Thickness 1.22M
    Length 24.38M

Comments on the geologic information

  • GEOL.DESC: LENSES OF PSILOMELANE AND SOME PYROLUSITE; 1 TO 3 FT. THICK OCCUR IN MASSIVE METACHERT. METACHERT ENCLOSED IN RHYTHMICALLY BEDDED METACHERT WITH ORIGINAL SHALE PARTINGS. SHOWS SOME OCCURRENCE OF RHODOCROSITE.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Louis Lubanko

Comments on the production information

  • PROPERTY LEASED BY DR. J. T. STACY DURING WORLD WAR II AND A FEW TRUCK LOADS OF MANGANESE ORE WERE MINED AND SHIPPED WITH A PART OF A SHIPMENT FROM THE STIRNAMAN MINE. IDLE SINCE WWII. THE SMALL AMOUNT OF ORE SHIPPED AVERAGED 52 PERCENT MANGANESE, 3 PERCENT IRON, AND 4.5 PERCENT SILICA.

Comments on the workings information

  • TWO FAIRLY LARGE CUTS AND TWO SMALL ADITS

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V.50, NO.1, JAN.1954, P.202,269

  • Deposit

    US BUREAU OF MINES MIN. YEARBOOK, V. 3, 1955, P. 206; 1956, P. 211

  • Deposit

    U.S. BUREAU OF MINES RI 5579, P. 21; DMEA APPL'N 3298 BY CENTURY MNG CO- REPORTED 6/10/54 BY R. SMITH & TRENGONE - DMEA INDEX P. 19

General comments

Subject category Comment text
Deposit THE LENSES GRADE INTO LOW-GRADE ORE. AN ORE BODY 80 FT. LONG HAS BEEN EXPOSED BY THE DEVELOPMENT WORK. RHODONITE MINED IN 1955 AND 1956, FOR GEM STONE MATERIAL

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey
Updater 01-APR-1977 Von Dohlen, E.; Albers, J. U.S. Geological Survey

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.