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Section 23 Mine

Producer in Stanislaus 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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10109401
MRDS ID M020278
Record type Site
Current site name Section 23 Mine
Related records 10238436

Geographic coordinates

Geographic coordinates: -121.39074, 37.48936 (WGS84)
Relative position ABOUT 1 MI. S. E. OF HAMILTON DEPOSIT

Site location context

Political divisions (FIPS codes)

Stanislaus(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)

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 Stanislaus

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 005S 005E 23 California

Comments on the location information

  • UTM APPROX, LOCATION IN BULL 152 IS 1 MI. N. E. OF HAMILTON DEPOSIT, BUT ACCORDING TO LOCATION DESCRIBED, IT IS 1 MI S. E. OF HAMILTON DEP. IN SEC. 15

Commodities

Commodity Importance
Manganese Critical Primary

Analytical data

Result AVERAGE GRADE 15 PERCENT MANGANESE

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Chert
    Rock unit name Franciscan Complex
    Rock description Franciscan Complex
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -121.39074, 37.48936
ListMap

Economic information

Ore body information

  • Thickness 6.1M
    Width 9.75M

Comments on the geologic information

  • ORE HOSTED IN FRANCISCAN COMPLEX--L. TO L. ; GEOL.DESC: VERY THICK BODY OF LOW GRADE STOCKWORK ORE. NEARLY FLAT LYING ORE BED IS 18 TO 20 FT. THICK, EXPOSED FOR A LENGTH OF 75 FT, 32 FT. WIDE, AND IS CUT BY SEVERAL FAULTS OF SMALL DISPLACEMENT. ORE IS MASSIVE WHITE CHERT PENETRATED WITH MANGANESE OXIDE, MOSTLY OF PSILOMELANE TYPE. PROMINENT SLICKEN SIDED FAULT SURFACE STRIKES N 10 W, AND DIPS 65 E.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No

Reference information

Bibliographic references

  • Deposit

    D.O.M. BULL. 152 1950 P. 297

  • Deposit

    D.O.M. BULL. 125 1943 P. 192

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1978 Killman, K.; 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.