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Moran Brothers 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 10033655
MRDS ID M020276
Record type Site
Current site name Moran Brothers Mine
Related records 10141465

Geographic coordinates

Geographic coordinates: -121.36852, 37.54102 (WGS84)
Relative position AT THE HEAD OF CEDAR SPRINGS GULCH, A TRIBUTARY OF INGRAM CREEK ABOUT 0.3 MI. S. E. OF THE LIBERTY MINE.

Site location context

Political divisions (FIPS codes)

Stanislaus(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Solyo(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 Stanislaus

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004S 005E 36 California

Comments on the location information

  • LOCATED IN CENTER OF SW 1/4 SE 1/4 SECTION 36

Commodities

Commodity Importance
Manganese Critical Primary

Analytical data

Result AVERAGE GRADE 40 PERCENT MANGANESE

Host and associated rocks

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

Nearby scientific data

(1) -121.36852, 37.54102
ListMap

Economic information

Ore body information

  • Strike N. W.
    Dip 60 N. E.
    Thickness 1.83M

Comments on the geologic information

  • ORE HOSTED IN FRANCISCAN COMPLEX--L. TO L. ; GEOL.DESC: ORE OCCURS IN WHITE CHERT IN 2 ZONES SEPARATED BY A GREENSTONE BODY 25 FT. THICK AND 500 FT. LONG. ORE ABOVE GREENSTONE IS MASSIVE ORE 1.5 FT. THICK, AND BELOW THE GREENSTONE IT IS DISSEMINATED ORE IN CHERT ABOUT 6 FT. THICK. STRIKE IS N. W. AND DIP IS 60 N. E. MANGANESE OCCURS AS LENSES OF MANGANIFEROUS CARBONATE. PRIMARY ORE IS A MIXTURE OF MANGANIFEROUS CHERT AND MANGANESE CARBONATE. SOME PINK RHODOCHROSITE VEINS ARE PRESENT. THE GREENSTONE BODY MAY BE A SUBMARINE FLOW.

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 PP. 295 - 296

  • Deposit

    D.O.M. BULL. 125 1943 P. 191

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.