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Newman Estacia Property

Producer in Alameda 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. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10109084
MRDS ID M004681
Record type Site
Current site name Newman Estacia Property
Related records 10284354

Geographic coordinates

Geographic coordinates: -121.63992, 37.56797 (WGS84)
Elevation 960
Relative position 12 MI. SE OF LIVERMORE

Site location context

Political divisions (FIPS codes)

Alameda(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mendenhall Springs(quadrangle 1:24,000 scale)

Stockton(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Francisco Bay(hydrologic unit)

San Francisco Bay(hydrologic accounting unit)

San Francisco Bay(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Alameda

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004S 003E 22 California

Comments on the location information

  • LOCATED IN W 1/2 OF SW 1/4 SECTION 22, UTM APPROX.

Commodities

Commodity Importance
Manganese Critical Primary

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    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) -121.63992, 37.56797
ListMap

Economic information

Ore body information

  • Dip 10 TO 30 SW
    Thickness 0.91M

Comments on the geologic information

  • ORE HOSTED IN FRANCISCAN COMPLEX - L. TO L. ; GEOL.DESC: MANGANESE ORE AND HEAVY STAINING IN BEDDED CHERTS. ORE MOSTLY SILICEOUS, BUT SMALL POCKETS OF MANGANESE OXIDES WITH OR WITHOUT NUMEROUS VEINS OF QUARTZ ARE FOUND. BOG MANGANESE IS ASSOCIATED WITH A SPRING IN THE AREA.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1880

Ownership information

  • Type Owner
    Owner Mabel Newman
    First year 1950

Comments on the production information

  • LARGE BODY HAS BEEN WORKED SINCE 1880, FROM TIME TO TIME. PRODUCTION IS 350 TONS. THE MAIN BODY IS A MASSIVE SILICEOUS BED ENCLOSED IN AND CONFORMABLE TO, WELL-BEDDED GREEN RADIOLARIAN CHERT AND SHALE. THE DIP VARIES FROM 10 DEG TO 30 DEG SW; THE THICKNESS OF THE ORE BED VARIES FROM 2-3FT,WITH AVE.OF 2.5FT.IT CONTAINS SMALL POCKETS OF ORE OF GOOD QUALITY BUT FOR THE MOST PART IS SILICEOUS.ABOUT 230 FT. NW OF MAIN WORKING A SMALL PIT EXPOSES OXIDE ORE IN CHERT WHICH MIGHT BE PROSPECTED - OTHER LOCATIONS DO NOT APPEAR TO HAVE COMMERCIAL ORE

Comments on the workings information

  • LARGE OPEN CUT, SMALL PITS

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 46, NO.2. APRIL 1950, P.344, PL. 58

  • Deposit

    DOM BULL. 125, P.101

  • Deposit

    BULL. 152, P.25

  • Deposit

    BULL. 140 , P. 66 , PL. 1

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.