1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Winship Properties

Occurrence in Alameda county in California, United States with commodity Magnesite
Map
XML
JSON
KML
C
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. Economic information about the deposit and operations
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10027984
MRDS ID M004689
Record type Site
Current site name Winship Properties
Related records 10283960

Geographic coordinates

Geographic coordinates: -121.5977, 37.55324 (WGS84)
Relative position S 1/2 25,SE 1/4 34,S 1/2 35

Site location context

Political divisions (FIPS codes)

Alameda(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cedar Mountain(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 25,34,35 California

Commodities

Commodity Importance
Magnesite Primary

Materials information

Materials Type of material
Magnesite Ore

Nearby scientific data

(1) Franciscan melange
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Owner
    Owner K. D. Winship (Estate)

Comments on the production information

  • PROPERTY IN SEC. 25 WAS WORKED BY LESSEES IN 1917, WHO PROSPECTED AND PERFORMED SOME DEVELOPMENT WORK. SOME OF THE LARGER PATCHES IN SEC. 34 WERE WORKED AT THE MAGNESIA MINE. AS THESE AREAS LIE IN A RATHER DEEP CANYON , A BRANCH OF THE ARROYO DEL VALLE, TRANSPORTATION WOULD BE DIFFICULT AND EXPENSIVE. V.N LS NO.2 LISTS ONLY 34 AND 35. BIM SAY NO MINERAL IN S 1/2 SEC. 34

Comments on the workings information

  • SOME PROSPECTING AND DEVELOPMENT WORK

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 46, NO.2, APRIL 1950, P.343, PL. 58

  • Deposit

    DOM BULL. 79, P.42-3

  • Deposit

    BULL. 140, PL. 1 (GEOLOGY)

General comments

Subject category Comment text
Deposit ADD. REF. NO.4. USGS BULL. 430, P.173

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. 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.