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

Mount Zion

Past Producer in Contra Costa county in California, United States with commodities Copper, Gold, Silver
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. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10029568
MRDS ID M007203
Record type Site
Current site name Mount Zion
Related records 10114664

Geographic coordinates

Geographic coordinates: -121.9441, 37.83184 (WGS84)
Relative position NW1/4 NW1/4; TUNNEL SYMBOLS ON TOPO MAP.

Site location context

Political divisions (FIPS codes)

Contra Costa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Diablo(quadrangle 1:24,000 scale)

Stockton(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Suisun 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 Contra Costa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 001N 001W 23 California

Comments on the location information

  • NW 1/4 UTM EST.

Commodities

Commodity Importance
Copper Primary
Gold Secondary
Silver Secondary

Analytical data

Result ASSAYS OF AU, AG & CU EQUALED $4.75/TON

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase

Nearby scientific data

(1) -121.9441, 37.83184
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: COPPER MINERALS, CONTAINING SOME GOLD AND SILVER, IN BRECCIATED DIABASE. ASSAY VALUES OF AU, AG, CU, EQUALED $4.75 PER TON.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1901 , 1918

Mining district

District name Mount Diablo

Comments on the production information

  • NO PRODUCTION REPORTED

Comments on the workings information

  • TWO ADITS (INACCESSIBLE) MOUNT ZION ADIT SAID TO BE ABOUT 1,100 FT. LONG

Reference information

Bibliographic references

  • Deposit

    ERIC, J.H., 1948 : COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES , P. 224

  • Deposit

    PAMPEYAN, E.H., 1963 , GEOLOGY AND MINERAL DEPOSITS OF MOUNT DIABLO, CONTRA COSTA COUNTY; CALIFORNIA DIVISION OF MINES AND GEOLOGY, SPECIAL REPORT 80 , P. 21

  • Production

    ERIC, J.H., 1948

General comments

Subject category Comment text
Deposit BRECCIA ZONE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey
Updater 01-FEB-1979 Fraticelli, L. A. (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.