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  3. Mineral Resource Data System (MRDS)

Western World

Past Producer in Yuba county in California, United States with commodities Copper, Silver, Gold, Zinc
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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. Materials information
  8. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10048795
MRDS ID MP90021
Record type Site
Current site name Western World
Alternate or previous names Dempsey Ranch Prospect Late 1800's
Related records 10190503

Geographic coordinates

Geographic coordinates: -121.29271, 39.17489 (WGS84)
Relative position ONE MILE SOUTH OF SMARTVILLE, YUBA COUNTY

Site location context

Political divisions (FIPS codes)

Yuba(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Smartsville(quadrangle 1:24,000 scale)

Yuba City(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Bear(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Yuba

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 15N}15N 6E}6E 2,3}4,10,11 W2 (02); SE4 (03) California

Commodities

Commodity Importance
Copper Primary
Silver Primary
Gold Primary
Zinc Critical Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Sphalerite Ore
Tetrahedrite Ore

Alteration

  • (Local) Chloritic

Mineral occurrence model information

Model code 184
USGS model code 28a
Deposit model name Massive sulfide, kuroko
Mark3 model number 93

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock
    Rock unit name Smartville Complex
    Rock description Smartville Complex
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -121.29271, 39.17489
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Isoclinally Folded And Faulted Metamorphic Belt Whose Bedding, Foliations And Major Structural Features Generally Trend Northwest And Dip Steeply To The East.

Ore body information

  • General form LENSE
    Depth to top 48.77M

Controls for ore emplacement

  • Strata

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant Yes
Discovery year 1973
Discoverer (Re-Discovery) Exploration Resources Incorporated

Reference information

Bibliographic references

  • Deposit

    TAYLOR, GARY C ., 1990, MINERAL LAND CLASSIFICATION OF THE WESTERN WORLD MINING COMPANY COPPER-ZINC DEPOSITS NEAR SMARTVILLE, YUBA COUNTY, CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY OPEN FILE REPORT 90-1, 22 P.

  • Deposit

    AMERICAN MINES HANDBOOK, 1994

  • Production

    TAYLOR, 1990

Reporter information

Type Date Name Affiliation Comment
Reporter 19-JUL-1995 Sachiko Tanikawa 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.