Western World

Plant in Yuba county in California, United States with commodities Copper, Gold, Silver
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. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Reserves and resources
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10190503
MRDS ID MP90021
MAS/MILS ID 0061150157
Record type Site
Current site name Western World
Related records 10048795

Geographic coordinates

Geographic coordinates: -121.28434, 39.18319 (WGS84)

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 015 N 006 E 03 C S2 California

Commodities

Commodity Importance
Copper Primary
Gold Secondary
Silver Secondary

Materials information

Materials Type of material
Chalcopyrite Unknown
Pyrite Unknown
Quartz Unknown
Sphalerite Unknown

Nearby scientific data

(1) -121.28434, 39.18319

Economic information

Ore body information

  • Strike N00S
    Dip 03E
    Thickness 50M
    Length 250M
    Width 190M
    Depth to top 20M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 OTHER
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 REPLACEMENT
    Shape of Orebody #2 OTHER
    Type of Orebody #3 DISSEMINATED
    Primary mode of Origin OTHER
    Primary Ore Control BEDDING
    Secondary Ore Control LITHOLOGY
    Type of Wallrock Alter. #1 SILICIFICATION
    Type of Wallrock Alter. #2 SERICITIC
    Type of Wallrock Alter. #3 INTERM ARGILLIC
    Strike And Dip N00S:03E
    Minimum Depth to Top 3
    Avg. Thick. Unconsol. Mat. 17
    Min. Thick. Unconsol. Mat. 1
    Date of Last Modification 830316
  • Area 20HA
    Field Value
    Total Surface Area (HA) 20
    Date of Last Modification 910418

Comments on the geologic information

  • G-TOB OTHER IS MASSIVE SULFIDE G-ORI OTHER IS SYNGENETIC HEAVY METALS COME FROM VOLCANICS A SEA WATER G-SOB OTHER IS PANCAKE SHAPED THE ORE BODY IS A STRATAFORM MASSIVE SULFIDE DEPOSIT THAT IS FAULTED IN THE CENTER BY AN E-W NORMAL FAULT. THE NORTH HALF IS DOWNDROPPED 50M AND OCCURS 53 METERS DOWN THE SOUTH HALF IS 3 METERS BELOW THE SURFACE

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Deposit size Medium
Significant Yes
Discovery year 1973
Mining method Open Pit
Plant type Beneficiation (Mill)
Milling method Flotation

Mining district

District name Smartville

Mineral rights holdings

Type of mineral rights Private Lease
Type of mineral rights Fee Ownership
Type of mineral rights Other

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Plexus Resources Corp.
    Interest 75
    Year 1992
  • Type Owner
    Owner United Gunn Resources Ltd.
    Interest 25
    Year 1992
  • Type Owner
    Owner Jim Bright Exploration Resources Reno Nevada
    Interest 50
    Home office Nevada
    Year 1978

Reserves and resources

  • Type In-situ
    Estimate year 1992
    Demonstrated 1320000mt ore
    Total resources 1320000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 2.62 wt-pct Copper Major 1992
    Silver Ag 14 g/mt Silver Minor 1992
    Gold Au 1 g/mt Gold Minor 1992

Comments on the reserve resource information

  • 3000000 METRIC TONS ARE DRILLED OUT AND REPRESENT MEASURED ORE. 2.5 PERCENT COPPER IS OVERALL GRADE: CLOSE TO HALF OF THE DEPOSIT RUNS IN EXCESS OF 6.0 PERCENT COPPER

Reference information

Bibliographic references

  • Reserve-Resource

    MINING JOURNAL, V 318 N 8162, 2-28-92,P 150.

  • Deposit

    BRIGHT,JIM, 1978 EXPLORATION RESOURCES, RENO NEVADA:PERSONAL

  • Deposit

    COMMUNICATION ON JULY 15 AND 28, 1978-*CONFIDENTIAL*

  • Deposit

    JOSEY,W.,SUPERIOR OIL COMPANY ,TUSCON ARIZONA:PERSONAL COMM.

  • Deposit

    ON JULY 28, 1978. *CONFIDENTIAL*

  • Deposit

    MOTTER, JACK, EXPLORATION RESOURCES, RENO NEVADA; PERSONAL

  • Deposit

    WETZEL, N, AND NOKLEBERG, W., 1976, PLATE TECTONIC AND STRUC

  • Deposit

    RELATIONS FOR THE ORIGIN AND DEFORMATION OF THE WESTERN

  • Deposit

    METAMORPHIC BELT ALONG THE MARGIN OF THE CENTRAL SIERRA

  • Deposit

    NEVADA BATHOLITH:ABSTRACT GSA 72ND ANNYAL MEETING

  • Deposit

    CORDILLERAN SECTION, APRIL 1976, VOL 8 NO. 3. P. 420

  • Deposit

    XENOPHONTUS, C AND BOND, G.C., 1978, PETROLOGY, SEDIMENTATIO

  • Deposit

    AND PALEOGEOGRAPHY OF THE SMARTVILLE TERRANE (JURASSIC)

  • Deposit

    BEARING ON THE GENESIS OF THE SMARTVILLE OPHIOLITE*IN

  • Deposit

    MESOZOIC PALEOGEOGRAPHY OF THE WESTERN UNITED STATES,

  • Deposit

    PACIFIC COAST PALEOGEOGRAPHY SYMPOSIUM NO. 2 SEPM APRIL 26,7

General comments

Subject category Comment text
Deposit SUPERIOR OIL COMPANY, 1978. MASSIVE SULFIDE WOULD BE MINED BY OPEN PIT METH AT A COST OF 3$ PER TON. CONCENTRATION BY FLOATATION AT A COST OF 4$ PER TON 1976 DOLLARS HOLDING OTHER IS PRIVATELY OWNED LAND

Reporter information

Type Date Name Affiliation Comment
Reporter 26-JUN-1997 Wetzel, Nicholas U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.