Canavieiras Mine

Past Producer in Bahia, Brazil with commodities Gold, Uranium
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10065234
MRDS ID TC40341
Record type Site
Current site name Canavieiras Mine
Alternate or previous names Lagartixa Canavieiras, Reefs: Maneira, Hollandes, No. 3, Liberino, No. 4, Piritosa

Geographic coordinates

Geographic coordinates: -40.5156, -11.2192 (WGS84)
Relative position 4.7 KM SOUTH OF JACOBINA.

Site location context

Political divisions (FIPS codes)

Bahia(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Bahia

Comments on the location information

  • IN SERRA DE JACOBINA, SOUTH AND NEAR TOWN OF JACOBINA, 350 KM BY ROAD NW OF SALVADOR.

Commodities

Commodity Importance
Gold Primary
Uranium Tertiary

Comments on the commodity information

  • GOLD VARIES 0.05 TO 0.1 MM IN SIZE.

Materials information

Materials Type of material
Gold Ore
Pitchblende Ore
Pyrite Ore
Uraninite Ore
Quartz Gangue
Tourmaline Gangue
Zircon Gangue

Analytical data

Result MANEIRA, HOLLANDES, LIBERINO REEFS, 0.001% U3O8 EQUIVALENT OVER 300, 420, 375 M SAMPLES. PIRITOSO REEF, 0.006% U3O8 EQUIVALENT OVER 350 M.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate
    Rock unit name Serro Do Corrego Formation, Jacobina Series
    Rock description Serro Do Corrego Formation, Jacobina Series

Nearby scientific data

(1) -40.5156, -11.2192

Economic information

Ore body information

  • Strike N-S
    Dip 40-70E
    Length 160M
    Width 200M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1700

Mining district

District name Jacobina District

Ownership information

  • Type Operator
    Owner Mineracao Northfield Ltda
    First year 1950
    Last year 1966

Production statistics

  • Year 1966
    Period 1950-1966
    Material ORE
    Description Cp_Grade: ^18.31 G/Mt Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Gold Gold 18g/mt

Comments on the production information

  • AU FINENESS IN BARS; 870.5-923.0 AVERAGED 894.4 (JULY 1963 TO FEB. 1964); 1959-1960 PRODUCED 30 TONS PER DAY WITH 18 G/MT AU.

Comments on the workings information

  • SEVERAL ADITS AND STOPES.

Comments on development

  • COMPANHIA MINAS JACOBINA PRODUCED 84 KG OF GOLD IN REGION 1896-1897. PROBLEMS OF AU IN PYRITE SHUT DOWN THE MINES, CONTINUED WORK IN 1930S.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit 28 CONGLOMERATE BEDS TOTALLING 145 M THICK IN 555 M OF STRATIGRAPHIC THICKNESS; UNIT REPRESENTS A FLUVIAL BRAIDED STREAM.
Deposit JACOBINA SERIES THRUST OVER GRANITIC GNEISS.
Deposit Discovery Year: 17TH CENTURY

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1993 Page, Norman J. U.S. Geological Survey

Beyond USGS

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