Fortaleza O'Toole De Minas

Prospect in Minas Gerais, Brazil with commodities Cobalt, Copper, Nickel, PGE, Sulfur
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Ownership information
  9. Workings at the site
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10207267
MAS/MILS ID 3510230134
Record type Site
Current site name Fortaleza O'Toole De Minas

Geographic coordinates

Point of reference Town
Geographic coordinates: -48.49904, -20.99748 (WGS84)
Location accuracy 10000(meters)

Site location context

Political divisions (FIPS codes)

Minas Gerais(province)

Brazil(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Brazil Minas Gerais

Commodities

Commodity Importance
Cobalt Critical Secondary
Copper Secondary
Nickel Critical Primary
PGE Critical Tertiary
Sulfur Secondary

Nearby scientific data

Town (1) -48.49904, -20.99748

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Both
Significant Yes
Discovery year 1983

Ownership information

  • Type Owner
    Owner Bp Mineracao
    Interest 100
    Home office Brazil
    Year 1987
  • Type Operator
    Owner Mineracao Serra Da Fortaleza Ltd.
    Interest 100
    Home office Brazil
    Year 1987

Comments on the ownership information

  • MINING MAGAZINE APRIL 1994 , P240 STATES THAT MENARACAO SERRA DE E FOTALEZA TO DAVY INTERNATIONAL TO PERFORM A FEAS. STUDY. THE STUDY WILL BE BASED ON 9,000 MT /YR NICKEL, COPPER, COBALT AND PG PGM RECOVERY. FEAS. STUDY SHOULD BE DONE BY MID-94.

Comments on the reserve resource information

  • INFERRED TONNAGE IS EXTREMELY LARGE, BUT AT 0.74 NICKEL AND .48 COPPER

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN STOPE
    Percent Waste Rock 13.2
    Percent Recovery 100
    Slope of Inclines 11
    Capacity 1800
    Capacity Units MT ORE/DAY
    Operating Days per Year 250
    Year of Information 1987

Comments on other economic factors

  • SULFUR WILL BE SEPARATED AT THE SMELTER(CONCENTRATOR 2) FOR PRODUCTION OF SULFUR DIOXIDE AND H2SO4. NI,CU MATTE, WHICH IS LARGELY SULFUR-FREE, WILL THEN BE REFINED INTO METAL. ANY EXCESS SULFUR IS TAKEN FOR SULFUR DIOXIDE AND H2SO4 PRODUCTION AT THE REFINERY LEVEL.
  • IT IS ASSUMED THAT ALL PROCESSING WILL BE COMPLETED AT OR NEAR THE DEPOSIT SITE.

Reference information

Bibliographic references

  • Deposit

    DATA SHEET: BP MINERACAO LIMETADA FORTALEZA DE MINAS

  • Deposit

    PROJECT

  • Deposit

    WORLD MINING EQUIPMENT, P.3

  • Deposit

    MINING JOURNAL, VOL. 310 NO. 7967. MAY 6, 1988.

Reporter information

Type Date Name Affiliation Comment
Reporter 10-MAR-97 Bleiwas, Donald U.S. Bureau of Mines

Beyond USGS

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