Aquas Claras

Producer in Minas Gerais, Brazil with commodity Iron
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Ownership information
  11. Reserves and resources
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10158260
MAS/MILS ID 3510230003
Record type Site
Current site name Aquas Claras
Alternate or previous names Aguas Claras

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -43.90505, -19.94939 (WGS84)
Location accuracy 1000(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
Iron Primary

Materials information

Materials Type of material
Feldspar Unknown
Hematite Unknown
Mica Unknown
Quartz Unknown

Nearby scientific data

Ore Body (1) -43.90505, -19.94939

Economic information

Ore body information

  • Thickness 1750M
    Length 3220M
    Width 270M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Shape of Orebody #1 TABULAR
    Shape of Orebody #2 LENTICULAR
    Primary mode of Origin CONT METASOMATIC
    Degree of Wallrock Alter. MODERATE
    Date of Last Modification 860527

Comments on the geologic information

  • THE AGUAS CLARAS OREBODY CONSISTS OF A TABULAR LENS OF HEMATITE STRIKING NORTHEAST AND DIPPING AT 30 TO 60 DEGREES SOUTHEAST. THE ORE OCCURS IN THE PRECAMBRIAN IRON-FORMATION, THE CAUE ITABIRITE. IT FORMED BY REPLACEMENT BY HEMATITE DURING METAMORPHISM AND FOLDING.

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Metallic
Significant Yes
Mining method Open Pit
Year of first production 1973
Milling method Magnetic

Ownership information

  • Type Operator
    Owner Mineracoes Brasileiras Reunidas S. A. (Mbr)
    Year 1981
  • Type Owner
    Owner Empreendimentos Brasileiros De Minera - Cao S. A. (Ebm)
    Interest 51
    Year 1982
  • Type Owner
    Owner St. John D'El Rey Mining Comp. Ltd.
    Interest 49
    Year 1982

Reserves and resources

  • Type In-situ
    Estimate year 1981
    Measured 297430000mt ore
    Demonstrated 297430000mt ore
    Total resources 297430000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 64 wt-pct Iron Major 1981
    Iron Fe 64 wt-pct Iron Major 1981
    Iron Fe 64 wt-pct Iron Major 1981
  • Type In-situ
    Estimate year 1993
    Indicated 108000000mt ore
    Demonstrated 108000000mt ore
    Total resources 108000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 68 wt-pct Iron Major 1993

Comments on the reserve resource information

  • OWNERS: ST.JOHN DELREY MINING CO. LTD AND EMPREENDIMENTOS BRASILEIROS DE MINERACAO, S.A. OPERATOR: MINERACOES BRASILEIRAS REUNIDAS, S.A. OREBODY CONTAINS MORE THAN 375 MILLION M.T. W/DRY GRADE OF 68 PCT. IRON (METAL BULL.)

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Mining Method OPEN PIT
    Percent Waste Rock 33
    Avg. Bench Height (meters) 14
    Capacity 69300
    Capacity Units MT ORE/DAY
    Unit Production Cost 1.53
    Units of Production $/MT ORE
    Operating Days per Year 312
    Operating Shifts per Day 3
    Year of Information 1982

Reference information

Bibliographic references

  • Reserve-Resource

    AME MINERAL ECONOMICS QUARTERLY MINE ANALYSIS, 6/93, P. 36.

  • Deposit

    SKILLINGS, JR., D.N., MBR'S AGUAS CLARA IRON ORE PROJECT IN

  • Deposit

    BRAZIL, SKILLINGS MINING REVIEW, JANUARY, 1973, VOL. 62,

  • Deposit

    NO. 2, PP 10-28.

  • Deposit

    WORLD MINING, AGUAS CLARAS; NEW HIGH GRADE IRON ORE, VOL. 27

  • Deposit

    OCTOBER, 1974, PP 62-65.

  • Deposit

    SKILLINGS, JR., D.N., MBR SECOND LARGEST PRODUCER OF IRON

  • Deposit

    ORE IN BRAZIL, SKILLINGS MINING REVIEW, JUNE, 1978,

  • Deposit

    PP 12-17.

  • Deposit

    E/MJ, AGUAS CLARA: PROGRAMMED GROWTH TO 25 MILLION TONS OF

  • Deposit

    ORE, NOVEMBER, 1975, PP 120-124.

  • Deposit

    SKILLINGS MINING REVIEW, MBR NEARING COMPLETION OF AGUAS

  • Deposit

    CLARAS IRON ORE PROJECT, SEPTEMBER, 1973.

  • Deposit

    SKILLINGS MINING REVIEW, MBR IRON ORE SHIPMENTS TO EXPAND

  • Deposit

    FURTHER IN FISCAL 1981, APRIL, 1980.

  • Deposit

    USGS PROFESSIONAL PAPER 341.D, 1958, GEOLOGY OF BELO

  • Deposit

    HORIZONTE, IBIRITE AND MACACOS QUADRANGLES, PP D47-D53.

Reporter information

Type Date Name Affiliation Comment
Reporter 19-SEP-94 Bolis U.S. Bureau of Mines

Beyond USGS

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