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Conceicao/Dos Corregos

Producer in Minas Gerais, Brazil with commodity Iron
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Geologic information

Identification information

Deposit ID 10182453
MAS/MILS ID 3510230002
Record type Site
Current site name Conceicao/Dos Corregos

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -43.28084, -19.6536 (WGS84)
Location accuracy 5000(meters)
(click for info)

Geographic areas

Country State
Brazil Minas Gerais

Commodities

Commodity Importance
Iron Primary

Materials information

Materials Type of material
Dolomite Unknown
Hematite Unknown
Magnetite Unknown
Quartz Unknown

Nearby scientific data

Ore Body (1) -43.28084, -19.6536
ListMap

Ore body information

  • Thickness 300M
    Width 500M
    Length 2300M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 TABULAR
    Shape of Orebody #2 LENTICULAR
    Primary mode of Origin RESIDUAL CONCENT
    Primary Ore Control FOLDING
    Date of Last Modification 860602

Economic information

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 1967
Milling method Magnetic

Ownership information

  • Type Owner-Operator
    Owner Cia Vale Do Rio Doce (Cvrd)
    Interest 100
    Year 1982

Reserves and resources

  • Type In-situ
    Estimate year 1981
    Demonstrated 1,127,300,000mt ore
    Indicated 1,127,300,000mt ore
    Total resources 1,127,300,000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 58.92 wt-pct Iron Major 1981
    Iron Fe 58.92 wt-pct Iron Major 1981
    Iron Fe 58.92 wt-pct Iron Major 1981
  • Type In-situ
    Estimate year 1992
    Demonstrated 1,400,000mt ore
    Indicated 1,400,000mt ore
    Total resources 1,400,000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 57.5 wt-pct Iron Major 1992

Comments on the reserve resource information

  • IVE OREBODIES, TWO OF WHICH ARE BEING MINED. CONTAINS 500 MILLION M.T. HEMATITE AND 1,600 MILLION MT. ITABIRITE. CONCEICAO AND DOS CORREGOS WERE COMBINES FOR THE AVAILABILITY STUDY

Workings at the site

  • Type of workings Surface
    Area 1150HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Mining Method OPEN PIT
    Percent Waste Rock 23
    Avg. Bench Height (meters) 13
    Capacity 103700
    Capacity Units MT ORE/DAY
    Unit Production Cost 1.27
    Units of Production $/MT ORE
    Operating Days per Year 260
    Operating Shifts per Day 3
    Year of Information 1982

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
U.S. Bureau of Mines Minerals Availability System MAS 3510230002

Bibliographic references

  • Reserve-Resource

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

  • Deposit

    U.S.G.S. PROFESSIONAL PAPER 341, GEOLOGY AND MINERAL

  • Deposit

    RESOURCES OF PARTS OF MINAS GERAIS, BRAZIL, P. C18,C19,C64

  • Deposit

    & C65.

  • Deposit

    SKILLINGS, JR., DAVID N., C.V.R.D.'S IRON ORE MINING AND

  • Deposit

    PLANT OPERATIONS AT ITABIRA, SKILLINGS' MINING REVIEW

  • Deposit

    SEPTEMBER 24, 1977, PP 10 - 16.

Reporter information

Type Date Name Affiliation Comment
Reporter 09-JAN-95 Bolis U.S. Bureau of Mines