Mutuca Ii

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. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10078078
MRDS ID W026233
Record type Site
Current site name Mutuca Ii
Alternate or previous names Mutuca

Geographic coordinates

Geographic coordinates: -43.96228, -20.01749 (WGS84)
Location accuracy 1000(meters)
Relative position 10 KM S OF BELO HORIZONTE

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

Comments on the commodity information

  • ORES HAVE NO TI, CU, PB, ZN, AS, BI, SB, AND SN; MAIN IMPURITIES ARE SILICA, ALUMINA, PHOSPHOROUS, AND SULFUR BUT ALL IN AMOUNTS WITHIN ACCEPTABLE LIMITS

Materials information

Materials Type of material
Hematite Ore
Quartz Gangue

Analytical data

Result (PLUS)1/4 IN (48.8%) HAS 68.0% FE, 0.05% P, 1.0% AL2O3, 0.8% SIO2
Result + 100 MESH (33.8%) HAS 67.6% FE, 0.04% P, 1.1% AL2O3, 1.2% SIO2
Result -100 M HAS 64.7% FE, 0.07% P, 2.3% AL2O3, 2.2% SIO2 (GOMES, 1986)

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Stratigraphic age (youngest) Paleoproterozoic
    Stratigraphic age (youngest) Paleoproterozoic
  • Host or associated Associated
    Rock type Metamorphic Rock > Phyllite
    Rock unit name Nova Lima Group, Rio Das Velhas Series;Batatal Formation, Caraca Group, Minas Series
    Rock description Nova Lima Group, Rio Das Velhas Series;Batatal Formation, Caraca Group, Minas Series
  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Iron Formation
    Rock unit name Caue Formation, Itabira Group, Minas Series
    Rock description Caue Formation, Itabira Group, Minas Series

Nearby scientific data

(1) -43.96228, -20.01749

Economic information

Geologic structures

Type of structure Regional
Structure description Complex Folding And Granitic Intrusions; Iron Formations Run In Bands Of Varying Widths And Cutting Across Quadrilatero From East To West And North To South; Thickness Ranges To Several Hundred Feet

Ore body information

  • Strike N-S
    Dip 55-70 E, 70-80 W
    Thickness 200M
    Length 1100M
    Depth to top 270M

Comments on the geologic information

  • CAUE UNCONFORMABLY OVERLIES NOVA LIMA GROUP AND IS OVERLAIN BY BATATAL FORMATION. CAUE CONSISTS OF COMPACT AND FRIABLE HEMATITE AS MAPPED. DEPOSIT MAYBE IN UPPER PLATE OF A THRUST-TEAR FAULT DIPPING ABOUT 80 E TO SE.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Discovery year 1960
Discoverer Cia De Mineracao Novalimense
Year of first production 1961

Mining district

District name Quadrilatero Ferrifero, Congonhas Area

Ownership information

  • Type Owner-Operator
    Owner Mineracao Mannesman ); Mineracoes Brasileiras Reunidas S/A (Mbr) (1970'S- )
    First year 1958

Comments on the production information

  • STUDIES BEING CONDUCTED TO EXPAND PRODUCTION TO 1 - MILLION MTPY. ORE.

Reserves and resources

  • Type In-situ
    Estimate year 1973
    Total resources 60000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 64 wt-pct Iron Major 1973

Comments on the reserve resource information

  • ADDITIONAL RESERVES OF ITABIRITE OF 45-64 % FE. HAS WASTE/ MINERALIZED ROCK= 0.53
  • ORE (1) TO 10 M BELOW OUTCROPS; ORE (2) CANGA (ELUVIAL, COLLUVIAL MATERIAL)

Comments on the workings information

  • OPEN PIT WITH 10 M LEVELS.

Comments on development

  • 370 M OF ADITS, 57 DRILL HOLES OF 5230 M TOTAL LENGTH

Reference information

Bibliographic references

  • Deposit

    ALVARADO, BENJAMIN, 1970 , IRON ORE DEPOSITS OF SOUTH AMERICA, IN SURVEY OF WORLD IRON ORE RESOURCES -- OCCURRENCE AND APPRAISAL: NEW YORK, UNITED NATIONS, P. 302 - 380 . 433 QUN22S

  • Deposit

    DORR, J. V. N., II, AND BARBOSA, A. L. M., 1963 , GEOLOGY AND ORE DEPOSITS OF THE ITABIRA DISTRICT, MINAS GERAIS, BRAZIL: U. S. GEOLOGICAL SURVEY PROF. PAPER 341 - C, P. C1 - C110

  • Deposit

    SKILLINGS, D. N., JR., 1973 D, MBR: SKILLINGS' MINING REV., V. 62 , NO. 4 , P. 1 , 4 - 6

  • Deposit

    RENO, H. T., AND BRANTLEY, F. E., ( 1973 ), IRON -- A MATERIALS SURVEY: U. S. BUREAU OF MINES INF. CIRC. 8574 , 117 P.

  • Deposit

    POMERENE, J.B., 1964, GEOLOGY AND ORE DEPOSITS OF THE BELO HORIZONTE, IBIRITE, AND MACACOS QUADRANGLES, MINAS GERAIS, BRAZIL: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-D, 84P.

  • Deposit

    GOMES, J.C.M., 1986, AS MINAS DE AGUAS CLARAS, MUTUCA E PICO E OUTROS DEPOSITOS DE MINERIO DE FERRO NO QUADRILATERO FERRIFERO, MINAS, GERAIS IN PRINCIPAIS DEPOSITOS MINERAIS DO BRASIL, EDS. C. SCHOBBENHAUS AND C.E.S. COELHO: MINISTERIO DAS MINAS E ENERGIA, BRAISLIA, V II, P. 65-76.

  • Production

    RENO AND BRANTLEY, 1973. GOMES (1986).

  • Reserve-Resource

    POMERENE (1964).

General comments

Subject category Comment text
Deposit Discovery Year: 1960 (DEVELOPED)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-74 Cooper, Margaret (Shaffer, Glenn L.) U.S. Geological Survey
Updater 01-MAR-94 Page, Norman J. U.S. Geological Survey

Beyond USGS

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