Commodities
PrimaryIron
Commodity typeM
Deposit
Deposit typeSedimentary
Model241: Superior Fe (BC name is Lake Superior & Rapitan types iron-formation)
Deposit sizeL
Orebody formIRREGULAR
Materials
Ore mineralsHematite, Magnetite
GangueQuartz
Geology
Host rockIron Formation · Caue Formation, Itabira Group, Minas Series
Associated rockPhyllite,Schist,Tuff · Batatal Formation, Caraca Group, Minas Series;Gandarela Formation, Itabira Group, Minas Series
StructureComplex 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, Shallow Se Plunging Syncline
Economic & production
Development statusProducer
First production1967
Discovery year1803
Identification
Deposit ID10078072
MRDS IDW026227
Alternate namesAlegria Complex, Mina De Alegria, Fazenda Alegria
RegionSA
Data scoreB
Coordinates-20.16415, -43.42394
References
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 QUN22SDORR, 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 - C110SAMITRI, ( 1973 ), SAMITRI: BELO HORIZONTE, BRAZIL, S. A. MINERACAO DA TRINDADE, UNPAGED BROCHURE.MAXWELL, C.H., 1972, GEOLOGY AND ORE DEPOSITS OF THE ALEGRIA DISTRICT, MINAS GERAIS, BRAZIL. U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-J, 72P.BARCELOS, J.P., AND BUCHI, J., 1986, MINA DE MINERIO DE FERRO DE ALEGRIA, MINAS GERAIS IN PRINCIPAIS DEPOSITOS MINERAIS DO BRASIL, EDS. C. SCHOBBENHAUS AND C.E.S. COELHO: MINISTERIO DAS MINAS E ENERGIA, BRAISILIA V. II, P. 87-96.SAMITRI, (1973). BARCELOS AND BUCHI (1986)