Minas Gerais
Producer

Araxa

Minas Gerais, Brazil
Niobium (Columbium)Phosphorus-PhosphatesREEThoriumVermiculiteUraniumBarium-Barite
⌖ Show on mapUSGS source ↗
Description

Djalma Guimaraes

Commodities
PrimaryNiobium (Columbium), Phosphorus-Phosphates
TertiaryREE, Thorium, Vermiculite, Uranium, Barium-Barite
Commodity typeB
Deposit
Model24: Carbonatite
Deposit sizeL
Orebody formPIPE
Ore controlNear Circular Domed Exposure Carbonatite In Metasediments
Materials
Ore mineralsApatite, Pyrochlore
GangueBarite, Calcite, Ilmenite, Limonite, Magnetite, Monazite, Quartz, Vermiculite
Geology
Host rockIntrusive Carbonatite,Metasedimentary Rock · Araxa Alkaline Pipe;Araxa Group
Associated rockAlkalic Volcanic Rock · Araxa Alkaline Pipe
StructureRing Complex, Dome Structure In Country Rocks
Tectonic settingShield With Alkaline Pipe Intruding, Sao Francisco Craton
AlterationLaterization Of Carbonatite(Ls.)
Economic & production
Development statusProducer
First production1958
Discovery year1935
Identification
Deposit ID10068132
MRDS IDW001062
Alternate namesBarreiro, Arafertil
RegionSA
Data scoreA
Coordinates-19.63085, -46.91568
References
GUIMARAES, D., 1957, JAZIDA PIROCLORO ARAXA, DEPARTMENTO NACIONAL DA PRODUCAS MINERAL (DFPM).LEONARDOS, O.H., 1956, BRAZIL CARBONATITES, D.F.P.M. BOL. 80, (PORT).C.B.M.M. 1972, BROCHURE ON ARAXA OPERATIONS(ENGLISH).JOHN COLES, 1972, ORAL COMMUN., GEOLOGIST WITH COMPANHIA BRASILEIRA DE METALURGIA.WENDEL, C.A., 1969, MONTHLY REPORT ON BRAZIL PROJECT (MAY).KRAUSS AND OTHERS, 1984: U.S. GEOLOGICAL SURVEY CIRCULAR 930-C, 41 P.ALBUQUERQUE, G.S., AND GIANNERINI, J.F., 1981, APERCU SUR L'INDUSTRIE DU PHOSPHATE AU BRESIL: INDUSTRIE MINERALE, . 63, NO. 10.BRITISH SULPHUR CORP., 1980, WORLD SURVEY OF PHOSPHATE DEPOSITS, 4TH ED., LONDON.CESAR, P. DE A.B., 1984, PRINCIPAIS DEPOSITOS MINERAIS: CONCEITOS, METODOLOGIA E LISTAGEM, CAPITULO IX, IN SCHOBBENHAUS, C., CAMPOS, D. DE A., DERZE, G.R., ASMUS, H.E., EDS., GEOLOGIA DO BRASIL: DEPARTAMENTO NACIONAL DA PRODUCAO MINERAL, P. 359-419.DA SILVA, A.B., 1986, JAZIDA DE NIOBIO DE ARAXA, MINAS GERAIS, IN PRINCIPAIS DEPOSITOS MINERAIS DO BRASIL, EDS., C. SCHOBBENHAUS AND C.E.S. COELHO: MINISTERIO DAS MINAS E ENERGIA, BRASILIA, V. 11, P. 436-453.1955 DIREXPL FERTISA- REPORT1955 GEOCHEM INST. TEC. IND. -REPORT1955 GEOPHYS PROSPEC-REPORTCIMRIMINERALS ATTACHE, U.S. EMB. RIO; BROCHURE DEVELOPMENT, ANITAPOLIS, 1980.CBBM GEOLOGIST, RIO, VERBAL COMM. NOV. 1972