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Mineralogy, magnetic susceptibility and geochemistry of Fe-rich Oxisols developed from several parent materials Scientia Agricola
Camêlo,Danilo de Lima; Ker,João Carlos; Fontes,Maurício Paulo Ferreira; Costa,Antonio Carlos Saraiva da; Corrêa,Marcelo Metri; Leopold,Matthias.
ABSTRACT: Fe-rich Oxisols on mafic rocks in Brazil generally have high magnetic susceptibility with high contents of some trace elements. These are taxonomically similar soils; however, differences in magnetic and geochemical properties may affect agricultural or environmental usability and subsequent management. This study investigated the pedogenesis of Fe-rich Oxisols from various parent materials and evaluated the lithogenetic influence on magnetic susceptibility and trace elements contents. Soil samples were collected from Bw horizons in 13 Rhodic Oxisols and a Typic Oxisol developed from several parent materials in Minas Gerais State, Brazil. Soils were analyzed by X-ray diffractometry (XRD) and magnetometry. Soil chemical analyses consisted of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Magnetic soils; Iron oxides; Ferrimagnetic minerals; Trace elements; Mafic rocks.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162018000500410
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