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| Rolim Neto,Fernando Cartaxo; Schaefer,Carlos Ernesto Gonçalves Reynaud; Camêlo,Danilo de Lima; Corrêa,Marcelo Metri; Parahyba,Roberto da Boa Viagem; Caldas,Anildo Monteiro; Ibraimo,Anifo Soares Mamudo. |
| ABSTRACT The micromorphology of deeply weathered soils (Ferralsols/ Latossolos ) from the Central Plateau of Brazil remains little studied, and its affiliation to different parent materials, poorly known. To clarify the processes of soil formation of these acric, gibbsitic, Fe-oxide rich Ferralsols, three lithotoposequences on local ultrabasic to basic intrusive rocks were studied. The influences of mixing and pedobioturbation are evident in all soils, and Ferralsols of the Central Plateau of Brazil are polygenetic, based on the coarse mineral composition, with ultrabasic and metapelitic rock contributions. The typical oxic microstructure with stable microaggregates encompasses a gibbsite/Fe rich micromass with random inclusions of charcoal, allochthonous... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ferralsols; Cambisols; Mafic rocks; Ultramafics; Perovskite; Tropical soils. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832019000100307 |
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