Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1112544
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dc.contributor.authorROLIM NETO, F. C.eng
dc.contributor.authorSCHAEFER, C. E. G. R.eng
dc.contributor.authorCAMÊLO, D. de L.eng
dc.contributor.authorCORRÊA, M. M.eng
dc.contributor.authorPARAHYBA, R. da B. V.eng
dc.contributor.authorCALDAS, A. M.eng
dc.contributor.authorIBRAIMO, A. S. M.eng
dc.date.accessioned2019-09-28T00:48:30Z-
dc.date.available2019-09-28T00:48:30Z-
dc.date.created2019-09-27
dc.date.issued2019
dc.identifier.citationRevista Brasileira de Ciência do Solo, v. 43, e0180219, 2019.eng
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1112544-
dc.descriptionThe 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 quartz, Ti-magnetite, and perovskite grains. Shallow Cambisols (Cambissolos) on tuffites also display a similar 'oxic' microstructure, but a much lower degree of weathering. These Cambisols possesses apatite, and mafic and pelitic minerals as residuals minerals grains, indicating the polygenetic colluvia mixture of different substrates. The common occurrence of perovskite (CaTiO3) as a residual grain in deep-weathered, acric Ferralsols on ultrabasic rocks, not yet reported in the literature, shows an unusual resistant Ca reserve in oxic soils, though nothing is known about its implications to soil fertility.eng
dc.language.isoengeng
dc.rightsopenAccesseng
dc.titleMicromorphology and genesis of soils from topolitosequences in the brazilian central plateau.eng
dc.typeArtigo de periódicoeng
dc.date.updated2019-12-19T11:11:11Z
dc.subject.thesagroSolo Tropicaleng
dc.subject.thesagroFerralsoloeng
dc.subject.thesagroCambissoloeng
dc.subject.thesagroRochaeng
riaa.ainfo.id1112544eng
riaa.ainfo.lastupdate2019-12-19 -02:00:00
dc.identifier.doihttp://dx.doi.org/10.1590/18069657rbcs20180219eng
dc.contributor.institutionFERNANDO CARTAXO ROLIM NETO, UFRPE; CARLOS ERNESTO GONÇALVES REYNAUD SCHAEFER, UFV; DANILO DE LIMA CAMÊLO, UFES; MARCELO METRI CORRÊA, UFRPE; ROBERTO DA BOA VIAGEM PARAHYBA, CNPS; ANILDO MONTEIRO CALDAS, UFRPE; ANIFO SOARES MAMUDO IBRAIMO, UFV.eng
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