Gallium behaviour in weathering profiles of Parana basin basalts, Brazil

Abstract : Geochemical behaviour of gallium is generally considered as similar to that of aluminium. A study of weathering profiles from Parana basalts, Brazil, shows that gallium's true behaviour is more complex. It can be associated to aluminium in kaolinite, with a positive correlation between the gallium and aluminium contents, or to iron in oxi-hydroxides, with a similar correlation between gallium and iron contents. In weathering processes, it is very important to know the mineralogical localization of a chemical element for a good understanding of his geochemical behaviour.
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Submitted on : Monday, January 2, 2017 - 4:44:51 PM
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Y Noack, Pe Mathe, Véronique Lenoble. Gallium behaviour in weathering profiles of Parana basin basalts, Brazil. Comptes rendus de l’Académie des sciences. Série IIa, Sciences de la terre et des planètes, Elsevier, 1996, 323 (9), pp.779-785. ⟨hal-01424696⟩

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