Nickeliferous Nontronite, a 15 Garnierite, at Niquelandia, Gois, Brazil

@inproceedings{Bosio1975NickeliferousNA,
  title={Nickeliferous Nontronite, a 15 Garnierite, at Niquelandia, Gois, Brazil},
  author={Nivaldo J. Bosio and Vernon J. Hurst and Robert L. Smith},
  year={1975}
}
-Garnierite from the Tocantins Complex at Niquelandia, Brazil, is a 15A., dioctahedral clay mineral, nickeliferous nontronite. The principal octahedral cations are Fe 3+, A1 and Ni. The ferric state of the iron has been verified by ESCA. Ni occupies both the octahedral site and an exchange site. The garnierite formed (and is still forming) by the weathering of nickeliferous pyroxenite. Although the garnierite is a secondary product of weathering, it undergoes further change as weathering… CONTINUE READING

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