The origin of supergene nickeliferous chlorite in the Santa Fé Ni-Laterite Deposit, GO, Brazil

Machado, Matheus Lamas; Porto, Claudio G.; Santoro, Licia; Putzolu, Francesco; Neumann, Reiner; Neto, Artur Cézar Bastos; Polivanov, Helena; Herrington, Richard

doi:10.1590/2317-4889202120200119

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J O U R N a L P R E -P R O O F2

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2023

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“…Previous studies have identified interstratified clinochlore throughout serpentine crystals (Cressey et al, 2008;Machado et al, 2021). However, the SPC limonite unit, which corresponds to a chloriterich zone, did not exhibit significant Ni enrichment.…”

Section: J O U R N a L P R E -P R O O Fmentioning

confidence: 74%

“…Journal Pre-proof Machado et al (2021) suggested that part of the chlorite in the Santa Fé deposit (Brazil) is a supergene and can incorporate Ni into its structure, becoming an important single ore mineral in the regolith. According to Beaufort et al (2015), primary chlorite commonly occurs in serpentinized dunite, whereas supergene chlorite may occur along the profile and is related to serpentine alteration.…”

Section: J O U R N a L P R E -P R O O Fmentioning

confidence: 99%

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