First occurrence of kitagohaite, Pt7 Cu, from the Quadrilátero Ferrífero, Brazil.

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorSampaio, Cristiano-
Autor(es): dc.creatorNalini Júnior, Hermínio Arias-
Autor(es): dc.creatorGonçalves, Cristiane Paula de Castro-
Autor(es): dc.creatorSampaio, Geraldo Magela Santos-
Autor(es): dc.creatorAlkmim, Ana Ramalho-
Data de aceite: dc.date.accessioned2025-08-21T15:59:27Z-
Data de disponibilização: dc.date.available2025-08-21T15:59:27Z-
Data de envio: dc.date.issued2025-04-08-
Data de envio: dc.date.issued2023-
Fonte completa do material: dc.identifierhttps://www.repositorio.ufop.br/handle/123456789/20091-
Fonte completa do material: dc.identifierhttps://doi.org/10.1590/0370-44672023770030-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1029414-
Descrição: dc.descriptionA kitagohaite grain, measuring approximately 1.0 mm, was retrieved from an alluvial gold gravity concentrate from the southeastern Quadrilátero Ferrífero (QFe), Mariana, Brazil. The grain exhibits a cubic structure, whitish-steel-gray, and has a metallic luster. It is composed of Wt. 94.42% Pt and 5.56% Cu (n=9), yielding the empirical formula Pt6.78Cu1.22. This groundbreaking discovery marks the first documented occurrence of kitagohaite in South America. This hydro- thermal deposition of kitagohaite indicates that its mineralization is constrained to temperatures <500o C, as inferred by the stability of synthetic Pt7 Cu.-
Formato: dc.formatapplication/pdf-
Idioma: dc.languageen-
Direitos: dc.rightsaberto-
Direitos: dc.rightsAll content of the journal, except where identified, is licensed under a Creative Commons attribution-type BY. Fonte: PDF do artigo.-
Palavras-chave: dc.subjectKitagohaite-
Palavras-chave: dc.subjectPlatinum grain-
Palavras-chave: dc.subjectJacutinga-
Palavras-chave: dc.subjectQuadrilátero Ferrífero-
Título: dc.titleFirst occurrence of kitagohaite, Pt7 Cu, from the Quadrilátero Ferrífero, Brazil.-
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