DOI: 10.11606/d.3.2012.tde-18062013-160309
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Classificação e caracterização de tipos de minérios de cobre da Mina do Sossego - região de Carajás

Abstract: 2012Este exemplar foi revisado e alterado em relação à versão original, sob responsabilidade única do autor e com a anuência de seu orientador. AGRADECIMENTOSEm primeiro lugar, gostaria de agradecer a todas as pessoas que trabalharam no LCT -Laboratório de Caracterização da EPUSP na época em que desenvolvi este trabalho.Em especial agradeço a Juliana, quem mais me ajudou neste projeto na parte de difração de raios X e análise por agrupamento, e ao Daniel por seus ensinamentos na parte de caracterização tecnol… Show more

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“…They correspond to the counterpart of mining planning drill core samples and were subject of a previous milling geometallurgical study presented by Bergerman (2009) and are also detailed by Shimizu (2012).…”
Section: Methodsmentioning
confidence: 99%
“…They correspond to the counterpart of mining planning drill core samples and were subject of a previous milling geometallurgical study presented by Bergerman (2009) and are also detailed by Shimizu (2012).…”
Section: Methodsmentioning
confidence: 99%
“…The system also uses backscattered electron (BSE) images, in which the gray level of each pixel is proportional to the average atomic number of that point 1,3 , in order to facilitate the composition information provided by the microanalysis and the the different mineral particles boundaries identification. Whether the minerals have elements with near or equal atomic numbers (e.g., spharelite and chalcopyrite) and gray levels indistinguishable from each other, the identification is based exclusively on energy dispersion spectra 4 .…”
Section: Introductionmentioning
confidence: 99%