2018
DOI: 10.11606/issn.2316-9095.v17-124587
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Geologia, mineralogia, inclusões fluidas e gênese dos depósitos de titanita-epidoto de Capelinha, Minas Gerais

Abstract: Disponível on-line no endereço www.igc.usp.br/geologiausp -3 -Resumo Nas proximidades da cidade de Capelinha, Minas Gerais, ocorrem depósitos de titanita-epidoto associados a veios pegmatoides ricos em albita e/ou adulária, nos arredores de duas localidades principais conhecidas como Campo do Boa e Fanadinho. Tais depósitos estão hospedados em um xisto metavulcânico básico, rico em titânio, composto principalmente por albita, epidoto, actinolita, titanita e quartzo, relacionado à Formação Capelinha (Grupo Maca… Show more

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“…We may associate hydrothermal fluids responsible for such mineralizations to a same source. According to Chaves et al (2017), the hydrothermal mineralizing event of titanite has occurred at ca. 490 Ma.…”
Section: Discussionmentioning
confidence: 99%
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“…We may associate hydrothermal fluids responsible for such mineralizations to a same source. According to Chaves et al (2017), the hydrothermal mineralizing event of titanite has occurred at ca. 490 Ma.…”
Section: Discussionmentioning
confidence: 99%
“…Fluid-inclusion studies in hydrothermal quartz associated with gemmological vein-type titanite mineralisation in the Capelinha region (Chaves et al , 2017), ~90 km from Felício dos Santos, also contain low-salinity fluids (between 0.4 and 2.8 wt.% NaCl), and have minimum trapping temperatures between 300°C and 450°C. Both these hydrothermal vein mineralisations are hosted by metavolcanic schists of the Capelinha Formation, which were further affected by the Araçuaí Orogeny (630–480 Ma).…”
Section: Discussionmentioning
confidence: 99%
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