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        "notas":"Leandro Menezes Betiollo                                                                                                 \r\n\r\nRocha com estrutura gn\u00e1issica, textura granobl\u00e1stica poligonal e lepidobl\u00e1stica (biotitas orientadas, marcando a folia\u00e7\u00e3o). Bandas quartzo feldsp\u00e1ticas com porfiroblastos de plagiocl\u00e1sio de at\u00e9 1 mm. A rocha cont\u00e9m quartzo policristalino de granula\u00e7\u00e3o variada (alguns lugares a granula\u00e7\u00e3o \u00e9 muito fina devida a cominui\u00e7\u00e3o dos cristais). As lamelas de biotita est\u00e3o orientadas segundo a folia\u00e7\u00e3o da rocha e possuem granula\u00e7\u00e3o fina; pleocroismo intenso do amarelo claro ao verde escuro. Cristais muito finos de epidoto e cristais de hornblenda s\u00e3o encontrados em agregados de m\u00e1ficos (biotitas + opacos), tamb\u00e9m orientados segundo a folia\u00e7\u00e3o. Os porfiroblastos de plagiocl\u00e1sio n\u00e3o cont\u00eam maclas e \u00e9 poss\u00edvel observar antipertitas. Como acess\u00f3rio, cristais de zirc\u00e3o metam\u00edtico.\r\n\r\nRocha: Biotita-Quartzo-Plagiocl\u00e1sio Granulito F\u00e9lsico Gna\u00edssico\r\n\r\nUnidade Litoestratigr\u00e1fica: Gnaisses Granul\u00edticos Luis Alves\r\n",
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