{"id":262,"date":"2024-11-28T15:13:31","date_gmt":"2024-11-28T18:13:31","guid":{"rendered":"https:\/\/projetos.ufpr.br\/atlaspetroignea\/?page_id=262"},"modified":"2025-08-28T15:31:17","modified_gmt":"2025-08-28T18:31:17","slug":"basalto-vesicular","status":"publish","type":"page","link":"https:\/\/projetos.ufpr.br\/atlaspetroignea\/basalto-vesicular\/","title":{"rendered":"Basalto Vesicular"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Basalto Ves\u00edcular<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/projetos.ufpr.br\/atlaspetroignea\/basalto-geral\/\" data-type=\"page\" data-id=\"256\"><em>Basalto<\/em><\/a><em>\u00a0<\/em>rocha \u00edgnea m\u00e1fica geralmente com granula\u00e7\u00e3o fina (menor que 1cm), sua mineralogia \u00e9 composta essencialmente por augita + plagiocl\u00e1sio c\u00e1lcico An&gt;50. Encontrados em uma variedade de ambientes geotect\u00f3nicos, como: dorsais meso-\u00f4ceanica, arcos de ilhas, grandes provincias \u00edgneas e riftes intracontinentais.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mineralogia essencial: Plagiocl\u00e1sio c\u00e1lcico, augita.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Minerais qualificadores:&nbsp;Pigeonita, olivina, nefelina.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Minerais acess\u00f3rios:\u00a0Opacos (magnetita e ilmenita), apatita.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Minerais secund\u00e1rios:\u00a0Serpentina, iddingsita, esmectita, clorita, epidoto, sericita.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(Fotos macro)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Estrutura: Amigdaloidal, ves\u00edcular, compacta;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cristalinidade: Hipov\u00edtrea;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Grau de visibilidade: Afan\u00edtica;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Granula\u00e7\u00e3oo: Densa \u00e0 fina;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00edndice de colora\u00e7\u00e3o: Mesocr\u00e1tica \u00e0 melanocr\u00e1tica(?)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Arranjo: N\u00e3o observado;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u00edlica de satura\u00e7\u00e3o: Saturada;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Colora\u00e7\u00e3o geral: Preto acinzentado<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A amostra \u00e9 compacta, amigdaloidal, ves\u00edcular, hipov\u00edtrea, afan\u00edtica, de granula\u00e7\u00e3o densa \u00e0 fina, mesocr\u00e1tica, saturada, com sua colora\u00e7\u00e3o preta acinzentada. A composi\u00e7\u00e3o modal \u00e9 apresentada por 100% de matriz.\u00a0<\/p>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Estrutura:\u00a0Compacta, amigdaloidal, ves\u00edcular;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cristalinidade:\u00a0Hipov\u00edtrea;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Grau de visibilidade:\u00a0Afan\u00edtica;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Granula\u00e7\u00e3o:\u00a0Densa \u00e0 fina;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tamanho relativo dos cristais:&nbsp;Inequigranular; porfiritica(?)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cdndice de colora\u00e7\u00e3o:\u00a0Mesocr\u00e1tico;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Arranjo: <a href=\"https:\/\/projetos.ufpr.br\/atlaspetroignea\/arranjo-pilotaxitico\/\" data-type=\"page\" data-id=\"232\">Pilotax\u00edtico<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u00edlica de satura\u00e7\u00e3o:\u00a0Saturada;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A amostra \u00e9 compacta, amigdaloidal, ves\u00edcular, hipov\u00edtrea, afan\u00edtica, de granula\u00e7\u00e3o densa \u00e0 fina, porfiritica, mesocr\u00e1tica, apresentando arranjo pilotax\u00edtico, sendo uma amostra saturada. A composi\u00e7\u00e3o modal dos minerais presentes apresentou plagiocl\u00e1sio (24,25%), augita (12,75%), minerais opacos (2%), minerais secund\u00e1rios (3,25%), e matriz microgranular (60,75%).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Os cristais subhedrais de plagiocl\u00e1sio variam de microcristais na matriz at\u00e9 1 mm, s\u00e3o prism\u00e1ticos, apresentam tamb\u00e9m alguns saussuritizados.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Os cristais de pirox\u00eanio s\u00e3o prism\u00e1maticos, subhedrais e anhedrais, a maioria augita. o tamanho varia de microcristais at\u00e9 0,6 mm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Os opacos s\u00e3o representados por magnetita e, possivelmente ilmenita, s\u00e3o prism\u00e1ticos, suhedrais e anhedricos. Variam de mirocristais at\u00e9 0,4 mm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Oa prim\u00e1rios se completam com a matriz que ocorre na forma microgranular. Sua composi\u00e7\u00e3o \u00e9 composto por uma massa silic\u00e1tica, cristalitos e microcristais.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Os minerais secund\u00e1rios s\u00e3o observados nas ves\u00edculas, sendo composto de calcita e esmectita.<\/p>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Basalto Ves\u00edcular Basalto\u00a0rocha \u00edgnea m\u00e1fica geralmente com granula\u00e7\u00e3o fina (menor que 1cm), sua mineralogia \u00e9 composta essencialmente por augita + plagiocl\u00e1sio c\u00e1lcico An&gt;50. Encontrados em uma variedade de ambientes geotect\u00f3nicos, como: dorsais meso-\u00f4ceanica, arcos de ilhas, grandes provincias \u00edgneas e riftes intracontinentais. Mineralogia essencial: Plagiocl\u00e1sio c\u00e1lcico, augita. Minerais qualificadores:&nbsp;Pigeonita, olivina, nefelina. Minerais acess\u00f3rios:\u00a0Opacos (magnetita e [&hellip;]<\/p>\n","protected":false},"author":45,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-262","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/projetos.ufpr.br\/atlaspetroignea\/wp-json\/wp\/v2\/pages\/262","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/projetos.ufpr.br\/atlaspetroignea\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/projetos.ufpr.br\/atlaspetroignea\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/projetos.ufpr.br\/atlaspetroignea\/wp-json\/wp\/v2\/users\/45"}],"replies":[{"embeddable":true,"href":"https:\/\/projetos.ufpr.br\/atlaspetroignea\/wp-json\/wp\/v2\/comments?post=262"}],"version-history":[{"count":5,"href":"https:\/\/projetos.ufpr.br\/atlaspetroignea\/wp-json\/wp\/v2\/pages\/262\/revisions"}],"predecessor-version":[{"id":1129,"href":"https:\/\/projetos.ufpr.br\/atlaspetroignea\/wp-json\/wp\/v2\/pages\/262\/revisions\/1129"}],"wp:attachment":[{"href":"https:\/\/projetos.ufpr.br\/atlaspetroignea\/wp-json\/wp\/v2\/media?parent=262"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}