{"id":3066,"date":"2017-04-28T11:37:44","date_gmt":"2017-04-28T09:37:44","guid":{"rendered":"http:\/\/agora.xtec.cat\/iesm-jmzafra\/?p=3066"},"modified":"2018-06-08T12:57:51","modified_gmt":"2018-06-08T10:57:51","slug":"gneis-2","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/general\/gneis-2\/","title":{"rendered":"GNEISS"},"content":{"rendered":"<p><strong>Nom:<\/strong><br \/>\nCatal\u00e0:<strong>Gneiss<\/strong><br \/>\nCastella:Gneis<br \/>\nAngl\u00e8s:Gneiss<br \/>\nFranc\u00e8s:Gneiss<br \/>\n<strong>Imatges:<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"http:\/\/geologiaonline.com\/wp-content\/uploads\/2017\/03\/gneiss.jpg\" alt=\"Resultat d'imatges de piedra gneiss\" width=\"235\" height=\"178\" \/><\/p>\n<p><strong>Quin tipus i subtipus de roca i\/o mineral \u00e9s?<\/strong><br \/>\n\u00c9s una roca metam\u00f2rfica que \u00e9s pot formar a partir derroques sediment\u00e0ries (paragneis) o de roques plut\u00f2niques, com el granit (ortogneis) Roca de gra gruixut a mig.<\/p>\n<p><strong>Formaci\u00f3 de la roca i\/o mineral<\/strong><br \/>\nRoca originada pel metamorfisme regional de grau mitj\u00e0-alt de roques pel\u00edtiques (paragneis) o pel metamorfisme de roques \u00edgnies gran\u00edtiques (ortogneis).<\/p>\n<p><strong>Composici\u00f3 qu\u00edmica<\/strong><br \/>\nEls minerals s&#8217;han separat en capes paral\u00b7leles creant una estructura.<\/p>\n<p><strong>Breu descripci\u00f3 (color, textura&#8230;)<\/strong><br \/>\nGneis es amb capes alternes de minerals clars i foscos. Per\u00f2 normalment s\u00f3n de color negre o gris,la seva textura \u00e9s mitj\u00e0 o gruixut (grans allargats). La seva duresa \u00e9s de 2.4 a 2.6 i la seva densitat \u00e9s de 2700-3000 kg \/ m3<\/p>\n<p><strong>Usos i\/o aplicacions<\/strong><br \/>\nS\u00f3n roques amb esc\u00e0s aprofitament econ\u00f2mic, llevat d&#8217;algunes varietats de ortogneis, que s\u00f3n utilitzades com a roques ornamentals. Per a la construcci\u00f3 de cases i teules.<\/p>\n<p><strong>Lloc d&#8217;origen (Jaciments m\u00e9s importants)<\/strong><br \/>\nLloc d\u2019origen es Espanya. Roca causada pel metamorfisme regional de grau mitj\u00e0-alt de la Pol\u00edtica de roques (paragneis) o per roques \u00edgnies del metamorfisme de granit (Ortogneis).<\/p>\n<p><strong>Refer\u00e8ncia bibliogr\u00e0fica<\/strong><br \/>\nhttps:\/\/es.wikipedia.org\/wiki\/Gneis<br \/>\nhttps:\/\/www.ecured.cu\/Gneis<br \/>\nhttp:\/\/www.regmurcia.com\/servlet\/s.Sl?sit=c,365,m,108&#038;r=ReP-16223-DETALLE_REPORTAJESABUELO<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"I8k6zHQzkZ\"><p><a href=\"https:\/\/agora.xtec.cat\/inscaterinaalbert\/blogs\/museu-de-geologia\/aragonito\/\">ARAGONITA<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;ARAGONITA&#8221; &#8212; Institut  Caterina Albert\" src=\"https:\/\/agora.xtec.cat\/inscaterinaalbert\/blogs\/museu-de-geologia\/aragonito\/embed\/#?secret=SO9kzr6WSj#?secret=I8k6zHQzkZ\" data-secret=\"I8k6zHQzkZ\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><br \/>\nhttps:\/\/loquehagoloaprendo.wikispaces.com\/49+Gneis<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nom: Catal\u00e0:Gneiss Castella:Gneis Angl\u00e8s:Gneiss Franc\u00e8s:Gneiss Imatges: Quin tipus i subtipus de roca i\/o mineral \u00e9s? \u00c9s una roca metam\u00f2rfica que \u00e9s pot formar a partir derroques sediment\u00e0ries (paragneis) o de roques plut\u00f2niques, com el granit (ortogneis) Roca de gra gruixut a mig. Formaci\u00f3 de la roca i\/o mineral Roca originada pel metamorfisme regional de grau [&hellip;]<\/p>\n","protected":false},"author":185,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1,321],"tags":[],"class_list":["post-3066","post","type-post","status-publish","format-standard","hentry","category-general","category-museu-de-geologia"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-json\/wp\/v2\/posts\/3066","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-json\/wp\/v2\/users\/185"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-json\/wp\/v2\/comments?post=3066"}],"version-history":[{"count":3,"href":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-json\/wp\/v2\/posts\/3066\/revisions"}],"predecessor-version":[{"id":9958,"href":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-json\/wp\/v2\/posts\/3066\/revisions\/9958"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-json\/wp\/v2\/media?parent=3066"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-json\/wp\/v2\/categories?post=3066"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-json\/wp\/v2\/tags?post=3066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}