{"id":12897,"date":"2021-05-11T21:42:09","date_gmt":"2021-05-11T19:42:09","guid":{"rendered":"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=12897"},"modified":"2025-01-28T16:45:28","modified_gmt":"2025-01-28T15:45:28","slug":"geologia-sobre-el-terreny-a-collserola","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/geologia-sobre-el-terreny-a-collserola\/","title":{"rendered":"Geologia sobre el terreny a Collserola"},"content":{"rendered":"<p>Els alumnes de l&#8217;assignatura de CTMA de 1er de batxillerat de l&#8217;<strong>Escola IPSE<\/strong> de Barcelona han realitzat l<a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/ambits\/geologia\/itinerari-geologic-al-voltant-de-santa-creu-dolorda\/\" target=\"_blank\" rel=\"noopener noreferrer\">&#8216;itinerari geol\u00f2gic de Santa Creu d&#8217;Olorda<\/a> el 11 de maig de 2021.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-12900 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2021\/05\/IMG_20210511_151054.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2021\/05\/IMG_20210511_151054.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2021\/05\/IMG_20210511_151054-150x150.jpg 150w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>L&#8217;itinerari est\u00e0 format per 8 parades en les quals es tracten fen\u00f2mens geol\u00f2gics destacables de la zona. Els alumnes treballen en afloraments de roques metam\u00f2rfiques i sobretot de sediment\u00e0ries, i alhora posen en pr\u00e0ctica diferents t\u00e8cniques de camp per interpretar els processos d&#8217;erosi\u00f3, sedimentaci\u00f3, deformaci\u00f3 i metamorfitzaci\u00f3 que han patit les roques.<br \/>\nHan comen\u00e7at el recorregut a &#8220;La masia de Can Farr\u00e8s&#8221;, on han descobert els f\u00f2ssils crino\u00efdeus en la calc\u00e0ria del cobert prop de la masia i han dedu\u00eft la formaci\u00f3 d&#8217;aq\u00fc\u00edfers captius i lliures i si podien presentar pous surgents.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-12901 alignright\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2021\/05\/IMG_20210511_120609-216x300.jpg\" alt=\"\" width=\"216\" height=\"300\" \/>Despr\u00e9s han observat fen\u00f2mens que es donen als vessants com la formaci\u00f3 de solcs i xaragalls que es produeixen\u00a0 quan l&#8217;aigua de la pluja arrossega la terra i han recordat que formen paisatges anomenat bad-lands.<br \/>\nHan continuat l&#8217;itinerari fins a un espectacular plec anticlinal amb encavalcament de grans dimensions on es pot observar com actuen les forces de compressi\u00f3 i l&#8217;han mesurat indirectament tot fent trigonometria.<br \/>\nA la seg\u00fcent parada han accedit a la cova d&#8217;or, un conjunt de grutes dins les calc\u00e0ries on es poden apreciar fen\u00f2mens c\u00e0rstics i tamb\u00e9 f\u00f2ssils del Paleozoic.<br \/>\nHan pujat fins al Puig d&#8217;Olorda, i des d&#8217;all\u00e0, gr\u00e0cies a una excel\u00b7lent panor\u00e0mica que hi havia gr\u00e0cies al vent, han pogut interpretar el paisatge litoral, prelitoral i el delta del Llobregat. Tamb\u00e9 han analitzat les roques calc\u00e0ries del cim. L&#8217;\u00faltima parada l&#8217;han fet a la Pedrera dels ocells, una antiga mina de pissarres del Siluri\u00e0.<\/p>\n<p>Han completat una feina magn\u00edfica posant en pr\u00e0ctica diverses t\u00e8cniques de geologia de camp.<\/p>\n<p>Un grup molt engrescat i animat amb una\u00a0 professora molt implicada!<\/p>\n<p>Us esperem el curs vinent!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Els alumnes de l&#8217;assignatura de CTMA de 1er de batxillerat de l&#8217;Escola IPSE de Barcelona han realitzat l&#8216;itinerari geol\u00f2gic de Santa Creu d&#8217;Olorda el 11 de maig de 2021. L&#8217;itinerari est\u00e0 format per 8 parades en les quals es tracten fen\u00f2mens geol\u00f2gics destacables de la zona. Els alumnes treballen en afloraments de roques metam\u00f2rfiques i [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":12902,"comment_status":"open","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":[1,295,415,29],"tags":[],"class_list":["post-12897","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general","category-geologia","category-olorda","category-portada"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/12897","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/comments?post=12897"}],"version-history":[{"count":3,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/12897\/revisions"}],"predecessor-version":[{"id":12906,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/12897\/revisions\/12906"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/media\/12902"}],"wp:attachment":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/media?parent=12897"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/categories?post=12897"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/tags?post=12897"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}