{"id":4822,"date":"2017-04-18T10:02:26","date_gmt":"2017-04-18T08:02:26","guid":{"rendered":"http:\/\/blocs.xtec.cat\/cdacansantoi\/?p=4822"},"modified":"2017-04-18T10:02:26","modified_gmt":"2017-04-18T08:02:26","slug":"la-historia-geologica-dun-riu-fins-arribar-al-mar","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/la-historia-geologica-dun-riu-fins-arribar-al-mar\/","title":{"rendered":"La hist\u00f2ria geol\u00f2gica d&#8217;un riu fins arribar al mar"},"content":{"rendered":"<p>El divendres 31 de mar\u00e7 els alumnes de Batxillerat dels Instituts Rafael Casanova de Sant Boi de Llobregat i Frederic Mompou de Sant Vicen\u00e7 dels Horts van realitzar una sortida de geologia a Pallej\u00e0 per tal\u00a0d&#8217;investigar la hist\u00f2ria del riu que va comen\u00e7ar a fer sediments que daten de fa 250 milions d&#8217;anys<a href=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2017\/04\/111-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-full wp-image-4824\" src=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2017\/04\/111-1.jpg\" alt=\"111\" width=\"300\" height=\"225\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2017\/04\/111-1.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2017\/04\/111-1-200x150.jpg 200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Una mica m\u00e9s amunt\u00a0de l&#8217;escola Angel Guimer\u00e0 d&#8217;aquesta localitat es poden apreciar molt b\u00e9 els afloraments, en nivells superposats de: conglomerats, gresos, i calc\u00e0ries.<\/p>\n<p>Van analitzar cada\u00a0afloraments tot mesurant estrats, al\u00e7ades, direccions i capbussaments\u00a0 de les capes; tamb\u00e9 van determinar la duresa i composici\u00f3 de les roques. Amb totes les dades recollides van poder interpretar l&#8217;origen de tota la seq\u00fc\u00e8ncia que es correspon a una transgressi\u00f3 marina d&#8217;una plana al\u00b7luvial.<\/p>\n<p>Un cop al centre i amb la informaci\u00f3 obtinguda podran realitzar la columna estratigr\u00e0fica i un tall topogr\u00e0fic de la zona per a determinar en quina vessant de muntanya es poden trobar surg\u00e8ncies d&#8217;aigua.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El divendres 31 de mar\u00e7 els alumnes de Batxillerat dels Instituts Rafael Casanova de Sant Boi de Llobregat i Frederic Mompou de Sant Vicen\u00e7 dels Horts van realitzar una sortida de geologia a Pallej\u00e0 per tal\u00a0d&#8217;investigar la hist\u00f2ria del riu que va comen\u00e7ar a fer sediments que daten de fa 250 milions d&#8217;anys Una mica [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","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 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