{"id":23509,"date":"2025-05-30T10:18:52","date_gmt":"2025-05-30T08:18:52","guid":{"rendered":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=23509"},"modified":"2025-05-30T10:18:52","modified_gmt":"2025-05-30T08:18:52","slug":"els-reptes-del-fort-pius-i-les-geonenes-del-joanot-martorell","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/els-reptes-del-fort-pius-i-les-geonenes-del-joanot-martorell\/","title":{"rendered":"Els reptes del Fort Pius i les geonenes del Joanot Martorell"},"content":{"rendered":"<p style=\"text-align: justify;\">L&#8217;alumnat de 1r de batxillerat de l&#8217;<a href=\"https:\/\/agora.xtec.cat\/insfortpius\/\" target=\"_blank\" rel=\"noopener\">Institut Fort Pius<\/a> de Barcelona i l&#8217;<a href=\"http:\/\/www.institutjoanbrossa.cat\/\">Institut Joanot Martorell<\/a>\u00a0d&#8217;Esplugues de Llobregat\u00a0s&#8217;ha coordinat per venir a la zona del Papiol per analitzar l&#8217;origen de <em>Les Escletxes<\/em> i estudiar a fons els <a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/ambits\/geologia\/processos-de-vessant-i-riscs-naturals\/\">processos de vessant i riscos geol\u00f2gics naturals<\/a>.<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-23522 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/05\/4-4.jpg\" alt=\"\" width=\"242\" height=\"323\" \/>En primer lloc, s&#8217;han situat geogr\u00e0ficament amb el GPS, han copsat el relleu de la zona i han diferenciat els materials superiors dels inferiors que es veien a simple vista. Han treballat de valent per analitzar la consist\u00e8ncia, la resist\u00e8ncia, la impermeabilitat, la ductilitat i la pres\u00e8ncia de carbonats en ambd\u00f3s materials<span style=\"font-family: inherit; font-size: 1em;\">. Dividits en 4 equips de treball i amb els instruments que els hem proporcionat (martell de ge\u00f2leg, \u00e0cid clorh\u00eddric, aigua i clau dicot\u00f2mica) han identificat els materials superiors com a calc\u00e0ries fossil\u00edferes (amb coralls i conquilles) i els inferiors com a lutites (argiles).<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright  wp-image-23521\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/05\/3-6.jpg\" alt=\"\" width=\"172\" height=\"229\" \/>Despr\u00e9s d&#8217;una pausa per esmorzar han pogut protegir-se del Sol endinsant-se en les 6 escletxes principals per prendre&#8217;ls-hi diferents mesures: la direcci\u00f3, la inclinaci\u00f3 de les parets, l&#8217;amplada, la profunditat i el despla\u00e7ament vertical respectiu d&#8217;ambd\u00f3s blocs. Amb totes les dades recollides i analitzant els fen\u00f2mens impulsors i de resist\u00e8ncia, han pogut elaborar un model te\u00f2ric de com s\u2019havien pogut formar aquestes estructures tan peculiars.<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-23519 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/05\/1-7.jpg\" alt=\"\" width=\"421\" height=\"316\" \/>Entre tots, han arribat a la seg\u00fcent conclusi\u00f3: com que les roques calc\u00e0ries es degraden a causa de l&#8217;aigua de la pluja (lleugerament \u00e0cida), al llarg de milions d\u2019anys es van esquerdant cada cop m\u00e9s fins que l&#8217;aigua arriba a les argiles inferiors. Quan plou, les argiles es tornen fangoses i es comporten de manera pl\u00e0stica. Aix\u00f2, juntament amb el pendent del vessant, hauria provocat que les calc\u00e0ries llisquessin vessant avall fins a formar el fenomen geol\u00f2gic que veiem avui dia.<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-23520 alignright\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/05\/2-9.jpg\" alt=\"\" width=\"425\" height=\"317\" \/>Per \u00faltim, s&#8217;han enfilat a un dels blocs m\u00e9s alts de calc\u00e0ria per tenir una bona panor\u00e0mica des d&#8217;on poder constatar l&#8217;impacte que t\u00e9 aquest fenomen de vessant en les infraestructures del poble del Papiol i esmentar les principals mesures preventives que es podrien aplicar per tal de minimitzar els seus efectes.<\/p>\n<p style=\"text-align: justify;\">Han gaudit molt passant d&#8217;una esquerda a una altra mentre aprenien sobre geologia i els riscos geol\u00f2gics.<\/p>\n<p style=\"text-align: justify;\">L&#8217;enhorabona per la feina feta i fins ben aviat futurs i futures ge\u00f2logues!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&#8217;alumnat de 1r de batxillerat de l&#8217;Institut Fort Pius de Barcelona i l&#8217;Institut Joanot Martorell\u00a0d&#8217;Esplugues de Llobregat\u00a0s&#8217;ha coordinat per venir a la zona del Papiol per analitzar l&#8217;origen de Les Escletxes i estudiar a fons els processos de vessant i riscos geol\u00f2gics naturals. En primer lloc, s&#8217;han situat geogr\u00e0ficament amb el GPS, han copsat el [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":23519,"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":"default","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":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","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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