{"id":11331,"date":"2019-12-02T09:43:41","date_gmt":"2019-12-02T08:43:41","guid":{"rendered":"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=11331"},"modified":"2019-12-02T13:06:44","modified_gmt":"2019-12-02T12:06:44","slug":"aclarit-el-misteri-de-les-escletxes-del-papiol","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/aclarit-el-misteri-de-les-escletxes-del-papiol\/","title":{"rendered":"Aclarit el misteri de les Escletxes del Papiol"},"content":{"rendered":"<p>Dijous 28 de novembre \u00a0els alumnes de 4t ESO de l\u2019optativa de Biologia i Geologia\u00a0 de l\u2019<strong>Institut Francesc Ferrer i Gu\u00e0rdia<\/strong> de Sant Joan Desp\u00ed han fet una sortida de camp per investigar la formaci\u00f3 de <a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/ambits\/geologia\/processos-de-vessant-i-riscs-naturals\/\" target=\"_blank\" rel=\"noopener noreferrer\">les Escletxes i el risc<\/a> que aquest fenomen genera a la poblaci\u00f3 del Papiol.<\/p>\n<p><a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2019\/12\/IMG_0531bis.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-11337 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2019\/12\/IMG_0531bis.jpg\" alt=\"\" width=\"225\" height=\"300\" \/><\/a>Han comen\u00e7at formulant hip\u00f2tesis de com s\u2019han pogut formar les Escletxes i de perqu\u00e8 se n\u2019han format en aquesta zona i no en una altra. A continuaci\u00f3 s&#8217;han dividit en grups i\u00a0 han revisat el material necessari per realitzar el treball de camp.<\/p>\n<p>Primer han analitzat i identificat els dos tipus de materials que afloren a la zona, a partir de la seva composici\u00f3 i caracter\u00edstiques. Han arribat a la conclusi\u00f3 que el material superior on s&#8217;han format les escletxes s\u00f3n calc\u00e0ries massives i que el material interior s\u00f3n argiles. Amb tota la informaci\u00f3 recopilada han confeccionat una columna estratigr\u00e0fica.<\/p>\n<p><a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2019\/12\/muntatge.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-11338 alignright\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2019\/12\/muntatge.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2019\/12\/muntatge.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2019\/12\/muntatge-150x150.jpg 150w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>Tot seguit han accedit a l\u2019interior de sis escletxes per prendre mesures d\u2019amplada, despla\u00e7ament vertical i profunditat i han utilitzat la br\u00faixola i el clin\u00f2metre per saber la inclinaci\u00f3 i direcci\u00f3.<\/p>\n<p>Un cop posades en com\u00fa totes les dades han dedu\u00eft les causes i el proc\u00e9s de formaci\u00f3. Han arribat a la conclusi\u00f3 que les roques superficials on es troben les escletxes s\u00f3n calc\u00e0ries que han patit un proc\u00e9s de meteoritzaci\u00f3 (degradaci\u00f3 pels agents externs) pel qual s\u2019ha infiltrat l\u2019aigua fins els materials inferiors on trobem argiles (impermeables). La inclinaci\u00f3 del vessant ha provocat el lliscament de les calc\u00e0ries sobre les argiles i el progressiu eixamplament de les esquerdes fins a formar les escletxes actuals.<\/p>\n<p>Finalment han anat fins al poble del Papiol per veure en les fa\u00e7anes d\u2019algunes cases les esquerdes que es produeixen i estimar el risc que els hi suposa.<\/p>\n<p>Han fet una gran feina de ge\u00f2legs i s\u2019ho han passat molt b\u00e9 endinsant-se en\u00a0 les escletxes!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dijous 28 de novembre \u00a0els alumnes de 4t ESO de l\u2019optativa de Biologia i Geologia\u00a0 de l\u2019Institut Francesc Ferrer i Gu\u00e0rdia de Sant Joan Desp\u00ed han fet una sortida de camp per investigar la formaci\u00f3 de les Escletxes i el risc que aquest fenomen genera a la poblaci\u00f3 del Papiol. Han comen\u00e7at formulant hip\u00f2tesis de [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":11336,"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":[1,295,29],"tags":[],"class_list":["post-11331","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general","category-geologia","category-portada"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/11331","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=11331"}],"version-history":[{"count":3,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/11331\/revisions"}],"predecessor-version":[{"id":11347,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/11331\/revisions\/11347"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/media\/11336"}],"wp:attachment":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/media?parent=11331"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/categories?post=11331"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/tags?post=11331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}