{"id":16820,"date":"2023-03-02T10:21:52","date_gmt":"2023-03-02T09:21:52","guid":{"rendered":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=16820"},"modified":"2023-03-02T10:21:52","modified_gmt":"2023-03-02T09:21:52","slug":"la-mala-superposicio-de-les-calcaries","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/la-mala-superposicio-de-les-calcaries\/","title":{"rendered":"La mala superposici\u00f3 de les calc\u00e0ries"},"content":{"rendered":"

\"\"Els alumnes de Geologia i Ci\u00e8ncies Ambientals de 2n de Batxillerat de l’Institut\u00a0Frederic Mompou<\/strong><\/a>\u00a0<\/strong>de Sant Vicen\u00e7 dels Horts han visitat avui dia 1 de mar\u00e7 de 2023 Les Escletxes del Papiol per estudiar els processos de vessant i els riscos naturals <\/a>associats a aquest fenomen.<\/p>\n

Nom\u00e9s arribar han plantejat com s\u2019havien pogut originar Les Escletxes i han formulat diverses hip\u00f2tesis per explicar el proc\u00e9s de desenvolupament. Han situat geogr\u00e0ficament amb el GPS la zona objecte d’estudi i han diferenciat els materials superiors dels inferiors que es veien a simple vista. A partir de l\u2019estudi de la impermeabilitat, la duresa, la reacci\u00f3 a l’\u00e0cid clorh\u00eddric i la consist\u00e8ncia de la roca han identificat els materials superiors com a calc\u00e0ries i els inferiors com a argiles, respectivament. Tamb\u00e9 han representat en una columna estratigr\u00e0fica els per\u00edodes de regressi\u00f3 i transgressi\u00f3 marina.<\/p>\n

Despr\u00e9s d’esmor\u00e7ar han pres diferents mesures de 5 escletxes principals: direcci\u00f3, inclinaci\u00f3, profunditat i els despla\u00e7aments horitzontal i vertical. Amb totes les dades recollides han pogut elaborar un model te\u00f2ric de com s\u2019havien pogut formar, analitzant els fen\u00f2mens impulsors i de resist\u00e8ncia.<\/p>\n

\"\"Tamb\u00e9 han observat f\u00f2ssils i alguns arbres amb una morfologia del tronc visiblement corbada per tal de deduir-ne un altre moviment de lliscament, per\u00f2 aquest cop per reptaci\u00f3 o creep<\/em>.<\/p>\n

Finalment, tenint en compte l’impacte que t\u00e9 aquest fenomen a les infraestructures del poble del Papiol, han calculat el risc que suposa aquest proc\u00e9s de vessant en les fa\u00e7anes de les seves cases tenint en compte el cost dels b\u00e9ns exposats, la vulnerabilitat i la probabilitat dels danys o per\u00edode de retorn.<\/p>\n

Han gaudit molt travessant d’una esquerda a una altra, endinsant-se en aquest paratge natural tan misteri\u00f3s mentre aprenien sobre la geologia i els riscos de vessant!<\/p>\n

\n
<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Els alumnes de Geologia i Ci\u00e8ncies Ambientals de 2n de Batxillerat de l’Institut\u00a0Frederic Mompou\u00a0de Sant Vicen\u00e7 dels Horts han visitat avui dia 1 de mar\u00e7 de 2023 Les Escletxes del Papiol per estudiar els processos de vessant i els riscos naturals associats a aquest fenomen. Nom\u00e9s arribar han plantejat com s\u2019havien pogut originar Les Escletxes […]<\/p>\n","protected":false},"author":3,"featured_media":16822,"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 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