{"id":61730,"date":"2023-06-05T18:42:35","date_gmt":"2023-06-05T18:42:35","guid":{"rendered":"https:\/\/naturpiedra.com\/es\/?page_id=61730"},"modified":"2023-06-06T09:27:31","modified_gmt":"2023-06-06T09:27:31","slug":"le-cadre-geologique","status":"publish","type":"page","link":"https:\/\/naturpiedra.com\/es\/fr\/le-cadre-geologique\/","title":{"rendered":"Le cadre g\u00e9ologique"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"61730\" class=\"elementor elementor-61730\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f34419a elementor-hidden-tablet elementor-hidden-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f34419a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6c09345\" data-id=\"6c09345\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8b62222 elementor-widget__width-auto elementor-widget elementor-widget-button\" data-id=\"8b62222\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-size-xs\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Le cadre g\u00e9ologique<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c006764 elementor-widget__width-auto elementor-widget elementor-widget-button\" data-id=\"c006764\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xs\" href=\"https:\/\/naturpiedra.com\/es\/fr\/les-carrieres-et-les-materiaux\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Les carrieres et les materiaux<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aaff55c elementor-widget__width-auto elementor-widget elementor-widget-button\" data-id=\"aaff55c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xs\" href=\"https:\/\/naturpiedra.com\/es\/fr\/aspects-reglementaires-et-normatifs\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Aspects reglementaires et normatifs<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e7b33d1 elementor-widget__width-auto elementor-widget elementor-widget-button\" data-id=\"e7b33d1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xs\" href=\"https:\/\/naturpiedra.com\/es\/fr\/developpement-durable-et-efficacite-energetique\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">D\u00e9veloppement durable et efficacit\u00e9 \u00e9nerg\u00e9tique<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-818c379 elementor-widget__width-auto elementor-widget elementor-widget-button\" data-id=\"818c379\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xs\" href=\"https:\/\/naturpiedra.com\/es\/fr\/produits-commercialises\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Produits commercialis\u00e9s<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c738dd4 elementor-widget__width-auto elementor-widget elementor-widget-button\" data-id=\"c738dd4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xs\" href=\"https:\/\/naturpiedra.com\/es\/fr\/produits-soumis-aux-normes-europeennes-harmonisees\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Produits soumis aux normes Europeennes harmonis\u00e9es<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-664869c elementor-widget__width-auto elementor-widget elementor-widget-button\" data-id=\"664869c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xs\" href=\"https:\/\/naturpiedra.com\/es\/fr\/specifications-pour-les-travaux-de-maconnerie\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Specifications pour les travaux de ma\u00e7onnerie<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-948207c elementor-widget__width-auto elementor-widget elementor-widget-button\" data-id=\"948207c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xs\" href=\"https:\/\/naturpiedra.com\/es\/fr\/annexe-protocoles-et-tests\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Annexe. Protocoles et tests<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c19c1e6 elementor-section-full_width elementor-section-stretched elementor-hidden-desktop elementor-section-height-default elementor-section-height-default\" data-id=\"c19c1e6\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;,&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-df3a440\" data-id=\"df3a440\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-faa947c elementor-nav-menu__align-justify elementor-nav-menu--dropdown-none elementor-widget elementor-widget-nav-menu\" data-id=\"faa947c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;layout&quot;:&quot;horizontal&quot;,&quot;submenu_icon&quot;:{&quot;value&quot;:&quot;&lt;i class=\\&quot;fas fa-caret-down\\&quot; aria-hidden=\\&quot;true\\&quot;&gt;&lt;\\\/i&gt;&quot;,&quot;library&quot;:&quot;fa-solid&quot;}}\" data-widget_type=\"nav-menu.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<nav aria-label=\"Men\u00fa\" class=\"elementor-nav-menu--main elementor-nav-menu__container elementor-nav-menu--layout-horizontal e--pointer-none\">\n\t\t\t\t<ul id=\"menu-1-faa947c\" class=\"elementor-nav-menu\"><li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-61844\"><a href=\"https:\/\/naturpiedra.com\/es\/fr\/le-cadre-geologique\/\" class=\"elementor-item\">Le cadre g\u00e9ologique<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-61845\"><a href=\"https:\/\/naturpiedra.com\/es\/fr\/les-carrieres-et-les-materiaux\/\" class=\"elementor-item\">Les carrieres et les materiaux<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-61846\"><a href=\"https:\/\/naturpiedra.com\/es\/fr\/aspects-reglementaires-et-normatifs\/\" class=\"elementor-item\">Aspects reglementaires et normatifs<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-61847\"><a href=\"https:\/\/naturpiedra.com\/es\/fr\/developpement-durable-et-efficacite-energetique\/\" class=\"elementor-item\">D\u00e9veloppement durable et efficacit\u00e9 \u00e9nerg\u00e9tique<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-61848\"><a href=\"https:\/\/naturpiedra.com\/es\/fr\/produits-commercialises\/\" class=\"elementor-item\">Produits commercialis\u00e9s<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-61849\"><a href=\"https:\/\/naturpiedra.com\/es\/fr\/produits-soumis-aux-normes-europeennes-harmonisees\/\" class=\"elementor-item\">Produits soumis aux normes Europeennes harmonis\u00e9es<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-61850\"><a href=\"https:\/\/naturpiedra.com\/es\/fr\/specifications-pour-les-travaux-de-maconnerie\/\" class=\"elementor-item\">Specifications pour les travaux de ma\u00e7onnerie<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-61851\"><a href=\"https:\/\/naturpiedra.com\/es\/fr\/annexe-protocoles-et-tests\/\" class=\"elementor-item\">Annexe. Protocoles et tests<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t\t\t<nav class=\"elementor-nav-menu--dropdown elementor-nav-menu__container\" aria-hidden=\"true\">\n\t\t\t\t<ul id=\"menu-2-faa947c\" class=\"elementor-nav-menu\"><li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-61844\"><a href=\"https:\/\/naturpiedra.com\/es\/fr\/le-cadre-geologique\/\" class=\"elementor-item\" tabindex=\"-1\">Le cadre g\u00e9ologique<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-61845\"><a href=\"https:\/\/naturpiedra.com\/es\/fr\/les-carrieres-et-les-materiaux\/\" class=\"elementor-item\" tabindex=\"-1\">Les carrieres et les materiaux<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-61846\"><a href=\"https:\/\/naturpiedra.com\/es\/fr\/aspects-reglementaires-et-normatifs\/\" class=\"elementor-item\" tabindex=\"-1\">Aspects reglementaires et normatifs<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-61847\"><a href=\"https:\/\/naturpiedra.com\/es\/fr\/developpement-durable-et-efficacite-energetique\/\" class=\"elementor-item\" tabindex=\"-1\">D\u00e9veloppement durable et efficacit\u00e9 \u00e9nerg\u00e9tique<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-61848\"><a href=\"https:\/\/naturpiedra.com\/es\/fr\/produits-commercialises\/\" class=\"elementor-item\" tabindex=\"-1\">Produits commercialis\u00e9s<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-61849\"><a href=\"https:\/\/naturpiedra.com\/es\/fr\/produits-soumis-aux-normes-europeennes-harmonisees\/\" class=\"elementor-item\" tabindex=\"-1\">Produits soumis aux normes Europeennes harmonis\u00e9es<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-61850\"><a href=\"https:\/\/naturpiedra.com\/es\/fr\/specifications-pour-les-travaux-de-maconnerie\/\" class=\"elementor-item\" tabindex=\"-1\">Specifications pour les travaux de ma\u00e7onnerie<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-61851\"><a href=\"https:\/\/naturpiedra.com\/es\/fr\/annexe-protocoles-et-tests\/\" class=\"elementor-item\" tabindex=\"-1\">Annexe. Protocoles et tests<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-44e3e0b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"44e3e0b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-049c299\" data-id=\"049c299\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4232d80 elementor-widget elementor-widget-text-editor\" data-id=\"4232d80\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h1 style=\"color: #54595f; font-size: 14px;\"><strong>Donn\u00e9es techniques<\/strong> &gt; <em>Donn\u00e9es techniques fhyllite de Bernardos &gt; Le cadre g\u00e9ologique<\/em><\/h1>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a334c89 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a334c89\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7be7c83\" data-id=\"7be7c83\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-33257bd elementor-widget elementor-widget-text-editor\" data-id=\"33257bd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p align=\"justify\">Le cadre g\u00e9ologique des carri\u00e8res de Bernardos se situe dans les couches de la formation de Sant Mar\u00eda de Nieva appartenant au complexe Schiste Grauwacke, d\u00e9fini sur le plan g\u00e9ologique national \u00e0 l\u2019\u00e9chelle 1 :50000 (IGME) comme \u201cNava de la Asunci\u00f3n\u201d. Ces couches sont une succession d\u2019ardoises sablonneuses, de couleur vert-gris\u00e2tre avec de fr\u00e9quentes intercalations de gr\u00e8s et de quartz, de l\u2019\u00e8re infra-Cambrien inf\u00e9rieur, Ce qui suppose une anciennet\u00e9 de plus de 550 millions d\u2019ann\u00e9es.. Au microscope on peut observer des diff\u00e9rences de granulom\u00e9trie ainsi que des diff\u00e9rences de contenu en Quartz et Plagioclases d\u00e9tritiques, et en fonction de la pr\u00e9dominance des Microclastes, on peut d\u00e9nommer les roches Phyllites, Quartzo-phyllites, Plagioclassiques, M\u00e9tagrauwaques ou M\u00e9tas\u00e9mitiques. (Barros Lorenzo, Jos\u00e9 Carlos 2013). La schistosit\u00e9 du mat\u00e9riel pr\u00e9sente une inclinaison de 20\u00ba vers N avec un feuilletage avec des plans axiaux S1 dispers\u00e9s, dus probablement \u00e0 une \u00e9tape ant\u00e9rieure de la formation qui affecta le complexe schiste-grauwacque.<\/p><p align=\"justify\">Une particularit\u00e9 de l\u2019ardoise de Bernardos r\u00e9side dans le fait qu\u2019occasionnellement, le plan de schistosit\u00e9 S1 et celui de la s\u00e9dimentation S0 sont sous-parall\u00e8les (image II-1), ce qui donne lieu en surface, \u00e0 une veinure tr\u00e8s caract\u00e9ristique qui est magnifi\u00e9e d\u00e8s lors qu\u2019on lui applique une finition superficielle telle qu\u2019un polissage, ou un vieillissement m\u00e9canique par brossage, offrant ainsi aux prescripteurs d\u2019autres facettes \u00e0 prendre en compte dans le design architectonique. De m\u00eame, comme les deux plans pr\u00e9sentent une inclinaison relativement faible ceci \u00e9vite la casse due \u00e0 des flexions impr\u00e9vues \u00e0 leur intersection (image II-1)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-71267e7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"71267e7\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-758e85d\" data-id=\"758e85d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fe7049f elementor-widget elementor-widget-image\" data-id=\"fe7049f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1500\" height=\"334\" src=\"https:\/\/naturpiedra.com\/es\/wp-content\/uploads\/2023\/01\/El-marco-geologico-Naturpiedra-Img1.jpg\" class=\"attachment-full size-full wp-image-41205\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Image II-1. Intersection des plans S0 et S1.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cbc670e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cbc670e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6e4b38a\" data-id=\"6e4b38a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ff0cceb elementor-widget elementor-widget-text-editor\" data-id=\"ff0cceb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p align=\"justify\">Dans certaines zones des carri\u00e8res on a pu appr\u00e9cier des couches de carbonates sur les plans de s\u00e9dimentation S0 ainsi comme des ph\u00e9nom\u00e8nes de d\u00e9formation en des microplis rapproch\u00e9s (cr\u00e9nulation) qui conf\u00e8rent \u00e0 ces ardoises un aspect vein\u00e9 tr\u00e8s appr\u00e9ci\u00e9 par les architectes pour les r\u00e9novations ou chantiers de nouvelles constructions quand ce type d\u2019effet est recherch\u00e9. Les \u00e9tudes p\u00e9trographiques des ardoises de Bernardos indiquent qu\u2019elles semblent provenir de s\u00e9diments tr\u00e8s fins, similaires au limon, de composition quartzorgileuse, soumis \u00e0 un m\u00e9tamorphisme r\u00e9gional de faible \u00e0 tr\u00e8s faible niveau, d\u00fb \u00e0 la compression tectonique et que l\u2019on peut qualifier comme des Phyllites (cf Etude p\u00e9trographique en annexe)<\/p><p align=\"justify\">A ce stade, on consid\u00e8re int\u00e9ressant d\u2019inclure les derni\u00e8res \u00e9tudes men\u00e9es \u00e0 bien en ce sens, \u00e0 l\u2019Universit\u00e9 de Gand (Belgique) par le Dr.C\u00e1rdenes Van Den Eynde, Victor.<\/p><p align=\"justify\">Selon ce chercheur il est important de faire la diff\u00e9renciation entre les termes Ardoise pour couverture et Ardoise stricto sensu. L\u2019ardoise de couverture est un terme commercial qui s\u2019applique \u00e0 tous types de roches pouvant s\u2019effeuiller en de fines plaques r\u00e9guli\u00e8res qui sont utilis\u00e9es pour couvrir les toitures. Le terme Ardoise de couverture englobe quatre types de roches:<br \/><br \/>\u2022 Ardoise de niveau inf\u00e9rieur<br \/>\u2022 Ardoise stricto sensu<br \/>\u2022 Phyllite.<br \/>\u2022 Mica-schiste<\/p><p align=\"justify\">Cette classification d\u2019ardoises de couverture se base sur trois caract\u00e9ristiques principales: la couleur, la composition min\u00e9ralogique et la p\u00e9trologie.<\/p><p align=\"justify\">La couleur est d\u00e9finie par la proportion des min\u00e9raux secondaires et accessoires et d\u00e9pend de la composition min\u00e9rale, qui \u00e0 son tour a un lien avec les processus de formation de la roche. Dans les ardoises de couvertures on distingue principalement trois couleurs : noires\/grises (Lithotype B), vertes (Lithotype G) et rouges\/pourpres (lithotype R). Les Lithotypes B et G sont le fruit de conditions de formation r\u00e9ductrices et elles contiennent g\u00e9n\u00e9ralement du sulfure de fer. La couleur noire du Lithotype B est due \u00e0 une petite quantit\u00e9 de mati\u00e8re organique, qui n\u2019est pas pr\u00e9sente dans le Lithotype G. En revanche, le Lithotype R provient de conditions de formation oxydantes, et ont ainsi dans leur composition des oxydes de fer plut\u00f4t que des sulfures de fer.<\/p><p align=\"justify\">Les min\u00e9raux principaux qui composent l\u2019ardoise sont le Mica, Quartz, Chlorites et Feldspath. Les min\u00e9raux secondaires et accessoires sont les sulfures de fer et carbonates, dont la quantit\u00e9 contenue est un facteur \u00e0 prendre en compte pour d\u00e9terminer la qualit\u00e9 de l\u2019ardoise de couverture.<\/p><p align=\"justify\">Enfin la p\u00e9trologie nous donne des informations sur le degr\u00e9 de m\u00e9tamorphisme qu\u2019a connu la roche. Comme indiqu\u00e9 auparavant, il existe quatre types de roches utilis\u00e9es comme ardoises pour couvertures : l\u2019Ardoise de niveau inf\u00e9rieur, l\u2019Ardoise stricto sensu, la Phyllite, le Micachiste. L\u2019accroissement du m\u00e9tamorphisme entra\u00eene une re-cristallisation de la roche qui ferme l\u2019espace poreux r\u00e9duisant ainsi l\u2019absorption d\u2019eau tout en am\u00e9liorant le comportement m\u00e9canique.<\/p><p align=\"justify\">Cette classification trie les ardoises de couverture en 12 Lithotypes chacun avec des caract\u00e9ristiques g\u00e9n\u00e9rales qui permettent d\u2019inf\u00e9rer dans les grandes lignes les propri\u00e9t\u00e9s constructives. Image II-2.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-de5e1cb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"de5e1cb\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8de9d25\" data-id=\"8de9d25\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c0f10f2 elementor-widget elementor-widget-image\" data-id=\"c0f10f2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1500\" height=\"448\" src=\"https:\/\/naturpiedra.com\/es\/wp-content\/uploads\/2023\/01\/El-marco-Geologico-naturpiedra2-1.jpg\" class=\"attachment-full size-full wp-image-41209\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7f3b061 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7f3b061\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3fc51c7\" data-id=\"3fc51c7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-37460ee elementor-widget elementor-widget-text-editor\" data-id=\"37460ee\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p align=\"justify\">L\u2019analyse du tableau pr\u00e9c\u00e8dent nous indique que la Phyllite pr\u00e9sente un \u00e9tat de m\u00e9tamorphisme plus avanc\u00e9 que l\u2019ardoise au stricto sensu, et est interm\u00e9diaire entre une ardoise et un schiste, car la taille des micas est un peu plus grande chez la Phyllite. Ceci rend les plans d\u2019effeuillage un peu plus brillants, et en plus, en r\u00e8gle g\u00e9n\u00e9rale, elle pr\u00e9sente une superficie un peu plus rugueuse et ondul\u00e9e (Philpotts 1989) ce qui lui procure un aspect vein\u00e9 tr\u00e8s appr\u00e9ci\u00e9 par les prescripteurs recherchant cet effet de vagues.<\/p><p align=\"justify\">Dans tous les cas et pour des raisons pratiques, le terme \u201cardoise\u201c employ\u00e9 dans cette publication ne doit pas \u00eatre consid\u00e9r\u00e9 comme un terme p\u00e9trographique comme tel, mais plus comme une acception g\u00e9n\u00e9rique.<\/p><p align=\"justify\">Dans l\u2019image II-3 publi\u00e9e r\u00e9cemment par l\u2019Universit\u00e9 de Gand en Belgique, sont reprises les diff\u00e9rentes vari\u00e9t\u00e9s d\u2019ardoises les plus importantes pr\u00e9sentes actuellement sur le march\u00e9 mondial. Sur cette carte on retrouve l\u2019ardoise de Bernardos avec la d\u00e9nomination p\u00e9trographique \u201cPhyllite de Bernardos\u201d et le Lithotype B2.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-424d64b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"424d64b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d32f0e7\" data-id=\"d32f0e7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bb2b905 elementor-widget elementor-widget-image\" data-id=\"bb2b905\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1500\" height=\"988\" src=\"https:\/\/naturpiedra.com\/es\/wp-content\/uploads\/2023\/01\/El-marco-Geologico-naturpiedra3-1.jpg\" class=\"attachment-full size-full wp-image-41213\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9be39a1 elementor-hidden-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9be39a1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-4abae20\" data-id=\"4abae20\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-ae1d345\" data-id=\"ae1d345\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bcb4c3b elementor-align-right elementor-widget elementor-widget-button\" data-id=\"bcb4c3b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-pulse\" href=\"https:\/\/naturpiedra.com\/es\/fr\/les-carrieres-et-les-materiaux\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-hand-point-right\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Chapitre pr\u00e9c\u00e9dent<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-139f610 elementor-hidden-desktop elementor-hidden-tablet elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"139f610\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-da19aab\" data-id=\"da19aab\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-3cf4cc6\" data-id=\"3cf4cc6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f555323 elementor-align-left elementor-mobile-align-left elementor-widget-mobile__width-auto elementor-widget elementor-widget-button\" data-id=\"f555323\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-pulse\" href=\"https:\/\/naturpiedra.com\/es\/fr\/les-carrieres-et-les-materiaux\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-hand-point-right\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Chapitre pr\u00e9c\u00e9dent<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0657597 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0657597\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7c84e78\" data-id=\"7c84e78\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-15f8d0d elementor-widget elementor-widget-spacer\" data-id=\"15f8d0d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Le cadre g\u00e9ologique Les carrieres et les materiaux Aspects reglementaires et normatifs D\u00e9veloppement durable et efficacit\u00e9 \u00e9nerg\u00e9tique Produits commercialis\u00e9s Produits soumis aux normes Europeennes harmonis\u00e9es Specifications pour les travaux de ma\u00e7onnerie Annexe. Protocoles et tests Donn\u00e9es techniques &gt; Donn\u00e9es techniques fhyllite de Bernardos &gt; Le cadre g\u00e9ologique Le cadre g\u00e9ologique des carri\u00e8res de Bernardos se [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-61730","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Le cadre g\u00e9ologique - naturpiedra JBERNARDOS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/naturpiedra.com\/es\/fr\/le-cadre-geologique\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le cadre g\u00e9ologique - naturpiedra JBERNARDOS\" \/>\n<meta property=\"og:description\" content=\"Le cadre g\u00e9ologique Les carrieres et les materiaux Aspects reglementaires et normatifs D\u00e9veloppement durable et efficacit\u00e9 \u00e9nerg\u00e9tique Produits commercialis\u00e9s Produits soumis aux normes Europeennes harmonis\u00e9es Specifications pour les travaux de ma\u00e7onnerie Annexe. 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