{"id":49698,"date":"2024-08-15T19:32:24","date_gmt":"2024-08-15T19:32:24","guid":{"rendered":"https:\/\/gifex.com\/fr\/?post_type=ficha&#038;p=49698"},"modified":"2024-08-15T19:32:24","modified_gmt":"2024-08-15T19:32:24","slug":"carte-geologique-de-la-republique-sahraouie","status":"publish","type":"ficha","link":"https:\/\/gifex.com\/fr\/fichier\/carte-geologique-de-la-republique-sahraouie\/","title":{"rendered":"Carte g\u00e9ologique de la R\u00e9publique sahraouie"},"content":{"rendered":"<p style=\"text-align: center;\"><label style=\"font-size: 15px;\">Carte g\u00e9ologique simplifi\u00e9e de la R\u00e9publique arabe sahraouie d\u00e9mocratique.<\/label><\/p>\n<p><strong>G\u00e9ologie de la de la R\u00e9publique arabe sahraouie d\u00e9mocratique<\/strong><\/p>\n<p>La g\u00e9ologie du Sahara occidental comprend des unit\u00e9s rocheuses datant de l&#8217;Arch\u00e9en, il y a plus de deux milliards d&#8217;ann\u00e9es, bien que les gisements de phosphore form\u00e9s au M\u00e9sozo\u00efque et au C\u00e9nozo\u00efque aient contribu\u00e9 \u00e0 d\u00e9clencher l&#8217;occupation marocaine actuelle de la majeure partie du pays.<\/p>\n<p><strong>Stratigraphie et tectonique<\/strong><\/p>\n<p>L&#8217;est du Sahara occidental repose sur des roches arch\u00e9ennes du bouclier de Reguibat. Ouled Dhlim, une unit\u00e9 de l&#8217;orog\u00e8ne mauritanide, affleure dans le centre-sud du Sahara occidental, tandis que le domaine de Zemmour est l&#8217;extension sud du domaine de l&#8217;Anti-Atlas au Maroc. La partie occidentale du pays est constitu\u00e9e de s\u00e9diments du bassin c\u00f4tier et le sud est dot\u00e9 de vastes dunes de sable.<\/p>\n<p><strong>Hydrog\u00e9ologie<\/strong><\/p>\n<p>Certaines parties du sud et du centre-nord du Sahara occidental sont constitu\u00e9es d&#8217;aquif\u00e8res multicouches de sable et de gravier non consolid\u00e9s, datant du C\u00e9nozo\u00efque, subdivis\u00e9s par des couches imperm\u00e9ables de limon et d&#8217;argile. Pr\u00e8s de 50 % du pays est constitu\u00e9 d&#8217;aquif\u00e8res de gr\u00e8s, dont l&#8217;\u00e2ge varie du Pal\u00e9ozo\u00efque au C\u00e9nozo\u00efque. Au sud et \u00e0 l&#8217;est, le socle rocheux pr\u00e9cambrien fractur\u00e9 retient un peu d&#8217;eau, mais avec une recharge tr\u00e8s limit\u00e9e en raison de pr\u00e9cipitations totales extr\u00eamement faibles. Des aquif\u00e8res karstiques sont pr\u00e9sents dans quelques endroits limit\u00e9s pr\u00e8s de la fronti\u00e8re marocaine au nord.<\/p>\n<p><strong>G\u00e9ologie des ressources naturelles<\/strong><\/p>\n<p>L&#8217;exploitation mini\u00e8re au Sahara occidental se limite \u00e0 l&#8217;extraction de phosphate, dans la zone d&#8217;occupation marocaine, notamment dans une grande mine \u00e0 Bou Craa. Le Sahara occidental poss\u00e8de certains des plus grands gisements de phosphate du monde et devrait jouer un r\u00f4le cl\u00e9 \u00e0 l&#8217;approche de la p\u00e9nurie de phosphore et du pic potentiel de phosphore au milieu du 21<sup>e<\/sup> si\u00e8cle. L&#8217;exploration d&#8217;hydrocarbures au large de Tarfaya, pr\u00e8s de la fronti\u00e8re marocaine, n&#8217;a pas donn\u00e9 de r\u00e9sultats.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>G\u00e9ologie de la de la R\u00e9publique arabe sahraouie d\u00e9mocratique. La g\u00e9ologie du Sahara occidental comprend des unit\u00e9s rocheuses datant de l&#8217;Arch\u00e9en, il y a plus de<\/p>\n","protected":false},"author":1,"featured_media":49699,"template":"","categoria_ficha":[250],"class_list":["post-49698","ficha","type-ficha","status-publish","has-post-thumbnail","hentry","categoria_ficha-cartes-du-sahara-occidental"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Carte g\u00e9ologique de la R\u00e9publique sahraouie - Gifex<\/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:\/\/gifex.com\/fr\/fichier\/carte-geologique-de-la-republique-sahraouie\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Carte g\u00e9ologique de la R\u00e9publique sahraouie - Gifex\" \/>\n<meta property=\"og:description\" content=\"G\u00e9ologie de la de la R\u00e9publique arabe sahraouie d\u00e9mocratique. La g\u00e9ologie du Sahara occidental comprend des unit\u00e9s rocheuses datant de l&#039;Arch\u00e9en, il y a plus de\" \/>\n<meta property=\"og:url\" content=\"https:\/\/gifex.com\/fr\/fichier\/carte-geologique-de-la-republique-sahraouie\/\" \/>\n<meta property=\"og:site_name\" content=\"Gifex\" \/>\n<meta property=\"og:image\" content=\"https:\/\/gifex.com\/fr\/wp-content\/uploads\/49698\/Carte-geologique-de-la-Republique-arabe-sahraouie-democratique.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1036\" \/>\n\t<meta property=\"og:image:height\" content=\"889\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/gifex.com\\\/fr\\\/fichier\\\/carte-geologique-de-la-republique-sahraouie\\\/\",\"url\":\"https:\\\/\\\/gifex.com\\\/fr\\\/fichier\\\/carte-geologique-de-la-republique-sahraouie\\\/\",\"name\":\"Carte g\u00e9ologique de la R\u00e9publique sahraouie - Gifex\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/gifex.com\\\/fr\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/gifex.com\\\/fr\\\/fichier\\\/carte-geologique-de-la-republique-sahraouie\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/gifex.com\\\/fr\\\/fichier\\\/carte-geologique-de-la-republique-sahraouie\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/gifex.com\\\/fr\\\/wp-content\\\/uploads\\\/49698\\\/Carte-geologique-de-la-Republique-arabe-sahraouie-democratique.png\",\"datePublished\":\"2024-08-15T19:32:24+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/gifex.com\\\/fr\\\/fichier\\\/carte-geologique-de-la-republique-sahraouie\\\/#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/gifex.com\\\/fr\\\/fichier\\\/carte-geologique-de-la-republique-sahraouie\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/gifex.com\\\/fr\\\/fichier\\\/carte-geologique-de-la-republique-sahraouie\\\/#primaryimage\",\"url\":\"https:\\\/\\\/gifex.com\\\/fr\\\/wp-content\\\/uploads\\\/49698\\\/Carte-geologique-de-la-Republique-arabe-sahraouie-democratique.png\",\"contentUrl\":\"https:\\\/\\\/gifex.com\\\/fr\\\/wp-content\\\/uploads\\\/49698\\\/Carte-geologique-de-la-Republique-arabe-sahraouie-democratique.png\",\"width\":1036,\"height\":889,\"caption\":\"Carte g\u00e9ologique de la R\u00e9publique arabe sahraouie d\u00e9mocratique.\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/gifex.com\\\/fr\\\/fichier\\\/carte-geologique-de-la-republique-sahraouie\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Portada\",\"item\":\"https:\\\/\\\/gifex.com\\\/fr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Liste de cartes\",\"item\":\"https:\\\/\\\/gifex.com\\\/fr\\\/liste-de-cartes\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Carte g\u00e9ologique de la R\u00e9publique sahraouie\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/gifex.com\\\/fr\\\/#website\",\"url\":\"https:\\\/\\\/gifex.com\\\/fr\\\/\",\"name\":\"Gifex\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/gifex.com\\\/fr\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"es\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Carte g\u00e9ologique de la R\u00e9publique sahraouie - Gifex","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/gifex.com\/fr\/fichier\/carte-geologique-de-la-republique-sahraouie\/","og_locale":"es_ES","og_type":"article","og_title":"Carte g\u00e9ologique de la R\u00e9publique sahraouie - Gifex","og_description":"G\u00e9ologie de la de la R\u00e9publique arabe sahraouie d\u00e9mocratique. La g\u00e9ologie du Sahara occidental comprend des unit\u00e9s rocheuses datant de l'Arch\u00e9en, il y a plus de","og_url":"https:\/\/gifex.com\/fr\/fichier\/carte-geologique-de-la-republique-sahraouie\/","og_site_name":"Gifex","og_image":[{"width":1036,"height":889,"url":"https:\/\/gifex.com\/fr\/wp-content\/uploads\/49698\/Carte-geologique-de-la-Republique-arabe-sahraouie-democratique.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Tiempo de lectura":"2 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/gifex.com\/fr\/fichier\/carte-geologique-de-la-republique-sahraouie\/","url":"https:\/\/gifex.com\/fr\/fichier\/carte-geologique-de-la-republique-sahraouie\/","name":"Carte g\u00e9ologique de la R\u00e9publique sahraouie - Gifex","isPartOf":{"@id":"https:\/\/gifex.com\/fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/gifex.com\/fr\/fichier\/carte-geologique-de-la-republique-sahraouie\/#primaryimage"},"image":{"@id":"https:\/\/gifex.com\/fr\/fichier\/carte-geologique-de-la-republique-sahraouie\/#primaryimage"},"thumbnailUrl":"https:\/\/gifex.com\/fr\/wp-content\/uploads\/49698\/Carte-geologique-de-la-Republique-arabe-sahraouie-democratique.png","datePublished":"2024-08-15T19:32:24+00:00","breadcrumb":{"@id":"https:\/\/gifex.com\/fr\/fichier\/carte-geologique-de-la-republique-sahraouie\/#breadcrumb"},"inLanguage":"es","potentialAction":[{"@type":"ReadAction","target":["https:\/\/gifex.com\/fr\/fichier\/carte-geologique-de-la-republique-sahraouie\/"]}]},{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/gifex.com\/fr\/fichier\/carte-geologique-de-la-republique-sahraouie\/#primaryimage","url":"https:\/\/gifex.com\/fr\/wp-content\/uploads\/49698\/Carte-geologique-de-la-Republique-arabe-sahraouie-democratique.png","contentUrl":"https:\/\/gifex.com\/fr\/wp-content\/uploads\/49698\/Carte-geologique-de-la-Republique-arabe-sahraouie-democratique.png","width":1036,"height":889,"caption":"Carte g\u00e9ologique de la R\u00e9publique arabe sahraouie d\u00e9mocratique."},{"@type":"BreadcrumbList","@id":"https:\/\/gifex.com\/fr\/fichier\/carte-geologique-de-la-republique-sahraouie\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Portada","item":"https:\/\/gifex.com\/fr\/"},{"@type":"ListItem","position":2,"name":"Liste de cartes","item":"https:\/\/gifex.com\/fr\/liste-de-cartes\/"},{"@type":"ListItem","position":3,"name":"Carte g\u00e9ologique de la R\u00e9publique sahraouie"}]},{"@type":"WebSite","@id":"https:\/\/gifex.com\/fr\/#website","url":"https:\/\/gifex.com\/fr\/","name":"Gifex","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/gifex.com\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"es"}]}},"_links":{"self":[{"href":"https:\/\/gifex.com\/fr\/wp-json\/wp\/v2\/ficha\/49698","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gifex.com\/fr\/wp-json\/wp\/v2\/ficha"}],"about":[{"href":"https:\/\/gifex.com\/fr\/wp-json\/wp\/v2\/types\/ficha"}],"author":[{"embeddable":true,"href":"https:\/\/gifex.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":1,"href":"https:\/\/gifex.com\/fr\/wp-json\/wp\/v2\/ficha\/49698\/revisions"}],"predecessor-version":[{"id":49701,"href":"https:\/\/gifex.com\/fr\/wp-json\/wp\/v2\/ficha\/49698\/revisions\/49701"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gifex.com\/fr\/wp-json\/wp\/v2\/media\/49699"}],"wp:attachment":[{"href":"https:\/\/gifex.com\/fr\/wp-json\/wp\/v2\/media?parent=49698"}],"wp:term":[{"taxonomy":"categoria_ficha","embeddable":true,"href":"https:\/\/gifex.com\/fr\/wp-json\/wp\/v2\/categoria_ficha?post=49698"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}