{"id":429,"date":"2025-08-08T08:18:56","date_gmt":"2025-08-08T06:18:56","guid":{"rendered":"https:\/\/qr.nationalpark.ch\/calcaire-de-lallgaeu\/"},"modified":"2025-09-03T15:01:07","modified_gmt":"2025-09-03T13:01:07","slug":"allgaeu","status":"publish","type":"page","link":"https:\/\/qr.nationalpark.ch\/fr\/bez\/allgaeu\/","title":{"rendered":"Calcaire de l\u2019Allg\u00e4u"},"content":{"rendered":"\n<a class=\"standort__button gb-text-b1b68d17\" data-aos=\"fade-up\"><span class=\"gb-shape\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"16\" viewbox=\"0 0 12 16\" fill=\"none\">\n<path d=\"M11.7338 5.60503C11.7338 2.50797 9.22324 -0.00259399 6.12618 -0.00259399C3.02912 -0.00259399 0.518555 2.50797 0.518555 5.60503C0.518555 6.52341 0.739276 7.39009 1.13063 8.15511C1.18433 8.25998 1.24139 8.36284 1.30139 8.46383C1.36608 8.57271 1.43425 8.67932 1.50604 8.78326L3.61494 12.0763L6.12618 15.9974L8.63742 12.0763L10.7463 8.78326L11.1217 8.15511C11.5131 7.39009 11.7338 6.52328 11.7338 5.60503ZM6.12618 8.46383C4.57685 8.46383 3.32083 7.20781 3.32083 5.65847C3.32083 4.10914 4.57685 2.85312 6.12618 2.85312C7.67552 2.85312 8.93154 4.10914 8.93154 5.65847C8.93154 7.20781 7.67552 8.46383 6.12618 8.46383Z\" fill=\"white\"><\/path>\n<\/svg><\/span><span class=\"gb-text\">C\u00f4t\u00e9 nord-ouest Centre visiteurs<\/span><\/a>\n\n<h1 class=\"gb-text\" data-aos=\"fade-up\"><br>Calcaire de l\u2019Allg\u00e4u<\/h1>\n\n<p class=\"wp-block-paragraph\">Il s\u2019agit de calcaire de l\u2019Allg\u00e4u, provenant des profondeurs des mers et form\u00e9 il y a 150 millions d\u2019ann\u00e9es.<br\/>Entre l\u2019Europe et l\u2019Afrique s\u2019\u00e9tait form\u00e9 jadis un oc\u00e9an originel appel\u00e9 Th\u00e9thys. Ses falaises \u00e9taient partiellement instables et occasionnellement des avalanches de boue se d\u00e9clenchaient sous l\u2019eau, entra\u00eenant des mat\u00e9riaux vers les profondeurs.<\/p>\n\n<p class=\"gb-text\" data-aos=\"fade-up\"><em>Existe-t-il des couches plus claires et plus fonc\u00e9es ?<br><\/em>Les couches claires sont des couches calcaires. Elles sont issues du d\u00e9p\u00f4t de calcaire (coquilles de moules mortes, ammonites, escargots) \u2013 lors de phases calmes et sur une longue p\u00e9riode.<br>Les couches sombres et argileuses, en revanche, se sont form\u00e9es en quelques heures. Des glissements de terrain se sont produits occasionnellement sur les pentes parfois instables de l\u2019oc\u00e9an T\u00e9thys et ont entra\u00een\u00e9 des mat\u00e9riaux dans les profondeurs. Beaucoup de boue a \u00e9t\u00e9 soulev\u00e9e et s\u2019est ensuite d\u00e9pos\u00e9e au fond de la mer dans une nouvelle couche.<br>Ces calcaires argileux dominent les pentes du Val Trupchun. Les roches argileuses assurent des sols fertiles et une v\u00e9g\u00e9tation plus luxuriante. Elles sont l\u2019une des raisons du nombre \u00e9lev\u00e9 de cerfs et de bouquetins dans le Val Trupchun.     <\/p>\n\n<img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"1500\" class=\"gb-media-e13b1115\" alt=\"\" src=\"https:\/\/qr.nationalpark.ch\/wp-content\/uploads\/2025\/09\/LO_20250704_1748.jpg\" title=\"LO_20250704_1748\" srcset=\"https:\/\/qr.nationalpark.ch\/wp-content\/uploads\/2025\/09\/LO_20250704_1748.jpg 2000w, https:\/\/qr.nationalpark.ch\/wp-content\/uploads\/2025\/09\/LO_20250704_1748-300x225.jpg 300w, https:\/\/qr.nationalpark.ch\/wp-content\/uploads\/2025\/09\/LO_20250704_1748-1024x768.jpg 1024w, https:\/\/qr.nationalpark.ch\/wp-content\/uploads\/2025\/09\/LO_20250704_1748-768x576.jpg 768w, https:\/\/qr.nationalpark.ch\/wp-content\/uploads\/2025\/09\/LO_20250704_1748-1536x1152.jpg 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/>\n\n<p class=\"gb-text\">Photo d\u2019un mod\u00e8le d\u2019ammonite au mus\u00e9e des fossiles du Monte San Giorgio \u00e0 Meride (TI)<\/p>\n\n<div class=\"go__homepage\" data-aos=\"fade-up\">\n<a class=\"gb-text-c7b513e2\" href=\"https:\/\/qr.nationalpark.ch\/fr\/bez\/\"><span class=\"gb-text\">Page d&rsquo;accueil<\/span><span class=\"gb-shape\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"25\" height=\"25\" viewbox=\"0 0 25 25\" fill=\"none\">\n<circle cx=\"12.5186\" cy=\"12.6996\" r=\"11.5\" stroke=\"white\"><\/circle>\n<path d=\"M14.0186 17.9496L18.5186 12.6996L14.0186 7.44959\" stroke=\"white\"><\/path>\n<path d=\"M18.5186 12.6996H6.51855\" stroke=\"white\" stroke-width=\"0.8\"><\/path>\n<\/svg><\/span><\/a>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>C\u00f4t\u00e9 nord-ouest Centre visiteurs Calcaire de l\u2019Allg\u00e4u Il s\u2019agit de calcaire de l\u2019Allg\u00e4u, provenant des profondeurs des mers et form\u00e9 il y a 150 millions d\u2019ann\u00e9es.Entre l\u2019Europe et l\u2019Afrique s\u2019\u00e9tait form\u00e9 jadis un oc\u00e9an originel appel\u00e9 Th\u00e9thys. Ses falaises \u00e9taient partiellement instables et occasionnellement des avalanches de boue se d\u00e9clenchaient sous l\u2019eau, entra\u00eenant des mat\u00e9riaux &#8230; <a title=\"Calcaire de l\u2019Allg\u00e4u\" class=\"read-more\" href=\"https:\/\/qr.nationalpark.ch\/fr\/bez\/allgaeu\/\" aria-label=\"En savoir plus sur Calcaire de l\u2019Allg\u00e4u\">Lire plus<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":626,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-429","page","type-page","status-publish"],"acf":[],"_links":{"self":[{"href":"https:\/\/qr.nationalpark.ch\/fr\/wp-json\/wp\/v2\/pages\/429","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qr.nationalpark.ch\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/qr.nationalpark.ch\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/qr.nationalpark.ch\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qr.nationalpark.ch\/fr\/wp-json\/wp\/v2\/comments?post=429"}],"version-history":[{"count":8,"href":"https:\/\/qr.nationalpark.ch\/fr\/wp-json\/wp\/v2\/pages\/429\/revisions"}],"predecessor-version":[{"id":1407,"href":"https:\/\/qr.nationalpark.ch\/fr\/wp-json\/wp\/v2\/pages\/429\/revisions\/1407"}],"up":[{"embeddable":true,"href":"https:\/\/qr.nationalpark.ch\/fr\/wp-json\/wp\/v2\/pages\/626"}],"wp:attachment":[{"href":"https:\/\/qr.nationalpark.ch\/fr\/wp-json\/wp\/v2\/media?parent=429"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}