{"id":270,"date":"2023-05-21T08:46:12","date_gmt":"2023-05-21T06:46:12","guid":{"rendered":"https:\/\/nationalpark.08eins-preview.ch\/fr\/flore-et-faune\/geologie\/calcaire-coralien\/"},"modified":"2024-01-02T14:47:39","modified_gmt":"2024-01-02T13:47:39","slug":"calcaire-coralien","status":"publish","type":"florafauna_cpt","link":"https:\/\/nationalpark.ch\/fr\/flore-et-faune\/calcaire-coralien\/","title":{"rendered":"Calcaire coralien"},"content":{"rendered":"<p><strong>Dans certaines roches calcaires, nous reconnaissons les restes p\u00e9trifi\u00e9s d\u2019une branche de corail provenant d\u2019une barri\u00e8re de corail, qui vivait il y a 200 millions d\u2019ann\u00e9es dans les zones c\u00f4ti\u00e8res d\u2019un oc\u00e9an.<\/strong><\/p>\n<p>Les polypes de corail sont de petits animaux qui construisent des barri\u00e8res de corail par accumulation de calcaire sur un grand laps de temps. Ces barri\u00e8res constituent des milieux parmi les plus riches en esp\u00e8ces au monde. C\u2019\u00e9tait d\u00e9j\u00e0 le cas il y a 200 millions d\u2019ann\u00e9es. Ces calcaires renferment des vestiges de coquillages, d\u2019escargots, de poissons et de reptiles marins. \u00c0 leur mort, leurs coquilles calcaires et leurs squelettes se sont d\u00e9pos\u00e9s sur le fond.<br \/>\nAu cours de millions d\u2019ann\u00e9es, de v\u00e9ritables cimeti\u00e8res se sont ainsi form\u00e9s en des d\u00e9p\u00f4ts de plusieurs m\u00e8tres de calcaire.<br \/>\nAujourd\u2019hui nous retrouvons ces roches riches en fossiles au Murtersattel \u00e0 2&rsquo;500 m d\u2019altitude, bien loin des mers tropicales.<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"template":"","class_list":["post-270","florafauna_cpt","type-florafauna_cpt","status-publish","hentry","florafauna_category-geologie","florafauna_category-roches-sedimentaires"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Calcaire coralien - Parc National Suisse<\/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:\/\/nationalpark.ch\/fr\/flore-et-faune\/calcaire-coralien\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Calcaire coralien - Parc National Suisse\" \/>\n<meta property=\"og:description\" content=\"Dans certaines roches calcaires, nous reconnaissons les restes p\u00e9trifi\u00e9s d\u2019une branche de corail provenant d\u2019une barri\u00e8re de corail, qui vivait il y a 200 millions d\u2019ann\u00e9es dans les zones c\u00f4ti\u00e8res ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/nationalpark.ch\/fr\/flore-et-faune\/calcaire-coralien\/\" \/>\n<meta property=\"og:site_name\" content=\"Parc National Suisse\" \/>\n<meta property=\"article:modified_time\" content=\"2024-01-02T13:47:39+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/nationalpark.ch\/fr\/wp-content\/uploads\/sites\/6\/2023\/11\/SNP_LO_20140912_34639-aspect-ratio-1280-550-1.jpg\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/nationalpark.ch\\\/fr\\\/flore-et-faune\\\/calcaire-coralien\\\/\",\"url\":\"https:\\\/\\\/nationalpark.ch\\\/fr\\\/flore-et-faune\\\/calcaire-coralien\\\/\",\"name\":\"Calcaire coralien - 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