{"id":30555,"date":"2023-03-09T12:46:09","date_gmt":"2023-03-09T10:46:09","guid":{"rendered":"https:\/\/www.visitgorliz.eus\/patrimonio\/dunas-petrificadas\/"},"modified":"2025-01-25T19:10:19","modified_gmt":"2025-01-25T17:10:19","slug":"dunes-petrifiees","status":"publish","type":"patrimonio","link":"https:\/\/www.visitgorliz.eus\/fr\/patrimoine\/dunes-petrifiees\/","title":{"rendered":"DUNES P\u00c9TRIFI\u00c9ES"},"content":{"rendered":"\n<div class=\"wp-block-group is-layout-constrained wp-container-core-group-is-layout-680c8c4f wp-block-group-is-layout-constrained\" style=\"padding-top:1rem;padding-right:1rem;padding-bottom:3rem;padding-left:1rem\">\n<div class=\"wp-block-genesis-blocks-gb-columns gb-layout-columns-2 gb-2-col-wideright gb-columns-center\" style=\"margin-top:40px;margin-bottom:70px\"><div class=\"gb-layout-column-wrap gb-block-layout-column-gap-2 gb-is-responsive-column\" style=\"max-width:1450px\">\n<div class=\"wp-block-genesis-blocks-gb-column gb-block-layout-column gb-is-vertically-aligned-center\"><div class=\"gb-block-layout-column-inner\">\n<p>\u00c0 c\u00f4t\u00e9 de l\u2019h\u00f4pital de Gorliz, \u00e0 Astondo, se trouvent les dunes p\u00e9trifi\u00e9es. Elles ont \u00e9t\u00e9 class\u00e9es comme Point d\u2019Int\u00e9r\u00eat G\u00e9ologique par la D\u00e9putation de Biscaye en 1990 et elles sont \u00e9galement une Zone de Conservation Sp\u00e9ciale selon les \u00e9valuations europ\u00e9ennes. Ces dunes sont uniques dans la C\u00f4te Basque.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-column gb-block-layout-column\"><div class=\"gb-block-layout-column-inner\">\n<figure class=\"wp-block-gallery has-nested-images columns-3 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-thumbnail\"><img decoding=\"async\" width=\"150\" height=\"150\" data-id=\"25703\" data-src=\"https:\/\/www.visitgorliz.eus\/wp-content\/uploads\/2023\/03\/Dunak-copia-300x193-1-150x150.jpg\" alt=\"Dunes p\u00e9trifi\u00e9es\" class=\"wp-image-25703 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 150px; --smush-placeholder-aspect-ratio: 150\/150;\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail\"><img decoding=\"async\" width=\"150\" height=\"150\" data-id=\"25707\" data-src=\"https:\/\/www.visitgorliz.eus\/wp-content\/uploads\/2023\/03\/DunaRecorte-211x300-1-150x150.jpg\" alt=\"Dunes p\u00e9trifi\u00e9es\" class=\"wp-image-25707 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 150px; --smush-placeholder-aspect-ratio: 150\/150;\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail\"><img decoding=\"async\" width=\"150\" height=\"150\" data-id=\"25711\" data-src=\"https:\/\/www.visitgorliz.eus\/wp-content\/uploads\/2023\/03\/Dunas-petrificadas-dunas-gorliz-2-300x225-1-150x150.jpg\" alt=\"Dunes p\u00e9trifi\u00e9es\" class=\"wp-image-25711 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 150px; --smush-placeholder-aspect-ratio: 150\/150;\" \/><\/figure>\n<\/figure>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-primary-color has-alpha-channel-opacity has-primary-background-color has-background is-style-default\"\/>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-columns gb-layout-columns-1 one-column\"><div class=\"gb-layout-column-wrap gb-block-layout-column-gap-2 gb-is-responsive-column\">\n<div class=\"wp-block-genesis-blocks-gb-column gb-block-layout-column\"><div class=\"gb-block-layout-column-inner\" style=\"text-align:center\">\n<iframe data-src=\"https:\/\/www.google.com\/maps\/embed?pb=!1m18!1m12!1m3!1d6603.802069578305!2d-2.9486606543174996!3d43.41620019944277!2m3!1f0!2f0!3f0!3m2!1i1024!2i768!4f13.1!3m3!1m2!1s0xd4e5d30f180c105%3A0xdbb7285da9a02f26!2sDuna%20Harriztatuak!5e1!3m2!1ses!2ses!4v1715006158300!5m2!1ses!2ses\" width=\"800\" height=\"450\" style=\"border:0;\" allowfullscreen=\"\" referrerpolicy=\"no-referrer-when-downgrade\" title=\"Comment se rendre dunes p\u00e9trifi\u00e9es de Gorliz\" src=\"about:blank\" class=\"lazyload\" data-load-mode=\"0\"><\/iframe>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-container-core-group-is-layout-79c1f68e wp-block-group-is-layout-constrained\" style=\"padding-top:30px;padding-right:0;padding-left:0\">\n<h2 class=\"wp-block-heading\"><strong>Qu\u2019est-ce que ce sont les dunes p\u00e9trifi\u00e9es ?<\/strong><\/h2>\n\n\n\n<p>Les dunes p\u00e9trifi\u00e9es de Gorliz sont des accumulations de sable provenant du vent qui se sont s\u00e9diment\u00e9es et s\u00e9ch\u00e9es. Elles deviennent solides lorsque l\u2019humidit\u00e9 s\u2019\u00e9vapore et, par le poids, le sable se compacte en cr\u00e9ant diff\u00e9rentes couches. C\u2019est ainsi que se forme le gr\u00e8s. Les diff\u00e9rentes couches peuvent \u00eatre en position horizontale et faire des formes curieuses par l\u2019action du vent.<\/p>\n\n\n\n<p>Quant \u00e0 la couleur, ils ont une couleur tr\u00e8s similaire \u00e0 celle du sable de la plage, car c\u2019est leur origine.<\/p>\n\n\n\n<p>D\u2019un autre c\u00f4t\u00e9, sa composition est assez vari\u00e9e. Des fossiles vieux de 6000 ans ont \u00e9t\u00e9 d\u00e9couverts dans certains niveaux de ces formations. C\u2019est pourquoi on estime que les dunes ont environ 6000 ans. Ces fossiles sont des coquilles et des carapaces de petits \u00eatres vivants enterr\u00e9s sous les couches de sable. En outre, la formation n\u2019est pas du tout homog\u00e8ne. Dans certaines parties, elle est tr\u00e8s poreuse et c\u2019est pour cette raison que l\u2019eau s\u2019est filtr\u00e9 pendant des si\u00e8cles \u00e0 travers ces dunes jusqu\u2019\u00e0 la cr\u00e9ation d\u2019un aquif\u00e8re dont l\u2019eau est aujourd\u2019hui recueillie par le&nbsp;<a href=\"https:\/\/www.visitgorliz.eus\/fr\/patrimoine\/sanatorium-marin\/\">Sanatorium de Gorliz<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Guide vid\u00e9o<\/strong><\/h2>\n\n\n\n<p>D\u00e9couvrez les dunes \u00e0 travers cette vid\u00e9o.<\/p>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-columns gb-layout-columns-2 gb-2-col-equal gb-columns-center\" style=\"margin-top:40px;margin-bottom:70px\"><div class=\"gb-layout-column-wrap gb-block-layout-column-gap-2 gb-is-responsive-column\" style=\"max-width:1450px\">\n<div class=\"wp-block-genesis-blocks-gb-column gb-block-layout-column gb-is-vertically-aligned-top\"><div class=\"gb-block-layout-column-inner\">\n<figure class=\"wp-block-embed is-type-rich is-provider-prise-en-charge-des-contenus-embarqu-s wp-block-embed-prise-en-charge-des-contenus-embarqu-s wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Dunes p\u00e9trifi\u00e9es de Gorliz\" width=\"500\" height=\"281\" data-src=\"https:\/\/www.youtube.com\/embed\/yg8_hexQLGQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen src=\"about:blank\" class=\"lazyload\" data-load-mode=\"0\"><\/iframe>\n<\/div><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-column gb-block-layout-column gb-is-vertically-aligned-center\"><div class=\"gb-block-layout-column-inner\" style=\"margin-top:20px\">\n<iframe id='audio_41609911' frameborder='0' allowfullscreen='' scrolling='no' height='300' style='border:1px solid #EEE; box-sizing:border-box; width:100%;' data-src='https:\/\/www.ivoox.com\/player_ej_41612283_4_1.html?c1=ff6600' title=\"Comment se rendre dunes p\u00e9trifi\u00e9es de Gorliz\" src=\"about:blank\" class=\"lazyload\" data-load-mode=\"0\"><\/iframe>\n<\/div><\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Transcription&nbsp;vid\u00e9o&nbsp;et&nbsp;audio<\/strong><\/p>\n\n\n\n<p>A c\u00f4t\u00e9 de l\u2019h\u00f4pital, se trouve un de lieux de plus haut int\u00e9r\u00eat g\u00e9ologique et naturel de la corniche Cantabrique: les dunes p\u00e9trifi\u00e9es.<\/p>\n\n\n\n<p>Declar\u00e9e zone sp\u00e9ciale de conservation par l\u2019Europe, cettes dunes sont r\u00e9sultat des milliers d\u2019ann\u00e9es d\u2019accumulations de sable s\u00e9diment\u00e9e et qui a \u00e9t\u00e9 ciment\u00e9 avec le temps.<\/p>\n\n\n\n<p>Selon la composition des diff\u00e9rentes strates, elles sont class\u00e9es en trois grandes franges. L\u2019une d\u2019elles est compos\u00e9e par des coquilles de plus de 6000 ans.<\/p>\n\n\n\n<p>La porosit\u00e9 de certaines couches a facilit\u00e9 la filtration de l\u2019eau pendant des ann\u00e9es, cr\u00e9ant un aquif\u00e8re souterrain dont l\u2019h\u00f4pital de Gorliz est toujours aliment\u00e9.<\/p>\n<\/div>\n","protected":false},"featured_media":28597,"template":"","meta":{"footnotes":""},"class_list":["post-30555","patrimonio","type-patrimonio","status-publish","has-post-thumbnail","hentry"],"featured_image":{"thumbnail":["https:\/\/www.visitgorliz.eus\/wp-content\/uploads\/2023\/03\/dunas-petrificadas-gorliz-1-150x150.jpg",150,150,true],"medium":["https:\/\/www.visitgorliz.eus\/wp-content\/uploads\/2023\/03\/dunas-petrificadas-gorliz-1-300x180.jpg",300,180,true],"medium_large":["https:\/\/www.visitgorliz.eus\/wp-content\/uploads\/2023\/03\/dunas-petrificadas-gorliz-1.jpg",500,300,false],"large":["https:\/\/www.visitgorliz.eus\/wp-content\/uploads\/2023\/03\/dunas-petrificadas-gorliz-1.jpg",500,300,false]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dunes p\u00e9trifi\u00e9es \u00e0 c\u00f4t\u00e9 de la plage de Gorliz<\/title>\n<meta name=\"description\" content=\"Si la g\u00e9ologie vous int\u00e9resse, venez d\u00e9couvrir les dunes p\u00e9trifi\u00e9es de Gorliz. 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