{"id":2288,"date":"2024-12-20T14:25:34","date_gmt":"2024-12-20T14:25:34","guid":{"rendered":"https:\/\/geoparktransmanche.org\/apprentissage__trashed\/paleoenvironnements\/"},"modified":"2026-02-11T10:24:26","modified_gmt":"2026-02-11T10:24:26","slug":"paleoenvironnements","status":"publish","type":"page","link":"https:\/\/geoparktransmanche.org\/fr\/pedagogie\/paleoenvironnements\/","title":{"rendered":"Pal\u00e9oenvironnements"},"content":{"rendered":"<p>En \u00e9tudiant les roches et les fossiles qu&rsquo;elles renferment, les g\u00e9ologues peuvent reconstituer la vie dans les environnements o\u00f9 ces roches se sont form\u00e9es. \u00c0 partir de ces d\u00e9couvertes, les pal\u00e9oenvironnement nous permettent d\u2019imaginer \u00e0 quoi ressemblait le Geopark il y a des millions d&rsquo;ann\u00e9es ! Ces pal\u00e9oenvironnements ont \u00e9t\u00e9 r\u00e9alis\u00e9es dans le cadre de la s\u00e9rie G\u00e9od\u00e9O.<\/p>\n<p>G\u00e9od\u00e9O fait partie du Plan d\u2019Action G\u00e9odiversit\u00e9 de la r\u00e9gion Hauts-de-France, pilot\u00e9 conjointement par le Conservatoire d\u2019Espaces Naturels des Hauts-de-France et la DREAL Hauts-de-France. Cette collection, en constante \u00e9volution, s\u2019adresse aussi bien aux passionn\u00e9s de g\u00e9ologie qu\u2019\u00e0 tous ceux qui souhaitent comprendre la formation de nos paysages et en apprendre davantage sur notre histoire.<\/p>\n<p>Remontez dans le temps gr\u00e2ce \u00e0 ces reconstitutions !<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4865 alignleft\" src=\"https:\/\/geoparktransmanche.org\/wp-content\/uploads\/2025\/07\/montage_fresques-300x212.jpg\" alt=\"Montage Fresques\" width=\"521\" height=\"368\" srcset=\"https:\/\/geoparktransmanche.org\/wp-content\/uploads\/2025\/07\/montage_fresques-300x212.jpg 300w, https:\/\/geoparktransmanche.org\/wp-content\/uploads\/2025\/07\/montage_fresques-768x542.jpg 768w, https:\/\/geoparktransmanche.org\/wp-content\/uploads\/2025\/07\/montage_fresques-640x452.jpg 640w, https:\/\/geoparktransmanche.org\/wp-content\/uploads\/2025\/07\/montage_fresques.jpg 850w\" sizes=\"(max-width: 521px) 100vw, 521px\" \/><\/p>\n<p>Il y a <strong>380 millions d&rsquo;ann\u00e9es, au D\u00e9vonien moyen<\/strong>, notre r\u00e9gion se trouvait sous le tropique du Capricorne, baign\u00e9e par une mer foisonnante de vie et par des r\u00e9cifs florissants.<\/p>\n<p>\u00c0 la <strong>fin du Carbonif\u00e8re, il y a 310 millions d\u2019ann\u00e9es<\/strong>, une for\u00eat luxuriante habit\u00e9e par des insectes g\u00e9ants et bord\u00e9e d\u2019une cha\u00eene de montagnes comparable \u00e0 l\u2019Himalaya recouvrait notre terre !<\/p>\n<p>Au <strong>d\u00e9but du Trias, il y a 250 millions d\u2019ann\u00e9es<\/strong>, la cha\u00eene de montagnes Hercynienne, form\u00e9e au cours du Carbonif\u00e8re, a \u00e9t\u00e9 progressivement \u00e9rod\u00e9e par des rivi\u00e8res serpentant \u00e0 travers les for\u00eats de Voltzia.<\/p>\n<p>\u00c0 la <strong>fin du Cr\u00e9tac\u00e9<\/strong><strong>, il y a 92 millions d\u2019ann\u00e9es<\/strong>, la mer a submerg\u00e9 la r\u00e9gion et des algues microscopiques se sont accumul\u00e9es au fil des si\u00e8cles pour former des centaines de m\u00e8tres de craie.<\/p>\n<p>Au <strong>Quaternaire, il y a 2,5 millions d\u2019ann\u00e9es<\/strong>, le climat oscillait entre des p\u00e9riodes froides (glaciaires) et des p\u00e9riodes plus chaudes (interglaciaires). Au cours de ces transitions, les paysages alternent entre steppes et for\u00eats, et la faune va du mammouth laineux \u00e0 l\u2019hippopotame !<\/p>\n<h2>T\u00e9l\u00e9chargez les outils G\u00e9od\u00e9o ici : <a href=\"https:\/\/framaforms.org\/telechargement-de-geodeo-1741781629\">T\u00e9l\u00e9chargement de G\u00e9od\u00e9O | Framaforms.org<\/a><\/h2>\n<h2>Envie d&rsquo;en d\u00e9couvrir plus sur G\u00e9od\u00e9O et le CEN ? Rendez-vous ici : <a href=\"https:\/\/www.cen-hautsdefrance.org\/projets-en-cen\/geodeo#5\">G\u00e9od\u00e9O | Conservatoire d&rsquo;espaces naturels des Hauts-de-France<\/a><\/h2>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span data-teams=\"true\">\u00a9L&rsquo;atelier monde\/CEN HDF\/DREAL HDF<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2218\" src=\"https:\/\/geoparktransmanche.org\/wp-content\/uploads\/2024\/12\/GeoDeoFundingLogos-300x291.jpg\" alt=\"GeoDeoFundingLogos\" width=\"743\" height=\"721\" srcset=\"https:\/\/geoparktransmanche.org\/wp-content\/uploads\/2024\/12\/GeoDeoFundingLogos-300x291.jpg 300w, https:\/\/geoparktransmanche.org\/wp-content\/uploads\/2024\/12\/GeoDeoFundingLogos.jpg 594w\" sizes=\"(max-width: 743px) 100vw, 743px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>En \u00e9tudiant les roches et les fossiles qu&rsquo;elles renferment, les g\u00e9ologues peuvent reconstituer la vie dans les environnements o\u00f9 ces roches se sont form\u00e9es. \u00c0 partir de ces d\u00e9couvertes, les&#8230;<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":2207,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-2288","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pal\u00e9oenvironnements | Geopark Transmanche<\/title>\n<meta name=\"description\" content=\"%\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/geoparktransmanche.org\/fr\/pedagogie\/paleoenvironnements\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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