{"id":135,"date":"2026-05-13T17:00:44","date_gmt":"2026-05-13T15:00:44","guid":{"rendered":"http:\/\/geologiedelozere.fr\/?p=135"},"modified":"2026-05-13T17:07:22","modified_gmt":"2026-05-13T15:07:22","slug":"decouvertes-geologiques-autour-de-la-plaine-de-montbel","status":"publish","type":"post","link":"http:\/\/geologiedelozere.fr\/index.php\/2026\/05\/13\/decouvertes-geologiques-autour-de-la-plaine-de-montbel\/","title":{"rendered":"D\u00e9couvertes g\u00e9ologiques autour de la plaine de Montbel &#8211; Samedi 23 mai 2026"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"724\" height=\"1024\" src=\"http:\/\/geologiedelozere.fr\/wp-content\/uploads\/2026\/05\/Fete-nature-APHPL-23-mai-2026-724x1024.jpg\" alt=\"\" class=\"wp-image-136\" srcset=\"http:\/\/geologiedelozere.fr\/wp-content\/uploads\/2026\/05\/Fete-nature-APHPL-23-mai-2026-724x1024.jpg 724w, http:\/\/geologiedelozere.fr\/wp-content\/uploads\/2026\/05\/Fete-nature-APHPL-23-mai-2026-212x300.jpg 212w, http:\/\/geologiedelozere.fr\/wp-content\/uploads\/2026\/05\/Fete-nature-APHPL-23-mai-2026-768x1087.jpg 768w, http:\/\/geologiedelozere.fr\/wp-content\/uploads\/2026\/05\/Fete-nature-APHPL-23-mai-2026-1085x1536.jpg 1085w, http:\/\/geologiedelozere.fr\/wp-content\/uploads\/2026\/05\/Fete-nature-APHPL-23-mai-2026.jpg 1190w\" sizes=\"auto, (max-width: 724px) 100vw, 724px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Samedi 23 mai<\/strong><strong>&nbsp;<\/strong><strong>2026&nbsp;<\/strong><strong>: une journ\u00e9e de d\u00e9couvertes g\u00e9ologiques,&nbsp;<\/strong><strong>historiques&nbsp;<\/strong><strong>et<\/strong><strong>&nbsp;naturalistes pour la f\u00eate de la nature&nbsp;!<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>P<\/strong><strong>our la&nbsp;<\/strong><strong>20\u00e8m<\/strong><strong>e \u00e9dition de&nbsp;<\/strong><strong>l<\/strong><strong>a F\u00eate de la nature,&nbsp;<\/strong><strong>l<\/strong><strong>&lsquo;<\/strong><strong>APHPL&nbsp;<\/strong><strong>(<\/strong><strong>association pal\u00e9ontologique des hauts plateaux du Languedoc<\/strong><strong>),&nbsp;<\/strong><strong>le Conservatoire d&rsquo;espaces naturels d&rsquo;Occitanie&nbsp;<\/strong><strong>et l\u2019association C<\/strong><strong>HILOE<\/strong><strong>&nbsp;<\/strong><strong>vous invitent<\/strong><strong>&nbsp;\u00e0&nbsp;<\/strong><strong>une nouvelle journ\u00e9e de d\u00e9couvertes g\u00e9ologiques,&nbsp;<\/strong><strong>historiques<\/strong><strong>&nbsp;<\/strong><strong>et&nbsp;<\/strong><strong>naturalistes&nbsp;<\/strong><strong>de la plaine de Montbel&nbsp;<\/strong><strong>jusqu\u2019<\/strong><strong>au Mazel d\u2019Allenc.&nbsp;<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>La plaine de Montbel pr\u00e9sente plusieurs particularit\u00e9s que nous \u00e9tudierons sur le terrain&nbsp;: en quoi est-ce un&nbsp;<\/strong><strong>C<\/strong><strong>ausse&nbsp;<\/strong><strong>tr\u00e8s original&nbsp;<\/strong><strong>? A quoi correspondent les Crozes, ces vastes d\u00e9pressions qui se remplissent d\u2019eau et se vidangent rapidement&nbsp;? O\u00f9 vont ces eaux&nbsp;?<\/strong><strong>&nbsp;<\/strong><strong>Pour r\u00e9pondre \u00e0 ces questions, nous irons jusqu\u2019aux sources du Mazel, en passant par le Causse de Larzalier-Belvezet.&nbsp;<\/strong><strong>Nous montrerons que ce secteur g\u00e9ographique est le point triple de partage des eaux entre Loire, Garonne et Rh\u00f4ne. Nous observerons les couches s\u00e9dimentaires \u00e0 la recherche de fossiles du Jurassique inf\u00e9rieur.&nbsp;<\/strong><strong>Cette sortie&nbsp;<\/strong><strong>sera l\u2019occasion<\/strong><strong>&nbsp;<\/strong><strong>de&nbsp;<\/strong><strong>d\u00e9couvrir&nbsp;<\/strong><strong>les particularit\u00e9s des<\/strong><strong>&nbsp;zones humides alcalines&nbsp;<\/strong><strong>et des pelouses calcaires<\/strong><strong>,&nbsp;<\/strong><strong>de r\u00e9v\u00e9ler<\/strong><strong><\/strong><strong>quelques<\/strong><strong>&nbsp;myst\u00e8res&nbsp;<\/strong><strong>des&nbsp;<\/strong><strong>mal nomm\u00e9s \u00ab&nbsp;badlands&nbsp;\u00bb&nbsp;<\/strong><strong>et peut-\u00eatre&nbsp;<\/strong><strong>m\u00eame&nbsp;<\/strong><strong>de partager&nbsp;<\/strong><strong>l\u2019<\/strong><strong>histoire&nbsp;<\/strong><strong>extraordinaire&nbsp;<\/strong><strong>du chemin de fer&nbsp;<\/strong><strong>!&nbsp;<\/strong><strong>U<\/strong><strong>ne journ\u00e9e d\u2019observations pour&nbsp;<\/strong><strong>prendre et&nbsp;<\/strong><strong>remonter le temps, comprendre&nbsp;<\/strong><strong>et partager&nbsp;<\/strong><strong>les enjeux de la pr\u00e9servation de la biodiversit\u00e9&nbsp;<\/strong><strong>et de la g\u00e9odiversit\u00e9<\/strong><strong>&nbsp;:&nbsp;<\/strong><strong>rejoignez-nous&nbsp;!<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Sortie&nbsp;gratuite,&nbsp;\u00e0 la journ\u00e9e&nbsp;(9h30-17h),&nbsp;parcours d\u2019environ 10km. Pr\u00e9voir pique-nique&nbsp;et&nbsp;chaussures de marche.<\/strong> <strong>Inscriptions&nbsp;indispensables&nbsp;avant le 20 mai&nbsp;(lieu de RDV pr\u00e9cis\u00e9 \u00e0 l\u2019inscription,&nbsp;organisation de navettes,&nbsp;nombre&nbsp;de participants limit\u00e9).<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Avec Anne REMOND (CEN Loz\u00e8re), Alain JACQUET (APHPL) et Claude MOLINIER (Chiloe)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><u>I<\/u><\/strong><strong><u><strong>nscriptions et renseignements :<\/strong><\/u><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Anne \/&nbsp;<\/strong><strong>CEN Occitanie<\/strong><strong>&nbsp;<\/strong><strong>&nbsp;:&nbsp;<\/strong><strong>06 12 30 27 58<\/strong><strong>&nbsp;<\/strong><strong>\/&nbsp;<\/strong><strong>anne.remond<\/strong><strong>@cen-occitanie.org<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Samedi 23 mai&nbsp;2026&nbsp;: une journ\u00e9e de d\u00e9couvertes g\u00e9ologiques,&nbsp;historiques&nbsp;et&nbsp;naturalistes pour la f\u00eate de la nature&nbsp;! Pour la&nbsp;20\u00e8me \u00e9dition de&nbsp;la F\u00eate de la nature,&nbsp;l&lsquo;APHPL&nbsp;(association pal\u00e9ontologique des hauts plateaux du Languedoc),&nbsp;le Conservatoire d&rsquo;espaces naturels d&rsquo;Occitanie&nbsp;et l\u2019association CHILOE&nbsp;vous invitent&nbsp;\u00e0&nbsp;une nouvelle journ\u00e9e de d\u00e9couvertes g\u00e9ologiques,&nbsp;historiques&nbsp;et&nbsp;naturalistes&nbsp;de la plaine de Montbel&nbsp;jusqu\u2019au Mazel d\u2019Allenc.&nbsp; La plaine de Montbel pr\u00e9sente plusieurs particularit\u00e9s que nous [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-135","post","type-post","status-publish","format-standard","hentry","category-non-classe"],"_links":{"self":[{"href":"http:\/\/geologiedelozere.fr\/index.php\/wp-json\/wp\/v2\/posts\/135","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/geologiedelozere.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/geologiedelozere.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/geologiedelozere.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/geologiedelozere.fr\/index.php\/wp-json\/wp\/v2\/comments?post=135"}],"version-history":[{"count":4,"href":"http:\/\/geologiedelozere.fr\/index.php\/wp-json\/wp\/v2\/posts\/135\/revisions"}],"predecessor-version":[{"id":147,"href":"http:\/\/geologiedelozere.fr\/index.php\/wp-json\/wp\/v2\/posts\/135\/revisions\/147"}],"wp:attachment":[{"href":"http:\/\/geologiedelozere.fr\/index.php\/wp-json\/wp\/v2\/media?parent=135"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/geologiedelozere.fr\/index.php\/wp-json\/wp\/v2\/categories?post=135"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/geologiedelozere.fr\/index.php\/wp-json\/wp\/v2\/tags?post=135"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}