{"id":547,"date":"2026-09-27T12:09:52","date_gmt":"2026-09-27T10:09:52","guid":{"rendered":"https:\/\/rennes.apbg.fr\/?p=547"},"modified":"2026-09-27T12:09:52","modified_gmt":"2026-09-27T10:09:52","slug":"we-des-12-et-13-septembre-2026-ressources-geologiques-locales-entre-rennes-et-redon","status":"publish","type":"post","link":"https:\/\/rennes.apbg.fr\/?p=547","title":{"rendered":"WE des 12 et 13 septembre 2026 : ressources g\u00e9ologiques locales entre Rennes et Redon"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Une belle journ\u00e9e de retrouvailles g\u00e9ologiques pr\u00e8s de Rennes pour les APGistes des r\u00e9gionales de Nantes et de Rennes afin de d\u00e9couvrir les formations caract\u00e9ristiques de la Bretagne centrale et de rechercher par la m\u00eame occasion les indices de l\u2019\u00e9tape de riftitng du cycle cadomien.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Apr\u00e8s une observation de la diversit\u00e9 des roches utilis\u00e9es dans les constructions des villages de St Malo de Phily, Pl\u00e9ch\u00e2tel et Pont-R\u00e9an, recherche sur le terrain des sites naturels d\u2019affleurement ou de carri\u00e8res. Une bonne occasion de remonter le temps jusqu\u2019au Briov\u00e9rien dont les formations (alternance de schistes et de gr\u00e8s, poudingue de Gourin) sont en discordance avec les terrains de l\u2019Ordovicien (poudingue de Montfort, schistes rouges de Pont-R\u00e9an et gr\u00e8s armoricains). Et pour clore cette journ\u00e9e, quelle belle discordance au niveau de la carri\u00e8re des Landes&nbsp;! Merci \u00e0 V\u00e9ro, FDJ et Jean-Louis pour l\u2019animation de ce premier WE g\u00e9ologique de l\u2019ann\u00e9e scolaire.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une belle journ\u00e9e de retrouvailles g\u00e9ologiques pr\u00e8s de Rennes pour les APGistes des r\u00e9gionales de Nantes et de Rennes afin<\/p>\n","protected":false},"author":1,"featured_media":548,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[1],"tags":[],"class_list":["post-547","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classe"],"_links":{"self":[{"href":"https:\/\/rennes.apbg.fr\/index.php?rest_route=\/wp\/v2\/posts\/547","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rennes.apbg.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rennes.apbg.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rennes.apbg.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rennes.apbg.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=547"}],"version-history":[{"count":1,"href":"https:\/\/rennes.apbg.fr\/index.php?rest_route=\/wp\/v2\/posts\/547\/revisions"}],"predecessor-version":[{"id":549,"href":"https:\/\/rennes.apbg.fr\/index.php?rest_route=\/wp\/v2\/posts\/547\/revisions\/549"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rennes.apbg.fr\/index.php?rest_route=\/wp\/v2\/media\/548"}],"wp:attachment":[{"href":"https:\/\/rennes.apbg.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=547"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rennes.apbg.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=547"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rennes.apbg.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}