{"id":4398,"date":"2026-09-08T18:31:49","date_gmt":"2026-09-08T16:31:49","guid":{"rendered":"https:\/\/corot.top\/eva\/?p=4398"},"modified":"2026-09-08T18:31:49","modified_gmt":"2026-09-08T16:31:49","slug":"ggeosciences-en-tgv-nice-paris-3-x","status":"publish","type":"post","link":"https:\/\/corot.top\/eva\/?p=4398","title":{"rendered":"Gg\u00e9osciences en TGV Nice Paris [3\/x]"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Faisons des g\u00e9osciences depuis le TGV Nice Paris [3\/x] \ud83d\ude82\u00a0\ud83c\udf0d<br>\u26f0\ufe0f Le Mont Coudon est une anomalie g\u00e9ologique \ud83d\udcf8 #1 : Un fond marin de 200 millions d&rsquo;ann\u00e9es pos\u00e9 sur une roche de 80 millions d&rsquo;ann\u00e9es.<br><br>Vers Toulon, le TGV passe au pied du Mont Coudon, une muraille de roche calcaire blanche qui culmine \u00e0 702 m\u00e8tres d&rsquo;altitude. Rappelez-vous le post pr\u00e9c\u00e9dent : ce calcaire s&rsquo;est form\u00e9 tout au fond de la mer. Alors, comment s&rsquo;est-il retrouv\u00e9 perch\u00e9 si haut et pos\u00e9 sur une roche plus jeune \u2753<br><br>Il y a un \u00ab\u00a0bug\u00a0\u00bb temporel. En toute logique, les roches les plus vieilles sont en bas, et les plus jeunes au-dessus. Ici, c&rsquo;est l&rsquo;inverse ! Le sommet de la montagne est compos\u00e9 de calcaire marin, qui repose sur une roche beaucoup plus jeune. L&rsquo;ordre naturel est invers\u00e9 !<br><br>Mais que s&rsquo;est-il pass\u00e9 ? \ud83d\udca5 C&rsquo;est le le grand carambolage :<br>Il y a 40 millions d&rsquo;ann\u00e9es, la plaque africaine remonte vers le nord et emboutit l&rsquo;Europe cr\u00e9ant les Alpes et le Mont Coudon. La cro\u00fbte terrestre va se plisser, et se casser. C&rsquo;est ce qu&rsquo;on appelle un chevauchement tectonique.<br>Ce gigantesque bloc de roche a gliss\u00e9, et est remont\u00e9 \u00e0 la surface, et est litt\u00e9ralement mont\u00e9 par-dessus les couches g\u00e9ologiques plus jeunes de la r\u00e9gion. Je vous ai fait un sch\u00e9ma. \ud83d\udcf8 #2<br><br>Photo prise depuis le train.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"904\" height=\"442\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783240880089.jpg\" alt=\"\" class=\"wp-image-4399\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783240880089.jpg 904w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783240880089-300x147.jpg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783240880089-767x375.jpg 767w\" sizes=\"auto, (max-width: 904px) 100vw, 904px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"845\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783240882303-1024x845.jpg\" alt=\"\" class=\"wp-image-4400\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783240882303-1024x845.jpg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783240882303-1536x1267.jpg 1536w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783240882303-767x633.jpg 767w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783240882303-300x247.jpg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783240882303.jpg 1862w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Faisons des g\u00e9osciences depuis le TGV Nice Paris [3\/x] \ud83d\ude82\u00a0\ud83c\udf0d\u26f0\ufe0f Le Mont Coudon est une anomalie g\u00e9ologique \ud83d\udcf8 #1 : Un fond marin de 200 millions d&rsquo;ann\u00e9es pos\u00e9 sur une roche de 80 millions d&rsquo;ann\u00e9es. Vers Toulon, le TGV passe au pied du Mont Coudon, une muraille de roche calcaire blanche qui culmine \u00e0 702 [&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-4398","post","type-post","status-publish","format-standard","hentry","category-divers"],"_links":{"self":[{"href":"https:\/\/corot.top\/eva\/index.php?rest_route=\/wp\/v2\/posts\/4398","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/corot.top\/eva\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/corot.top\/eva\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/corot.top\/eva\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/corot.top\/eva\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4398"}],"version-history":[{"count":1,"href":"https:\/\/corot.top\/eva\/index.php?rest_route=\/wp\/v2\/posts\/4398\/revisions"}],"predecessor-version":[{"id":4401,"href":"https:\/\/corot.top\/eva\/index.php?rest_route=\/wp\/v2\/posts\/4398\/revisions\/4401"}],"wp:attachment":[{"href":"https:\/\/corot.top\/eva\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4398"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/corot.top\/eva\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4398"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/corot.top\/eva\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4398"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}