{"id":1544,"date":"2015-02-14T20:08:08","date_gmt":"2015-02-14T20:08:08","guid":{"rendered":"http:\/\/nantes.apbg.org\/?p=1544"},"modified":"2025-09-23T16:09:10","modified_gmt":"2025-09-23T16:09:10","slug":"journee-geologique-a-penestin","status":"publish","type":"post","link":"https:\/\/nantes.apbg.fr\/index.php\/2015\/02\/14\/journee-geologique-a-penestin\/","title":{"rendered":"Journ\u00e9e g\u00e9ologique \u00e0 P\u00e9nestin"},"content":{"rendered":"\n<figure class=\"wp-block-image alignright\"><img loading=\"lazy\" decoding=\"async\" width=\"225\" height=\"300\" src=\"https:\/\/nantes.apbg.fr\/wp-content\/uploads\/2015\/02\/DSCN2500petit-1-225x300.jpg\" alt=\"\" class=\"wp-image-6833\" srcset=\"https:\/\/nantes.apbg.fr\/wp-content\/uploads\/2015\/02\/DSCN2500petit-1-225x300.jpg 225w, https:\/\/nantes.apbg.fr\/wp-content\/uploads\/2015\/02\/DSCN2500petit-1.jpg 650w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Le samedi 30 mai 2015<\/strong>, sous la conduite de <em><strong>Fabrice Redois<\/strong><\/em>,&nbsp; ma\u00eetre de conf\u00e9rence \u00e0 l&rsquo;Universit\u00e9 d&rsquo;Angers, a eu lieu une journ\u00e9e sur le terrain pour d\u00e9couvrir la g\u00e9ologie de P\u00e9nestin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #800000;\"><strong>Au programme :<\/strong><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Etude g\u00e9omorphologique de la falaise de la plage de la mine d&rsquo;or<\/strong> sur la commune de P\u00e9nestin qui est un bon exemple pour illustrer la notion d&rsquo;\u00e9rosion du programme de 5\u00e8me et de terminale.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Observation d\u2019une coupe continue\u00a0\u00a0d\u2019environ 2 km de long dans une s\u00e9rie s\u00e9dimentaire d\u2019\u00e2ge quaternaire (dat\u00e9e entre 300 000 et 700 000 ans) reposant sur un socle compos\u00e9\u00a0de micaschistes\u00a0plus ou moins alt\u00e9r\u00e9s.<\/li>\n\n\n\n<li>Processus d&rsquo;alt\u00e9ration en relation avec les modifications climatiques.<\/li>\n\n\n\n<li>Etude des d\u00e9p\u00f4ts s\u00e9dimentaires permettant de discuter l&rsquo;existence d&rsquo;une pal\u00e9o-Loire, interpr\u00e9tation des figures s\u00e9dimentaires pour d\u00e9terminer les inversions du sens du courant.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Quelques photos de la journ\u00e9e :<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"446\" data-id=\"6835\" src=\"https:\/\/nantes.apbg.fr\/wp-content\/uploads\/2015\/02\/DSCN2506petit-1.jpg\" alt=\"\" class=\"wp-image-6835\" srcset=\"https:\/\/nantes.apbg.fr\/wp-content\/uploads\/2015\/02\/DSCN2506petit-1.jpg 650w, https:\/\/nantes.apbg.fr\/wp-content\/uploads\/2015\/02\/DSCN2506petit-1-300x206.jpg 300w, https:\/\/nantes.apbg.fr\/wp-content\/uploads\/2015\/02\/DSCN2506petit-1-130x90.jpg 130w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"780\" data-id=\"6834\" src=\"https:\/\/nantes.apbg.fr\/wp-content\/uploads\/2015\/02\/DSCN2504petit-1.jpg\" alt=\"\" class=\"wp-image-6834\" srcset=\"https:\/\/nantes.apbg.fr\/wp-content\/uploads\/2015\/02\/DSCN2504petit-1.jpg 650w, https:\/\/nantes.apbg.fr\/wp-content\/uploads\/2015\/02\/DSCN2504petit-1-250x300.jpg 250w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"488\" data-id=\"6832\" src=\"https:\/\/nantes.apbg.fr\/wp-content\/uploads\/2015\/02\/DSCN2474petit-1.jpg\" alt=\"\" class=\"wp-image-6832\" srcset=\"https:\/\/nantes.apbg.fr\/wp-content\/uploads\/2015\/02\/DSCN2474petit-1.jpg 650w, https:\/\/nantes.apbg.fr\/wp-content\/uploads\/2015\/02\/DSCN2474petit-1-300x225.jpg 300w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/figure>\n<\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Le samedi 30 mai 2015, sous la conduite de Fabrice Redois,&nbsp; ma\u00eetre de conf\u00e9rence \u00e0 l&rsquo;Universit\u00e9 d&rsquo;Angers, a eu lieu<\/p>\n","protected":false},"author":1,"featured_media":6835,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[2,6],"tags":[],"class_list":["post-1544","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-activites-de-la-regionale","category-faites"],"_links":{"self":[{"href":"https:\/\/nantes.apbg.fr\/index.php\/wp-json\/wp\/v2\/posts\/1544","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nantes.apbg.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nantes.apbg.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nantes.apbg.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nantes.apbg.fr\/index.php\/wp-json\/wp\/v2\/comments?post=1544"}],"version-history":[{"count":2,"href":"https:\/\/nantes.apbg.fr\/index.php\/wp-json\/wp\/v2\/posts\/1544\/revisions"}],"predecessor-version":[{"id":6854,"href":"https:\/\/nantes.apbg.fr\/index.php\/wp-json\/wp\/v2\/posts\/1544\/revisions\/6854"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nantes.apbg.fr\/index.php\/wp-json\/wp\/v2\/media\/6835"}],"wp:attachment":[{"href":"https:\/\/nantes.apbg.fr\/index.php\/wp-json\/wp\/v2\/media?parent=1544"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nantes.apbg.fr\/index.php\/wp-json\/wp\/v2\/categories?post=1544"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nantes.apbg.fr\/index.php\/wp-json\/wp\/v2\/tags?post=1544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}