{"id":1180,"date":"2016-03-13T20:09:48","date_gmt":"2016-03-13T19:09:48","guid":{"rendered":"http:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/?page_id=1180"},"modified":"2016-11-30T19:55:37","modified_gmt":"2016-11-30T18:55:37","slug":"nature-de-la-croute-terrestre-et-du-manteau","status":"publish","type":"page","link":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/ressources\/pedagogiques\/ressources-academiques-diverses\/thematique-la-planete-et-les-enjeux-contemporains\/volcanisme-dans-la-chaine-des-puy\/nature-de-la-croute-terrestre-et-du-manteau\/","title":{"rendered":"A finir &#8211; Nature de la cro\u00fbte terrestre et du manteau"},"content":{"rendered":"<div><a>Suite<\/a><\/div>\n<h3><\/h3>\n<p class=\"contenu\"><b>Constatation.<\/b> L&rsquo;\u00e9tude d&rsquo;affleurements g\u00e9ologiques permet de d\u00e9terminer la nature des roches qui composent la partie la plus superficielle de la Terre. La r\u00e9alisation de forages (exemple: celui r\u00e9alis\u00e9 dans la p\u00e9ninsule de Kola au nord de la Russie jusqu&rsquo;\u00e0 12 km de profondeur) permet de conna\u00eetre directement la nature des roches situ\u00e9es plus en profondeur. Cependant, cet apport de connaissances reste modeste puisque la Terre pr\u00e9sente un rayon \u00e9quatorial de 6378 km.<\/p>\n<p class=\"contenu\"><b>Probl\u00e9matique scientifique.<\/b> Quelle est la nature des roches situ\u00e9es \u00e0 de plus grandes profondeurs (cro\u00fbte terrestre et manteau) ?<\/p>\n<p class=\"contenu\"><b>Objets d&rsquo;\u00e9tude.<\/b>\u00a0 Enclaves contenues dans des roches volcaniques.<\/p>\n<p class=\"contenu\"><b><a>Lieu d&rsquo;\u00e9tude<\/a>.<\/b> Le <a href=\"http:\/\/crdp.ac-bordeaux.fr\/sciences\/reforme\/svt\/ressources\/volcanisme\/volc06.asp\">puy Gonnard<\/a>.<\/p>\n<p class=\"contenu\"><b>Travail de terrain.<\/b> Ramasser les roches volcaniques qui contiennent des enclaves.<\/p>\n<p class=\"contenu\"><b>Acc\u00e8s.<\/b> Cf. <a href=\"http:\/\/crdp.ac-bordeaux.fr\/sciences\/reforme\/svt\/ressources\/volcanisme\/volc05.asp\">excursion n\u00b0 1<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Suite Constatation. L&rsquo;\u00e9tude d&rsquo;affleurements g\u00e9ologiques permet de d\u00e9terminer la nature des roches qui composent la partie la plus superficielle de la Terre. La r\u00e9alisation de forages (exemple: celui r\u00e9alis\u00e9 dans la p\u00e9ninsule de Kola au nord de la Russie jusqu&rsquo;\u00e0 12 km de profondeur) permet de conna\u00eetre directement la nature des roches situ\u00e9es plus en &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/ressources\/pedagogiques\/ressources-academiques-diverses\/thematique-la-planete-et-les-enjeux-contemporains\/volcanisme-dans-la-chaine-des-puy\/nature-de-la-croute-terrestre-et-du-manteau\/\">Lire la suite<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"parent":922,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1180","page","type-page","status-publish","hentry","nodate","item-wrap"],"_links":{"self":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/wp-json\/wp\/v2\/pages\/1180","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/wp-json\/wp\/v2\/comments?post=1180"}],"version-history":[{"count":2,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/wp-json\/wp\/v2\/pages\/1180\/revisions"}],"predecessor-version":[{"id":1564,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/wp-json\/wp\/v2\/pages\/1180\/revisions\/1564"}],"up":[{"embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/wp-json\/wp\/v2\/pages\/922"}],"wp:attachment":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/wp-json\/wp\/v2\/media?parent=1180"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}