{"id":19962,"date":"2023-10-08T19:36:59","date_gmt":"2023-10-08T19:36:59","guid":{"rendered":"https:\/\/www.africa-press.net\/madagascar\/politique\/le-huitieme-continent-perdu-zealandia-enfin-cartographie"},"modified":"2023-10-08T21:38:48","modified_gmt":"2023-10-08T21:38:48","slug":"le-huitieme-continent-perdu-zealandia-enfin-cartographie","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/le-huitieme-continent-perdu-zealandia-enfin-cartographie","title":{"rendered":"Le huiti\u00e8me continent perdu, Zealandia, enfin cartographi\u00e9 !"},"content":{"rendered":"

Africa-Press – Madagascar. <\/strong><\/span>Le voile est enfin leve\u0301 sur le huitie\u0300me continent perdu, Zealandia. Bien loin du mythe de l\u2019Atlantide popularise\u0301 par Platon, ce continent-la\u0300 a bel et bien existe\u0301. Pourtant, on manquait, jusque-la\u0300, d\u2019une connaissance marine et terrestre pre\u0301cise de cette terre. Aujourd\u2019hui, la quasi-totalite\u0301 de ses 4,9 millions de kilome\u0300tres carre\u0301s sont immerge\u0301s, exception faite de la Nouvelle-Ze\u0301lande, la Nouvelle-Cale\u0301donie et les i\u0302les alentour.<\/p>\n

Sa cartographie comple\u0300te relevait donc du morceau de bravoure, mais s\u2019est finalement acheve\u0301e, ont annonce\u0301 des chercheurs dans un article publie\u0301 dans la revue de l\u2019American Geophysical Union (AGU) le 12 septembre dernier.<\/p>\n

Pour arriver a\u0300 un tel re\u0301sultat, l\u2019e\u0301quipe de l\u2019institut New Zealand\u2019s GNS Science a re\u0301colte\u0301 diffe\u0301rents types de roches date\u0301s de diffe\u0301rentes e\u0301poques (gre\u0300s du Cre\u0301tace\u0301 tardif, mudstones de l\u2019Eoce\u0300ne, roches plutoniques du Cre\u0301tace\u0301 infe\u0301rieur…).<\/p>\n

L\u2019analyse de ces e\u0301chantillons a apporte\u0301 une mine d\u2019informations sur la composition ge\u0301ologique du nord du continent \u2014 la partie sud e\u0301tant de\u0301ja\u0300 connue \u2014 et ses anomalies ge\u0301ologiques, permettant ainsi d\u2019achever la cartographie comple\u0300te de Zealandia avant la plonge\u0301e de 95 % de ses terres dans le Pacifique.<\/p>\n

Pour plus d’informations et d’analyses sur la Madagascar<\/a>, suivez Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Africa-Press – Madagascar. Le voile est enfin leve\u0301 sur le huitie\u0300me continent perdu, Zealandia. Bien loin du mythe de l\u2019Atlantide popularise\u0301 par Platon, ce continent-la\u0300 a bel et bien existe\u0301. Pourtant, on manquait, jusque-la\u0300, d\u2019une connaissance marine et terrestre pre\u0301cise de cette terre. Aujourd\u2019hui, la quasi-totalite\u0301 de ses 4,9 millions de kilome\u0300tres carre\u0301s sont immerge\u0301s, […]<\/p>\n","protected":false},"author":82,"featured_media":19961,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[36,50,49],"class_list":["post-19962","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-africa-press","tag-africa-press-madagascar","tag-madagascar"],"yoast_head":"\nLe huiti\u00e8me continent perdu, Zealandia, enfin cartographi\u00e9 ! - Madagascar<\/title>\n<meta name=\"description\" content=\"Le voile est enfin leve\u0301 sur le huitie\u0300me continent perdu, Zealandia. 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