{"id":385,"date":"2021-03-31T16:31:50","date_gmt":"2021-03-31T14:31:50","guid":{"rendered":"https:\/\/www.vulcania.com\/science\/?page_id=385"},"modified":"2023-03-22T10:05:33","modified_gmt":"2023-03-22T09:05:33","slug":"limagne","status":"publish","type":"page","link":"https:\/\/www.vulcania.com\/science\/auvergne\/volcans-dauvergne\/limagne\/","title":{"rendered":"Limagne"},"content":{"rendered":"

[vc_row el_class=\u00a0\u00bbbloc-titre\u00a0\u00bb][vc_column width=\u00a0\u00bb1\/12″][\/vc_column][vc_column width=\u00a0\u00bb10\/12″][vc_column_text]La\u00a0Limagne<\/strong>,\u00a0grand foss\u00e9 d\u2019effondrement<\/strong>, fut autrefois le lieu de nombreuses \u00e9ruptions, dont seules quelques traces subsistent aujourd\u2019hui. Pr\u00e8s de deux cents points d\u2019\u00e9missions sont r\u00e9pertori\u00e9s, mais l\u2019\u00e9rosion a effac\u00e9 bon nombre d\u2019\u00e9difices.<\/p>\n

Parmi ceux-ci, les\u00a0\u2018\u2018maars\u2019\u2019<\/strong>, ces crat\u00e8res d\u2019explosion brutalement poin\u00e7onn\u00e9s dans le sol, peuvent rapidement dispara\u00eetre, combl\u00e9s par les alluvions.<\/p>\n

Probablement ignor\u00e9 de la plupart de ses habitants, l\u2019un d\u2019eux se trouve en plein c\u0153ur de la ville de Clermont-Ferrand : ainsi la cath\u00e9drale Notre-Dame est-elle b\u00e2tie sur le rebord oriental d\u2019un vaste\u00a0crat\u00e8re d\u2019explosion<\/strong> de 1 500 m de diam\u00e8tre, form\u00e9 il y a 160 000 ans.<\/p>\n

Haut lieu du pays arverne, le plateau de Gergovie est principalement constitu\u00e9 par une coul\u00e9e de basalte<\/a><\/strong>\u00a0datant de 16 millions d\u2019ann\u00e9es. Sa position \u00ab perch\u00e9e \u00bb constitue une inversion de relief, la vall\u00e9e initiale encaissante, plus meuble, ayant \u00e9t\u00e9 aras\u00e9e par l\u2019\u00e9rosion.[\/vc_column_text][\/vc_column][vc_column width=\u00a0\u00bb1\/12″][\/vc_column][\/vc_row][vc_row][vc_column width=\u00a0\u00bb1\/12″][\/vc_column][vc_column width=\u00a0\u00bb10\/12″][vc_column_text]<\/p>\n

Les autres ensembles g\u00e9ologiques de l’Auvergne volcanique :<\/h3>\n

[\/vc_column_text][vc_basic_grid post_type=\u00a0\u00bbpage\u00a0\u00bb max_items=\u00a0\u00bb10″ element_width=\u00a0\u00bb3″ item=\u00a0\u00bb573″ grid_id=\u00a0\u00bbvc_gid:1679475909621-2eaac802-2fc1-9″ taxonomies=\u00a0\u00bb18″][\/vc_column][vc_column width=\u00a0\u00bb1\/12″][\/vc_column][\/vc_row][vc_row][vc_column]

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Exp\u00e9rimentez \u00e0 Vulcania<\/h4><\/span><\/span>\n<\/div>
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R\u00e9veil des G\u00e9ants d'Auvergne<\/h3>\n

Depuis environ 7000 ans, le volcanisme d'Auvergne semble en sommeil... Et si les volcans de la Cha\u00eene des Puys se r\u00e9veillaient ? Vivez en direct leur r\u00e9veil dans cette attraction dynamique !<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

En savoir plus sur \"R\u00e9veil des g\u00e9ants d'Auvergne\"<\/a><\/div><\/div><\/div><\/div>
<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>[\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"Exp\u00e9rimentez \u00e0 Vulcania R\u00e9veil des G\u00e9ants d'Auvergne Depuis environ 7000 ans, le volcanisme d'Auvergne semble en sommeil... Et si les volcans de la Cha\u00eene des Puys se r\u00e9veillaient ? Vivez en direct leur r\u00e9veil dans cette attraction dynamique ! En savoir plus sur \"R\u00e9veil des g\u00e9ants d'Auvergne\"","protected":false},"author":4,"featured_media":760,"parent":227,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"tags":[18],"acf":[],"yoast_head":"\nEn savoir plus sur la faille de Limagne avec Vulcania<\/title>\n<meta name=\"description\" content=\"Grand foss\u00e9 d'effondrement, la Limagne a connu de nombreuses \u00e9ruptions\u2026 D\u00e9couvrez cet espace m\u00e9connu de l'Auvergne avec Vulcania.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vulcania.com\/science\/auvergne\/volcans-dauvergne\/limagne\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"En savoir plus sur la faille de Limagne avec Vulcania\" \/>\n<meta property=\"og:description\" content=\"Grand foss\u00e9 d'effondrement, la Limagne a connu de nombreuses \u00e9ruptions\u2026 D\u00e9couvrez cet espace m\u00e9connu de l'Auvergne avec Vulcania.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.vulcania.com\/science\/auvergne\/volcans-dauvergne\/limagne\/\" \/>\n<meta property=\"og:site_name\" content=\"Vulcania Sciences\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ParcVulcania\" \/>\n<meta property=\"article:modified_time\" content=\"2023-03-22T09:05:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.vulcania.com\/science\/wp-content\/uploads\/2023\/02\/opengraph-limagne_1200x630.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"En savoir plus sur la faille de 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