![\"Bardintzeff.68.La_Garrinada\"](\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2015\/12\/Bardintzeff.68.La_Garrinada-450x337.jpg\")
<\/a><\/p>\nLe c\u00f4ne volcanique de la Garrinada veille sur la ville d\u2019Olot (\u00a9 J.M. Bardintzeff).<\/p>\n
<\/p>\n
La zone volcanique La Garrotxa, constitu\u00e9e d’une quarantaine de c\u00f4nes, est dat\u00e9e de l’\u00e8re Quaternaire, avec des \u00e9ruptions entre 700 000 et 9 000 ans. Ces c\u00f4nes mesurent de quelques dizaines de m\u00e8tres \u00e0 presque 200 m\u00e8tres de hauteur. Ils se sont form\u00e9s selon un dynamisme \u00e9ruptif explosif strombolien (projection et accumulation de bombes volcaniques), parfois surtseyen (= hydrovolcanisme, le contact eau-magma augmente alors l’explosivit\u00e9 de l’\u00e9ruption car l’eau se transforme en vapeur). Ils pr\u00e9sentent un crat\u00e8re sommital circulaire, parfois \u00e9gueul\u00e9.<\/p>\n
Cette zone est prot\u00e9g\u00e9e dans le cadre d\u2019un Parc naturel<\/p>\n
Pour en savoir plus, voir l’article :
\nBardintzeff J.M. et Planagum\u00e0 L. (2012) – Volcans de Catalogne et parcs naturels. G\u00e9ochronique, n\u00b0 123, pages 17-19 (et page de couverture).<\/p>\n","protected":false},"excerpt":{"rendered":"
L’humoristique Alphonse Allais aurait propos\u00e9 de \u00ab mettre les villes \u00e0 la campagne \u00bb. Alors pourquoi pas une campagne volcanique ? Voici un joli petit c\u00f4ne volcanique nomm\u00e9 \u00ab La Garrinada \u00bb. Il fait partie de la zone volcanique de la Garrotxa, qui ressemble comme une petite s\u0153ur \u00e0 notre cha\u00eene des Puys. Il se … Continuer la lecture de Un volcan dans la ville<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[8],"tags":[293,294,295,296,297,298,3],"class_list":["post-952","post","type-post","status-publish","format-standard","hentry","category-voyages","tag-catalogne","tag-cone-volcanique","tag-espagne","tag-garroxta","tag-la-garrinada","tag-olot","tag-volcan"],"yoast_head":"\nUn volcan dans la ville, par Jacques-Marie Bardintzeff<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2015\/12\/18\/un-volcan-dans-la-ville\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Un volcan dans la ville, par Jacques-Marie Bardintzeff\" \/>\n<meta property=\"og:description\" content=\"L’humoristique Alphonse Allais aurait propos\u00e9 de \u00ab mettre les villes \u00e0 la campagne \u00bb. Alors pourquoi pas une campagne volcanique ? Voici un joli petit c\u00f4ne volcanique nomm\u00e9 \u00ab La Garrinada \u00bb. Il fait partie de la zone volcanique de la Garrotxa, qui ressemble comme une petite s\u0153ur \u00e0 notre cha\u00eene des Puys. 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![\"Bardintzeff.68.La_Garrinada\"](\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2015\/12\/Bardintzeff.68.La_Garrinada.jpg\")
<\/a><\/p>\n