{"id":8036,"date":"2022-10-09T09:22:01","date_gmt":"2022-10-09T09:22:01","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/?p=8036"},"modified":"2022-10-09T09:24:04","modified_gmt":"2022-10-09T09:24:04","slug":"trapps-de-letendeka-en-namibie","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2022\/10\/09\/trapps-de-letendeka-en-namibie\/","title":{"rendered":"Trapps de l\u2019Etendeka en Namibie"},"content":{"rendered":"

Voici ce que j\u2019\u00e9cris dans mon livre \u00ab\u00a0Volcanologie\u00a0\u00bb (6e<\/sup> \u00e9d., Dunod, 2021)\u00a0:<\/p>\n

\u00ab\u00a0\u2026on conna\u00eet d\u2019immenses empilements de coul\u00e9es basaltiques (trapps), \u00e9mises au cours d\u2019un intervalle de temps de quelques centaines de milliers d\u2019ann\u00e9es qui recouvrent des provinces enti\u00e8res (Deccan en Inde, Columbia River aux \u00c9tats-Unis\u2026\u00a0\u00bb<\/p>\n

Et plus loin\u00a0:<\/p>\n

\u00ab\u00a0L\u2019\u00eele de Tristan da Cunha, au milieu de l\u2019oc\u00e9an Atlantique Sud, correspond \u00e0 la queue r\u00e9siduelle actuelle d\u2019un point chaud dont la t\u00eate donna naissance, il y a 130-133 Ma, aux trapps du Paran\u00e1<\/em> au Br\u00e9sil et de l\u2019Etendeka en Namibie alors conjoints. Les rides asismiques de Rio Grande et de Walvis t\u00e9moignent de l\u2019activit\u00e9 continue de ce point chaud.\u00a0\u00bb<\/p>\n

C\u2019\u00e9tait donc un vieux r\u00eave de les observer sur place\u00a0!<\/p>\n

\"\"<\/p>\n

Les trapps de l\u2019Etendeka (vastes \u00e9panchements basaltiques) dans le nord-ouest de la Namibie (ici pr\u00e8s de Palmwag) forment d\u2019immenses plateaux (\u00a9 J.M. Bardintzeff).<\/p>\n

<\/p>\n

\"\"Paysage de l\u2019Etendeka en Namibie\u00a0: les trapps forment d\u2019immenses plateaux (\u00a9 J.M. Bardintzeff).<\/p>\n","protected":false},"excerpt":{"rendered":"

Voici ce que j\u2019\u00e9cris dans mon livre \u00ab\u00a0Volcanologie\u00a0\u00bb (6e \u00e9d., Dunod, 2021)\u00a0: \u00ab\u00a0\u2026on conna\u00eet d\u2019immenses empilements de coul\u00e9es basaltiques (trapps), \u00e9mises au cours d\u2019un intervalle de temps de quelques centaines de milliers d\u2019ann\u00e9es qui recouvrent des provinces enti\u00e8res (Deccan en Inde, Columbia River aux \u00c9tats-Unis\u2026\u00a0\u00bb Et plus loin\u00a0: \u00ab\u00a0L\u2019\u00eele de Tristan da Cunha, au milieu … Continuer la lecture de Trapps de l\u2019Etendeka en Namibie<\/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":[6,8],"tags":[2542,1587,2543],"class_list":["post-8036","post","type-post","status-publish","format-standard","hentry","category-actualites","category-voyages","tag-etendeka","tag-namibie","tag-trapp"],"yoast_head":"\nTrapps de l\u2019Etendeka en Namibie, 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\/2022\/10\/09\/trapps-de-letendeka-en-namibie\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Trapps de l\u2019Etendeka en Namibie, par Jacques-Marie Bardintzeff\" 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