{"id":2708,"date":"2017-09-05T10:18:10","date_gmt":"2017-09-05T10:18:10","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/?p=2708"},"modified":"2017-09-05T10:21:02","modified_gmt":"2017-09-05T10:21:02","slug":"les-tephra","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2017\/09\/05\/les-tephra\/","title":{"rendered":"Les tephra"},"content":{"rendered":"

On appelle \u00ab\u00a0tephra\u00a0\u00bb, l\u2019ensemble des d\u00e9p\u00f4ts volcaniques \u00e0 l\u2019exception des laves. Ce terme signifie \u00ab\u00a0cendre\u00a0\u00bb en grec mais il est \u00e9largi aux lapilli, aux bombes\u2026 On l\u2019\u00e9crit souvent sans accent et sans \u00ab\u00a0s\u00a0\u00bb car c\u2019est d\u00e9j\u00e0 un pluriel.<\/p>\n

\"\"Jacques-Marie Bardintzeff, volcanologue, rep\u00e8re un niveau de tephra (des retomb\u00e9es ponceuses) au Komagatake, Hokkaido, Japon (\u00a9 J.M. Bardintzeff).<\/p>\n

<\/p>\n

L\u2019\u00e9tude de la r\u00e9partition des tephra s\u2019appelle la \u00ab\u00a0t\u00e9phrostratigraphie\u00a0\u00bb et leur datation la \u00ab\u00a0t\u00e9phrochronologie\u00a0\u00bb.<\/p>\n","protected":false},"excerpt":{"rendered":"

On appelle \u00ab\u00a0tephra\u00a0\u00bb, l\u2019ensemble des d\u00e9p\u00f4ts volcaniques \u00e0 l\u2019exception des laves. Ce terme signifie \u00ab\u00a0cendre\u00a0\u00bb en grec mais il est \u00e9largi aux lapilli, aux bombes\u2026 On l\u2019\u00e9crit souvent sans accent et sans \u00ab\u00a0s\u00a0\u00bb car c\u2019est d\u00e9j\u00e0 un pluriel. Jacques-Marie Bardintzeff, volcanologue, rep\u00e8re un niveau de tephra (des retomb\u00e9es ponceuses) au Komagatake, Hokkaido, Japon (\u00a9 J.M. … Continuer la lecture de Les tephra<\/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":[21,965,220,557,94,954,345,608,586,966,967,13],"class_list":["post-2708","post","type-post","status-publish","format-standard","hentry","category-voyages","tag-bardintzeff","tag-bombe","tag-cendre","tag-hokkaido","tag-japon","tag-komagatake","tag-lapilli","tag-ponce","tag-tephra","tag-tephrochronologie","tag-tephrostratigraphie","tag-volcanologue"],"yoast_head":"\nLes tephra, 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\/2017\/09\/05\/les-tephra\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les tephra, par Jacques-Marie Bardintzeff\" \/>\n<meta property=\"og:description\" content=\"On appelle \u00ab\u00a0tephra\u00a0\u00bb, l\u2019ensemble des d\u00e9p\u00f4ts volcaniques \u00e0 l\u2019exception des laves. Ce terme signifie \u00ab\u00a0cendre\u00a0\u00bb en grec mais il est \u00e9largi aux lapilli, aux bombes\u2026 On l\u2019\u00e9crit souvent sans accent et sans \u00ab\u00a0s\u00a0\u00bb car c\u2019est d\u00e9j\u00e0 un pluriel. Jacques-Marie Bardintzeff, volcanologue, rep\u00e8re un niveau de tephra (des retomb\u00e9es ponceuses) au Komagatake, Hokkaido, Japon (\u00a9 J.M. … Continuer la lecture de Les tephra →\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2017\/09\/05\/les-tephra\/\" \/>\n<meta property=\"og:site_name\" content=\"VOLCANMANIA : le blog de Jacques-Marie BARDINTZEFF, volcanologue\" \/>\n<meta property=\"article:published_time\" content=\"2017-09-05T10:18:10+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2017-09-05T10:21:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2017\/09\/Bardintzeff.SAM_0948.Komagatake_JM.low_.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1417\" \/>\n\t<meta property=\"og:image:height\" content=\"1067\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"jmbardintzeff\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"jmbardintzeff\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2017\/09\/05\/les-tephra\/\",\"url\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2017\/09\/05\/les-tephra\/\",\"name\":\"Les tephra, par Jacques-Marie Bardintzeff\",\"isPartOf\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2017\/09\/05\/les-tephra\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2017\/09\/05\/les-tephra\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2017\/09\/Bardintzeff.SAM_0948.Komagatake_JM.low_-450x339.jpg\",\"datePublished\":\"2017-09-05T10:18:10+00:00\",\"dateModified\":\"2017-09-05T10:21:02+00:00\",\"author\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/#\/schema\/person\/974e1e0324e3e06f08253784e8eca61e\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2017\/09\/05\/les-tephra\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2017\/09\/05\/les-tephra\/#primaryimage\",\"url\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2017\/09\/Bardintzeff.SAM_0948.Komagatake_JM.low_.jpg\",\"contentUrl\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2017\/09\/Bardintzeff.SAM_0948.Komagatake_JM.low_.jpg\",\"width\":1417,\"height\":1067},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/#website\",\"url\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/\",\"name\":\"VOLCANMANIA : le blog de Jacques-Marie BARDINTZEFF, volcanologue\",\"description\":\"Les volcans ? Passionn\u00e9ment ! Les volcans ne sont pas toujours m\u00e9chants, ils sont aussi les t\u00e9moins de la Terre active !\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/#\/schema\/person\/974e1e0324e3e06f08253784e8eca61e\",\"name\":\"jmbardintzeff\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/d38cb5297008217786910838f2aa1bda?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/d38cb5297008217786910838f2aa1bda?s=96&d=mm&r=g\",\"caption\":\"jmbardintzeff\"},\"url\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/author\/jmbardintzeff\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Les tephra, par Jacques-Marie Bardintzeff","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2017\/09\/05\/les-tephra\/","og_locale":"fr_FR","og_type":"article","og_title":"Les tephra, par Jacques-Marie Bardintzeff","og_description":"On appelle \u00ab\u00a0tephra\u00a0\u00bb, l\u2019ensemble des d\u00e9p\u00f4ts volcaniques \u00e0 l\u2019exception des laves. Ce terme signifie \u00ab\u00a0cendre\u00a0\u00bb en grec mais il est \u00e9largi aux lapilli, aux bombes\u2026 On l\u2019\u00e9crit souvent sans accent et sans \u00ab\u00a0s\u00a0\u00bb car c\u2019est d\u00e9j\u00e0 un pluriel. Jacques-Marie Bardintzeff, volcanologue, rep\u00e8re un niveau de tephra (des retomb\u00e9es ponceuses) au Komagatake, Hokkaido, Japon (\u00a9 J.M. … Continuer la lecture de Les tephra →","og_url":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2017\/09\/05\/les-tephra\/","og_site_name":"VOLCANMANIA : le blog de Jacques-Marie BARDINTZEFF, volcanologue","article_published_time":"2017-09-05T10:18:10+00:00","article_modified_time":"2017-09-05T10:21:02+00:00","og_image":[{"width":1417,"height":1067,"url":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2017\/09\/Bardintzeff.SAM_0948.Komagatake_JM.low_.jpg","type":"image\/jpeg"}],"author":"jmbardintzeff","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"jmbardintzeff"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2017\/09\/05\/les-tephra\/","url":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2017\/09\/05\/les-tephra\/","name":"Les tephra, par Jacques-Marie Bardintzeff","isPartOf":{"@id":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/#website"},"primaryImageOfPage":{"@id":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2017\/09\/05\/les-tephra\/#primaryimage"},"image":{"@id":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2017\/09\/05\/les-tephra\/#primaryimage"},"thumbnailUrl":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2017\/09\/Bardintzeff.SAM_0948.Komagatake_JM.low_-450x339.jpg","datePublished":"2017-09-05T10:18:10+00:00","dateModified":"2017-09-05T10:21:02+00:00","author":{"@id":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/#\/schema\/person\/974e1e0324e3e06f08253784e8eca61e"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/blogs.futura-sciences.com\/bardintzeff\/2017\/09\/05\/les-tephra\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2017\/09\/05\/les-tephra\/#primaryimage","url":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2017\/09\/Bardintzeff.SAM_0948.Komagatake_JM.low_.jpg","contentUrl":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2017\/09\/Bardintzeff.SAM_0948.Komagatake_JM.low_.jpg","width":1417,"height":1067},{"@type":"WebSite","@id":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/#website","url":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/","name":"VOLCANMANIA : le blog de Jacques-Marie BARDINTZEFF, volcanologue","description":"Les volcans ? Passionn\u00e9ment ! Les volcans ne sont pas toujours m\u00e9chants, ils sont aussi les t\u00e9moins de la Terre active !","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Person","@id":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/#\/schema\/person\/974e1e0324e3e06f08253784e8eca61e","name":"jmbardintzeff","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/d38cb5297008217786910838f2aa1bda?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/d38cb5297008217786910838f2aa1bda?s=96&d=mm&r=g","caption":"jmbardintzeff"},"url":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/author\/jmbardintzeff\/"}]}},"_links":{"self":[{"href":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-json\/wp\/v2\/posts\/2708","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-json\/wp\/v2\/comments?post=2708"}],"version-history":[{"count":5,"href":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-json\/wp\/v2\/posts\/2708\/revisions"}],"predecessor-version":[{"id":2714,"href":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-json\/wp\/v2\/posts\/2708\/revisions\/2714"}],"wp:attachment":[{"href":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-json\/wp\/v2\/media?parent=2708"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-json\/wp\/v2\/categories?post=2708"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-json\/wp\/v2\/tags?post=2708"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}