{"id":13843,"date":"2021-07-22T19:14:42","date_gmt":"2021-07-22T17:14:42","guid":{"rendered":"http:\/\/volcanx.cluster031.hosting.ovh.net\/?post_type=glossary&#038;p=13843"},"modified":"2021-07-26T17:19:18","modified_gmt":"2021-07-26T15:19:18","slug":"scoria-fr","status":"publish","type":"glossary","link":"https:\/\/volcanofoundation.org\/fr\/glossary\/scoria-fr\/","title":{"rendered":"SCORIA"},"content":{"rendered":"<p><a class=\"glossary\" title=\"Mati&egrave;re &eacute;ject&eacute;e de mani&egrave;re explosive d'un volcan.\" href=\"https:\/\/volcanoes.usgs.gov\/vsc\/glossary\/ejecta.html\">&Eacute;jectas <\/a>volcaniques v&eacute;siculaires, essentiellement <a class=\"glossary\" title=\"Roche fondue sous la surface de la Terre.\" href=\"https:\/\/volcanoes.usgs.gov\/vsc\/glossary\/magma.html\">du magma <\/a>qui a &eacute;t&eacute; mousseux en s&rsquo;&eacute;chappant de gaz. C&rsquo;est une variante de la <a class=\"glossary\" title=\"Tr&egrave;s v&eacute;siculaire volcanique, g&eacute;n&eacute;ralement de composition silicique. C'est essentiellement du magma qui a &eacute;t&eacute; mousseux en s'&eacute;chappant des gaz, puis refroidi et solidifi&eacute; lors de l'&eacute;ruption. Le rhyolitique du ponce est g&eacute;n&eacute;ralement d'une densit&eacute; suffisamment faible pour flotter sur l'eau. Pr&egrave;s d'un vent, le caillou chaud peut s'accumuler et former un c&ocirc;ne de pierre ponce.\" href=\"https:\/\/volcanoes.usgs.gov\/vsc\/glossary\/pumice.html\">pierre ponce<\/a>, avec des <a class=\"glossary\" title=\"&Eacute;jectas volcaniques v&eacute;siculaires, essentiellement du magma qui a &eacute;t&eacute; mousseux en s'&eacute;chappant de gaz. C'est une variante texturale de la pierre ponce, avec des scories g&eacute;n&eacute;ralement moins v&eacute;siculaires, plus denses et g&eacute;n&eacute;ralement and&eacute;sitiques ou basaltiques.\" href=\"https:\/\/volcanoes.usgs.gov\/vsc\/glossary\/scoria.html\">scories <\/a>g&eacute;n&eacute;ralement moins v&eacute;siculaires, plus denses et g&eacute;n&eacute;ralement <a class=\"glossary\" title=\"La roche volcanique (ou lave) caract&eacute;ristiquement de couleur moyenne et contenant de 54 &agrave; 62% de silice et des quantit&eacute;s mod&eacute;r&eacute;es de fer et de magn&eacute;sium.\" href=\"https:\/\/volcanoes.usgs.gov\/vsc\/glossary\/andesite.html\">and&eacute;sitiques <\/a>ou <a class=\"glossary\" title=\"Roche volcanique (ou lave) qui est caract&eacute;ristique de couleur fonc&eacute;e (gris &agrave; noir), contient de 45 &agrave; 53 % de silice et est riche en fer et en magn&eacute;sium. Les laves basaltiques sont plus fluides que les and&eacute;sites ou les dacites, qui contiennent plus de silice.\" href=\"https:\/\/volcanoes.usgs.gov\/vsc\/glossary\/basalt.html\">basaltiques<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&Eacute;jectas volcaniques v&eacute;siculaires, essentiellement du <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;MAGMA&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Roche fondue sous la surface de la Terre.&lt;\/div&gt;\" href=\"https:\/\/volcanofoundation.org\/fr\/glossary\/magma-fr\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">magma<\/a> qui a &eacute;t&eacute; mousseux en s&rsquo;&eacute;chappant de gaz. C&rsquo;est une variante de la pierre <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;PONCE&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&Eacute;jectas volcaniques tr&egrave;s v&eacute;siculaires, g&eacute;n&eacute;ralement de composition silicique. C&amp;#039;est essentiellement du magma qui a &eacute;t&eacute; mousseux en s&amp;#039;&eacute;chappant des gaz, puis refroidi et solidifi&eacute; lors de l&amp;#039;&eacute;ruption. La pierre ponce rhyolitique est g&eacute;n&eacute;ralement de densit&eacute; suffisamment faible pour flotter sur l&amp;#039;eau. Pr&egrave;s d&amp;#039;un &eacute;vent, la pierre ponce chaude peut s&amp;#039;accumuler et former un c&ocirc;ne de pierre ponce.&lt;\/div&gt;\" href=\"https:\/\/volcanofoundation.org\/fr\/glossary\/ponce-fr\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">ponce<\/a>, avec des scories g&eacute;n&eacute;ralement moins v&eacute;siculaires, plus denses et g&eacute;n&eacute;ralement and&eacute;sitiques ou basaltiques.<\/p>\n","protected":false},"author":8,"featured_media":0,"menu_order":0,"template":"","meta":{"footnotes":""},"class_list":["post-13843","glossary","type-glossary","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n\t<meta name=\"author\" content=\"Anne Fornier\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/volcanofoundation.org\/fr\/glossary\/scoria-fr\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.0.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"VOLCANO ACTIVE FOUNDATION\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"SCORIA | VOLCANO ACTIVE FOUNDATION\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/volcanofoundation.org\/fr\/glossary\/scoria-fr\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/volcanx.cluster031.hosting.ovh.net\/wp-content\/uploads\/2019\/02\/feat_volcano-1.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/volcanx.cluster031.hosting.ovh.net\/wp-content\/uploads\/2019\/02\/feat_volcano-1.jpg\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2021-07-22T17:14:42+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2021-07-26T15:19:18+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary\" \/>\n\t\t<meta name=\"twitter:title\" content=\"SCORIA | VOLCANO ACTIVE FOUNDATION\" \/>\n\t\t<meta name=\"twitter:image\" content=\"http:\/\/volcanx.cluster031.hosting.ovh.net\/wp-content\/uploads\/2019\/02\/feat_volcano-1.jpg\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/glossary\\\/scoria-fr\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/glossary\\\/scoria-fr\\\/#listItem\",\"name\":\"SCORIA\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/glossary\\\/scoria-fr\\\/#listItem\",\"position\":2,\"name\":\"SCORIA\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/#listItem\",\"name\":\"Home\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/#organization\",\"name\":\"Volcano Active Foundation\",\"description\":\"Fondation pour l'att\\u00e9nuation des risques volcaniques\",\"url\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/\",\"telephone\":\"+34623485224\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/volcanofoundation.org\\\/wp-content\\\/uploads\\\/2018\\\/10\\\/logo-negro.png\",\"@id\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/glossary\\\/scoria-fr\\\/#organizationLogo\",\"width\":257,\"height\":522},\"image\":{\"@id\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/glossary\\\/scoria-fr\\\/#organizationLogo\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/author\\\/anne\\\/#author\",\"url\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/author\\\/anne\\\/\",\"name\":\"Anne Fornier\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/glossary\\\/scoria-fr\\\/#authorImage\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/49e9a85c8ffac78b0da7d41287da400abdcec312686cba974a2ba045830ae300?s=96&d=mm&r=g\",\"width\":96,\"height\":96,\"caption\":\"Anne Fornier\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/glossary\\\/scoria-fr\\\/#webpage\",\"url\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/glossary\\\/scoria-fr\\\/\",\"name\":\"SCORIA | VOLCANO ACTIVE FOUNDATION\",\"inLanguage\":\"fr-FR\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/glossary\\\/scoria-fr\\\/#breadcrumblist\"},\"author\":{\"@id\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/author\\\/anne\\\/#author\"},\"creator\":{\"@id\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/author\\\/anne\\\/#author\"},\"datePublished\":\"2021-07-22T19:14:42+02:00\",\"dateModified\":\"2021-07-26T17:19:18+02:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/#website\",\"url\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/\",\"name\":\"VOLCANO ACTIVE FOUNDATION\",\"description\":\"Fondation pour l'att\\u00e9nuation des risques volcaniques\",\"inLanguage\":\"fr-FR\",\"publisher\":{\"@id\":\"https:\\\/\\\/volcanofoundation.org\\\/fr\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"SCORIA | VOLCANO ACTIVE FOUNDATION","description":"","canonical_url":"https:\/\/volcanofoundation.org\/fr\/glossary\/scoria-fr\/","robots":"max-snippet:-1, max-image-preview:large, max-video-preview:-1","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/volcanofoundation.org\/fr\/glossary\/scoria-fr\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/volcanofoundation.org\/fr\/#listItem","position":1,"name":"Home","item":"https:\/\/volcanofoundation.org\/fr\/","nextItem":{"@type":"ListItem","@id":"https:\/\/volcanofoundation.org\/fr\/glossary\/scoria-fr\/#listItem","name":"SCORIA"}},{"@type":"ListItem","@id":"https:\/\/volcanofoundation.org\/fr\/glossary\/scoria-fr\/#listItem","position":2,"name":"SCORIA","previousItem":{"@type":"ListItem","@id":"https:\/\/volcanofoundation.org\/fr\/#listItem","name":"Home"}}]},{"@type":"Organization","@id":"https:\/\/volcanofoundation.org\/fr\/#organization","name":"Volcano Active Foundation","description":"Fondation pour l'att\u00e9nuation des risques volcaniques","url":"https:\/\/volcanofoundation.org\/fr\/","telephone":"+34623485224","logo":{"@type":"ImageObject","url":"https:\/\/volcanofoundation.org\/wp-content\/uploads\/2018\/10\/logo-negro.png","@id":"https:\/\/volcanofoundation.org\/fr\/glossary\/scoria-fr\/#organizationLogo","width":257,"height":522},"image":{"@id":"https:\/\/volcanofoundation.org\/fr\/glossary\/scoria-fr\/#organizationLogo"}},{"@type":"Person","@id":"https:\/\/volcanofoundation.org\/fr\/author\/anne\/#author","url":"https:\/\/volcanofoundation.org\/fr\/author\/anne\/","name":"Anne Fornier","image":{"@type":"ImageObject","@id":"https:\/\/volcanofoundation.org\/fr\/glossary\/scoria-fr\/#authorImage","url":"https:\/\/secure.gravatar.com\/avatar\/49e9a85c8ffac78b0da7d41287da400abdcec312686cba974a2ba045830ae300?s=96&d=mm&r=g","width":96,"height":96,"caption":"Anne Fornier"}},{"@type":"WebPage","@id":"https:\/\/volcanofoundation.org\/fr\/glossary\/scoria-fr\/#webpage","url":"https:\/\/volcanofoundation.org\/fr\/glossary\/scoria-fr\/","name":"SCORIA | VOLCANO ACTIVE FOUNDATION","inLanguage":"fr-FR","isPartOf":{"@id":"https:\/\/volcanofoundation.org\/fr\/#website"},"breadcrumb":{"@id":"https:\/\/volcanofoundation.org\/fr\/glossary\/scoria-fr\/#breadcrumblist"},"author":{"@id":"https:\/\/volcanofoundation.org\/fr\/author\/anne\/#author"},"creator":{"@id":"https:\/\/volcanofoundation.org\/fr\/author\/anne\/#author"},"datePublished":"2021-07-22T19:14:42+02:00","dateModified":"2021-07-26T17:19:18+02:00"},{"@type":"WebSite","@id":"https:\/\/volcanofoundation.org\/fr\/#website","url":"https:\/\/volcanofoundation.org\/fr\/","name":"VOLCANO ACTIVE FOUNDATION","description":"Fondation pour l'att\u00e9nuation des risques volcaniques","inLanguage":"fr-FR","publisher":{"@id":"https:\/\/volcanofoundation.org\/fr\/#organization"}}]},"og:locale":"fr_FR","og:site_name":"VOLCANO ACTIVE FOUNDATION","og:type":"article","og:title":"SCORIA | VOLCANO ACTIVE FOUNDATION","og:url":"https:\/\/volcanofoundation.org\/fr\/glossary\/scoria-fr\/","og:image":"https:\/\/volcanx.cluster031.hosting.ovh.net\/wp-content\/uploads\/2019\/02\/feat_volcano-1.jpg","og:image:secure_url":"https:\/\/volcanx.cluster031.hosting.ovh.net\/wp-content\/uploads\/2019\/02\/feat_volcano-1.jpg","article:published_time":"2021-07-22T17:14:42+00:00","article:modified_time":"2021-07-26T15:19:18+00:00","twitter:card":"summary","twitter:title":"SCORIA | VOLCANO ACTIVE FOUNDATION","twitter:image":"http:\/\/volcanx.cluster031.hosting.ovh.net\/wp-content\/uploads\/2019\/02\/feat_volcano-1.jpg"},"aioseo_meta_data":{"post_id":"13843","title":null,"description":null,"keywords":[],"keyphrases":{"focus":[],"additional":[]},"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":"","og_custom_url":null,"og_article_section":null,"og_article_tags":[],"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":"{\"article\":{\"articleType\":\"BlogPosting\"},\"course\":{\"name\":\"\",\"description\":\"\",\"provider\":\"\"},\"faq\":{\"pages\":[]},\"product\":{\"reviews\":[]},\"recipe\":{\"ingredients\":[],\"instructions\":[],\"keywords\":[]},\"software\":{\"reviews\":[],\"operatingSystems\":[]},\"webPage\":{\"webPageType\":\"WebPage\"}}","pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":"-1","robots_max_videopreview":"-1","robots_max_imagepreview":"large","priority":null,"frequency":"default","local_seo":{"locations":{"business":{"name":"","businessType":"","image":"","areaServed":"","urls":{"website":"","aboutPage":"","contactPage":""},"address":{"streetLine1":"","streetLine2":"","zipCode":"","city":"","state":"","country":"","addressFormat":"#streetLineOne\n#streetLineTwo\n#city, #state #zipCode"},"contact":{"email":"","phone":"","phoneFormatted":"","fax":"","faxFormatted":""},"ids":{"vat":"","tax":"","chamberOfCommerce":""},"payment":{"priceRange":"","currenciesAccepted":"","methods":""}}},"openingHours":{"useDefaults":true,"show":true,"alwaysOpen":false,"use24hFormat":false,"timezone":"","labels":{"closed":"","alwaysOpen":""},"days":{"monday":{"open24h":false,"closed":false,"openTime":"09:00","closeTime":"17:00"},"tuesday":{"open24h":false,"closed":false,"openTime":"09:00","closeTime":"17:00"},"wednesday":{"open24h":false,"closed":false,"openTime":"09:00","closeTime":"17:00"},"thursday":{"open24h":false,"closed":false,"openTime":"09:00","closeTime":"17:00"},"friday":{"open24h":false,"closed":false,"openTime":"09:00","closeTime":"17:00"},"saturday":{"open24h":false,"closed":false,"openTime":"09:00","closeTime":"17:00"},"sunday":{"open24h":false,"closed":false,"openTime":"09:00","closeTime":"17:00"}}}},"breadcrumb_settings":null,"limit_modified_date":false,"ai":null,"created":"2021-07-22 17:13:40","updated":"2025-09-04 20:04:05","seo_analyzer_scan_date":null,"focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/volcanofoundation.org\/fr\/\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tSCORIA\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/volcanofoundation.org\/fr\/"},{"label":"SCORIA","link":"https:\/\/volcanofoundation.org\/fr\/glossary\/scoria-fr\/"}],"_links":{"self":[{"href":"https:\/\/volcanofoundation.org\/fr\/wp-json\/wp\/v2\/glossary\/13843","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/volcanofoundation.org\/fr\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/volcanofoundation.org\/fr\/wp-json\/wp\/v2\/types\/glossary"}],"author":[{"embeddable":true,"href":"https:\/\/volcanofoundation.org\/fr\/wp-json\/wp\/v2\/users\/8"}],"version-history":[{"count":0,"href":"https:\/\/volcanofoundation.org\/fr\/wp-json\/wp\/v2\/glossary\/13843\/revisions"}],"wp:attachment":[{"href":"https:\/\/volcanofoundation.org\/fr\/wp-json\/wp\/v2\/media?parent=13843"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}