{"id":592,"date":"2014-03-06T13:28:11","date_gmt":"2014-03-06T18:28:11","guid":{"rendered":"http:\/\/sciencemediacentre.ca\/site\/?p=592"},"modified":"2014-04-02T11:49:09","modified_gmt":"2014-04-02T16:49:09","slug":"les-sables-bitumineux-de-louest-proviendrait-de-lest","status":"publish","type":"post","link":"http:\/\/sciencemediacentre.ca\/site\/les-sables-bitumineux-de-louest-proviendrait-de-lest\/","title":{"rendered":"Les sables bitumineux de l’Ouest proviendrait de l’Est "},"content":{"rendered":"
\"La<\/a>

La datation par l\u2019uranium-plomb de grains de sable (appel\u00e9s zircons et montr\u00e9s dans l\u2019image ci-dessus) provenant des sables bitumineux en Alberta montre que plusieurs de ces grains semblent provenir de roches de la cha\u00eenes des Appalaches qui traverse l\u2019est de l\u2019Am\u00e9rique du Nord. (Cr\u00e9dit photo : Riley Brandt, Universit\u00e9 de Calgary<\/a>)<\/p><\/div>\n

Les sables bitumineux sont associ\u00e9s \u00e0 l\u2019Alberta, mais une nouvelle \u00e9tude montre que la majorit\u00e9 du sable en Alberta viendrait de la c\u00f4te Est. La datation par l\u2019uranium-plomb de grains de sable (appel\u00e9s zircons et montr\u00e9s dans l\u2019image ci-dessus) provenant des sables bitumineux en Alberta montre que plusieurs de ces grains semblent provenir de roches \u00e9rod\u00e9es de la cha\u00eenes des Appalaches qui traverse l\u2019est de l\u2019Am\u00e9rique du Nord et auraient \u00e9t\u00e9 transport\u00e9es par des rivi\u00e8res jusqu\u2019en Alberta pendant le Cr\u00e9tac\u00e9 inf\u00e9rieur (il y a entre 100 et 146 millions d\u2019ann\u00e9e). Cette d\u00e9couverte am\u00e9liore notre compr\u00e9hension de comment les sables bitumineux se sont form\u00e9s.<\/p>\n

<\/p>\n

Pour lire l\u2019article original publi\u00e9 dans\u00a0Journal of Sedimentary Research<\/em> le\u00a06 mars 2014<\/strong>,\u00a0cliquez\u00a0ici<\/span><\/a><\/p>\n

Auteur \u00e0 contacter pour plus d\u2019informations<\/strong><\/span><\/p>\n

Christine Benyon<\/a>,\u00a0Universit\u00e9 de Calgary<\/h4>\n

Andrew L. Leier<\/a>,\u00a0Universit\u00e9 de Calgary<\/h4>\n","protected":false},"excerpt":{"rendered":"

Les sables bitumineux sont associ\u00e9s \u00e0 l\u2019Alberta, mais une nouvelle \u00e9tude montre que la majorit\u00e9 du sable en Alberta viendrait de la c\u00f4te Est. La datation par l\u2019uranium-plomb de grains de sable (appel\u00e9s zircons et montr\u00e9s dans l\u2019image ci-dessus) provenant des sables bitumineux en Alberta montre que plusieurs de ces grains semblent provenir de roches […]<\/p>\n","protected":false},"author":3,"featured_media":595,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[531],"tags":[861,660,683,659],"class_list":["post-592","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paper-of-interest-fr","tag-alberta-fr","tag-energie","tag-environnement","tag-petrole"],"jetpack_featured_media_url":"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/03\/140311_edit_christine_benyon-0012_11.jpg","jetpack_shortlink":"https:\/\/wp.me\/p4DqbN-9y","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/592","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/comments?post=592"}],"version-history":[{"count":9,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/592\/revisions"}],"predecessor-version":[{"id":748,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/592\/revisions\/748"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media\/595"}],"wp:attachment":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media?parent=592"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/categories?post=592"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/tags?post=592"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}