{"id":554145,"date":"2018-12-07T08:10:01","date_gmt":"2018-12-07T12:10:01","guid":{"rendered":"http:\/\/spaceweekly.com\/?guid=387c8c0781107230c72e88c323c805bf"},"modified":"2018-12-07T08:10:01","modified_gmt":"2018-12-07T12:10:01","slug":"scientists-discover-possible-mantle-mineral","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=554145","title":{"rendered":"Scientists discover possible mantle mineral"},"content":{"rendered":"<p>Scientists long believed that Earth&#8217;s lower mantle was composed of Bridgmanite (Mg,Fe)SiO3 and magnesiow\u00fcstite (Mg,Fe)O, in which Fe2+ dwells. This view changed when experiments showed that Fe2+ simply can&#8217;t exist at the pressure and temperature of the lower mantle. What is present is Fe3+. The two phases (Mg,Fe)SiO3 and (Mg,Fe)O both shed Fe2+ and, in turn, MgSiO3 and MgO remain. However, what mineral hosts Fe3+ had remained unknown.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Scientists long believed that Earth&#8217;s lower mantle was composed of Bridgmanite (Mg,Fe)SiO3 and magnesiow&uuml;stite (Mg,Fe)O, in which Fe2+ dwells. This view changed when experiments showed that Fe2+ simply can&#8217;t exist at the pressure and temperature of the lower mantle. What is present is Fe3+. The two phases (Mg,Fe)SiO3 and (Mg,Fe)O both shed Fe2+ and, in turn, MgSiO3 and MgO remain. However, what mineral hosts Fe3+ had remained unknown.<\/p>\n","protected":false},"author":0,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-554145","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/554145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=554145"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/554145\/revisions"}],"predecessor-version":[{"id":554146,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/554145\/revisions\/554146"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=554145"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=554145"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=554145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}