{"id":238070,"date":"2023-04-15T20:26:52","date_gmt":"2023-04-15T14:56:52","guid":{"rendered":"https:\/\/blog.forumias.com\/?p=238070"},"modified":"2023-04-17T14:14:35","modified_gmt":"2023-04-17T08:44:35","slug":"an-ancient-sunken-ocean-floor-seems-to-lie-above-earths-core-under-the-mantle","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/an-ancient-sunken-ocean-floor-seems-to-lie-above-earths-core-under-the-mantle\/","title":{"rendered":"An ancient sunken ocean floor seems to lie above Earth\u2019s core, under the mantle"},"content":{"rendered":"\n<p><b>Source: <\/b><span style=\"font-weight: 400;\">The post is based on the article \u201c<\/span><b>An ancient sunken ocean floor seems to lie above Earth\u2019s core, under the mantle\u201d <\/b><span style=\"font-weight: 400;\">published in <\/span><b>Indian Express <\/b>on <b>15th April 2023<\/b><\/p>\n<h2><b>What is the News?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Geologists have discovered a new layer between the core and the mantle that is likely to be a thin but dense sunken ocean floor.<\/span><\/p>\n<h2><b>What have the geologists discovered?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Earth&#8217;s structure was divided into four layers: crust, mantle, outer core, and inner core.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Now a fifth layer has been discovered which is between the core and the mantle that is likely to be a sunken ocean floor seen only in isolated patches previously.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This layer is pencil-thin in geological terms, measuring tens of kilometres, which is minuscule when compared to the thickness of Earth&#8217;s other layers.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This layer <\/span><span style=\"font-weight: 400;\">can be thought of as mountains along the core-mantle boundary, with heights ranging from less than about three miles to more than 25 miles.<\/span><\/p>\n<h2><b>What is the significance of this discovery?<\/b><\/h2>\n<p><b>Firstly, <\/b>the <span style=\"font-weight: 400;\">analysis could reveal how this layer plays a role in heat to escape from the core, the portion of the planet that powers the magnetic field.<\/span><\/p>\n<p><b>Secondly,<\/b><span style=\"font-weight: 400;\"> this new discovery opens up new avenues of research for geologists and could lead to a better understanding of Earth&#8217;s geological processes.<\/span><\/p>\n<p><b>Thirdly,<\/b><span style=\"font-weight: 400;\"> the detailed method used to probe a large portion of the Southern Hemisphere using sound wave echoes from the core-mantle boundary could be used in other parts of the world to uncover similar anomalies.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Source: The post is based on the article \u201cAn ancient sunken ocean floor seems to lie above Earth\u2019s core, under the mantle\u201d published in Indian Express on 15th April 2023 What is the News? Geologists have discovered a new layer between the core and the mantle that is likely to be a thin but dense&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/an-ancient-sunken-ocean-floor-seems-to-lie-above-earths-core-under-the-mantle\/\">Continue reading <span class=\"screen-reader-text\">An ancient sunken ocean floor seems to lie above Earth\u2019s core, under the mantle<\/span><\/a><\/p>\n","protected":false},"author":10317,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,4182,11209,9],"tags":[11414,10500],"class_list":["post-238070","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-environment","category-geography-in-news","category-public","tag-earth-layers","tag-indian-express","entry"],"jetpack_featured_media_url":"","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/238070","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10317"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=238070"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/238070\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=238070"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=238070"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=238070"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}