{"id":195460,"date":"2024-08-30T18:23:25","date_gmt":"2024-08-30T23:23:25","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2024\/08\/geologists-uncover-remnants-of-earths-mantle-that-have-lasted-over-2-5-billion-years"},"modified":"2024-08-30T18:23:25","modified_gmt":"2024-08-30T23:23:25","slug":"geologists-uncover-remnants-of-earths-mantle-that-have-lasted-over-2-5-billion-years","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2024\/08\/geologists-uncover-remnants-of-earths-mantle-that-have-lasted-over-2-5-billion-years","title":{"rendered":"Geologists Uncover Remnants of Earth\u2019s Mantle That Have Lasted Over 2.5 Billion Years"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/geologists-uncover-remnants-of-earths-mantle-that-have-lasted-over-2-5-billion-years2.jpg\"><\/a><\/p>\n<p>The nature of Earth\u2019s deep past can often feel intangible. From our modern moment, eons billions of years in the past seem hard to touch. Among some of our planet\u2019s rocks, however, are tatters and fragments from those distant times that can offer us a peek at what our planet was like when our ancestors were single-celled organisms. By studying some of these vestiges, geologists have been able to detect what was transpiring under the Earth\u2019s crust over 2.5 billion years ago.<\/p>\n<p>Below our feet\u2014and our planet\u2019s outer crust\u2014 <a href=\"https:\/\/www.smithsonianmag.com\/smart-news\/scientists-extract-rocks-from-earths-mantle-180982350\/\">Earth\u2019s mantle<\/a> makes up the vast majority of the planet\u2019s volume. Different layers of the mantle are made up of different rock types, and one of the most common is an igneous rock high in silica content called <a href=\"https:\/\/www.britannica.com\/science\/peridotite\">peridotite<\/a>. In the past, when geologists have compared samples of prehistoric peridotite from Earth\u2019s mantle and their modern equivalents, they\u2019ve found a significant discrepancy.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The nature of Earth\u2019s deep past can often feel intangible. From our modern moment, eons billions of years in the past seem hard to touch. Among some of our planet\u2019s rocks, however, are tatters and fragments from those distant times that can offer us a peek at what our planet was like when our ancestors [\u2026]<\/p>\n","protected":false},"author":396,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-195460","post","type-post","status-publish","format-standard","hentry","category-futurism"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/195460","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/396"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=195460"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/195460\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=195460"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=195460"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=195460"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}