how deep is the earth's mantle
00:19:50 Why research things that'll happen in the far future? Is Deep Forest the best alternative to deep neural networks? Click to share on Facebook (Opens in new window), Click to share on Pocket (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Tumblr (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Reddit (Opens in new window), Click to email this to a friend (Opens in new window), http://en.wikipedia.org/wiki/Earth_radius, http://en.wikipedia.org/wiki/TauTona_Mine, http://en.wikipedia.org/wiki/Mantle_%28geology%29, https://www.amazon.com/Universe-Today-Ultimate-Viewing-Cosmos/dp/1624145442/, https://itunes.apple.com/us/podcast/universe-today-guide-to-space-audio/id794058155?mt=2, https://www.youtube.com/playlist?list=PLbJ42wpShvmkjd428BcHcCEVWOjv7cJ1G, https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/, https://www.youtube.com/channel/UCUHI67dh9jEO2rvK–MdCSg, https://www.youtube.com/channel/UCEItkORQYd4Wf0TpgYI_1fw, Episode 697: Interview: Theoretical Physicist Dr. Peter Woit, Episode 696: Open Space 94: Is It Realistic to Declare a "Free Mars"? These are now an industry standard, but they were originally developed for KTB – and they worked until 7.5kms (4.7 miles). lithosphere, surrounds the mantle and is about 5 to 75 km thick. https://www.universetoday.com/newsletter, Weekly Space Hangout: This was twice what was expected at that depth and drilling deeper was no longer possible. In order to be able to dig down to the center of the Earth, my friends and I would have needed to dig our way through 6,378 km of rock, mantle, and iron. And finally, in 1990, the German Continental Deep Drilling Program (KTB) began in Bavaria – and eventually drilled down to 5.6 miles (9km). RSS: https://www.universetoday.com/audio, What Fraser's Watching Playlist: See no ads on this site, see our videos early, special bonus material, and much more. Our Book is out! This is surrounded by the ‘outer core’, which is also made of iron and nickel, but is molten. He uses advanced computing tools to develop models of mantle dynamics, helping us to understand the mantle’s behaviour and how it influences Earth’s surface. The mantle is about 2,900 kilometers (1,802 miles) thick, and makes up a whopping 84% of Earth’s total volume. This resulted in a string of volcanoes that traverse the continent from north to south, formed between 34 and 9 million years ago. “The plan was there to drill deeper than the Soviets,” says Harms, “but we hadn’t even reached our allowed phase of 10km (6.25 miles) in the time we had. The borehole is located in the wilds of Russia's northern Kola Peninsula (Credit: Getty Images), “It’s the difference between having a live dinosaur and a fossilised dinosaur bone.”. 6 Fascinating Facts About the Earth's Mantle, Found! It is only 25 (40km) miles thick. Earth's mantle is a silicate rocky shell with an average thickness of 2,886 kilometres (1,793 mi). When Dutch artist Lotte Geevan lowered her microphone protected by a thermal shield down the German borehole, it picked up a deep rumbling sound that scientists couldn’t explain, a rumbling that made her “feel very small; it was the first time in my life this big ball we live on came to life, and it sounds haunting,” she says. “The infrastructure can be built up, but that takes time and money,” adds Toczko. 12.300 m (40.400 ft) - those are the Kola Superdeep Borehole in Russia and the Al Shaheen oil well in Qatar. “When the Russians started to drill they claimed they had found free water – and that was simply not believed by most scientists. And then another 6,378 km to get through the other side and visit the folks in China. The huge drill rig is still there – and a tourist attraction today – but today the crane just lowers instruments for measurement.
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