British scientists have embarked on a mission to study a huge area on the Atlantic seabed where the Earth's crust is mysteriously missing and instead is covered with dark green rock from deep inside the planet.
The 12-member expedition to take an unprecedented peek at Earth's mantle left the Canary Islands on Monday with a new high-tech vessel and a robotic device named Toby that will dig up rock samples at the site and film what it sees.
The main site — there is at least one other in roughly the same area and a third is suspected — is about three miles below the surface of the Atlantic and located about 2,000 nautical miles southwest of the Canaries.
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The Earth's Mantle to be Studied
Re: The Earth's Mantle to be Studied
