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August 9, 2024 11:59 AM

Scientists obtain deepest rock sample from Earth’s mantle

Scientists using an ocean drilling vessel have dug the deepest hole ever in rock from Earth's mantle - penetrating 4,160 feet (1,268 meters) below the Atlantic seabed - and obtained a large sample that is offering clues about our planet's most voluminous layer. This cylindrical core sample, researchers said on Thursday, is providing insight into the composition of the upper part of the mantle and the chemical processes that occur when this rock interacts with seawater over a range of temperatur...

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