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(Natural News) The medial zone of the Earth’s three-layered interior, the mantle is itself divided into upper and lower parts. Most experts believe that the lower mantle is dormant, but a recent European study found greater signs of dynamic activity in the region. The lower mantle starts 410 miles (660 km) beneath the crust of... |
Researchers find that the Earth's mantle is "more dynamic" than previously believed
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