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Articles on Mantle

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Material from the Earth’s core has been leaking into the mantle through activity that led to volcanic eruptions such as that helped form the Hawaiian islands. EPA/Bruce Omori/Paradise Helicopters

Earth’s core has been leaking for billions of years

New findings suggest the core has been leaking for the past 2.5 billion years, and that could help scientists understand how the core was formed.
Photographed on Kangaroo Island, this rock – called a ‘zebra schist’ – deformed from flat-lying marine sediments through being stressed by a continental collision over 500 million years ago. Dietmar Muller

How Earth’s continents became twisted and contorted over millions of years

Giant forces slowly move continents across a viscous layer of the Earth, like biscuits gliding over a warm toffee ocean. This stresses the continents, and twists and contorts the crust.

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