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mantle

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eshrag
0 20

‘Roots’ of Colombian mountains ‘dripped’ into the mantle millions of years ago — but the peaks still stand tall

A Colombian mountain range has lost its “roots” — a wedge of Earth’s crust that once propped it up but…
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eshrag
0 44

Mystery blobs in Earth’s mantle may be linked to ancient gold and platinum that arrived from space

Scientists may have finally figured out why Earth’s precious metals appear close to the surface, despite being so dense they…
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