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

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Earth's crust once formed a dense "root" supporting Colombia's northern Sierra Nevada de Santa Marta mountains, but new research suggests this prop sank into the mantle millions of years ago.

Roots' of Colombian mountains 'dripped' into the mantle millions of years ago — but the peaks still stand tall : Read more