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Billions of years ago, parts of Greenland were a molten sea, a sharp contrast to the pale-blue ice seen there today. Researchers have now found isotope signatures of that burbling, primordial Earth in basalt rocks near Nuuk.
Billions of years ago, parts of Greenland were a molten sea, a sharp contrast to the pale-blue ice seen there today. Researchers have now found isotope signatures of that burbling, primordial Earth in basalt rocks near Nuuk.