The continents of North and South America show but little sympathy in their earthquake movements ; it is very rarely that any shock which has affected the one has influenced the other. The southern ...
Researchers have discovered that the underside of the North American continent is dripping away in blobs of rock—and that the remnants of a tectonic plate sinking in Earth's mantle may be the reason ...
A study published in the journal Nature Geoscience has revealed a subtle yet significant phenomenon beneath the North American continent; its ancient bedrock is slowly dripping into the Earth’s mantle ...
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