Four billion years ago, the surface of the Earth was a battleground of chaos lava flows, meteorite impact, and tectonic writhing constantly destroyed new skin of the planet. But in all this geologic ...
The Mid-Atlantic Ridge in Iceland. This area is the boundary between the North American and Eurasian tectonic plates, which move apart ~ 2.5 cm/year. Subduction and the formation of continents, a ...
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