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Scientists just uncovered that Earth had continents and mountains way before plate tectonics
Microscopic zircon crystals discovered in Western Australia suggest that Earth may have had continental crust as early as 4.4 ...
Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Plate tectonics may have ...
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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