Earth's fractured outer shell is in perpetual motion. While usually imperceptible to us surface dwellers, these pieces of a rocky jigsaw puzzle are constantly crashing together, diving beneath one ...
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How the tectonic plates were formed
Earth’s crust looks solid from the surface, but it is broken into a shifting mosaic of slabs that slowly rearrange oceans and continents. Understanding how those tectonic plates first formed is one of ...
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