North American Plate Shattered Speed Records — a Billion Years Ago

image84651-scolNorth America traveled in fast company back in its youth. A new study led by Michigan Technological University geophysicist Aleksey Smirnov reveals that 1.1 billion years ago, the North American tectonic plate scooted along at a blistering 24.6 centimeters—about 10 inches—per year.

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