mercredi 17 août 2011

About 1.1 billion years ago, what are now El Paso, Texas, and Antarctica appear...

About 1.1 billion years ago, what are now El Paso, Texas, and Antarctica appear to have existed side by side, scientists say.


Texas and Antarctica Were Attached, Rocks Hint -- National Geographic
news.nationalgeographic.com
The find is part of a decades-long effort to piece together fragments of an ancient supercontinent that existed before Pangaea. Pangaea began to break apart about 225 million years ago due to geological processes related to plate tectonics, which eventually spread Earth's landmasses into the contine...

Source: National Geographic's Facebook Wall

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