View Full Version : Oldest Impact Crater on Earth Discovered in Greenland

2012-Jun-29, 07:10 PM
With shifting continents, rain, and wind, finding traces of ancient impact craters on Earth has been, literally, astronomically low. Now, an international team of scientists say they have found a massive impact crater in Greenland a billion years older than other known asteroid impact on Earth. Scientists found the remains of the giant 100-kilometer (62 [...]

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