New data finds regions of North America have remained extremely stable for more than one billion years
Friday, January 6, 2012 - 07:31
in Earth & Climate
Like lines in a deeply weathered face, the cracks and fissures in the Earths crust reveal a long and tumultuous lifetime. Massive continent-bearing plates have come together and broken apart, setting off earthquakes and volcanic eruptions that have fragmented underlying rock, changing the face of the planet over billions of years.