NEW ON THE WEBHow Did Earth's Tectonic Plates Form? Scientists Offer New Explanationhuffingtonpost.com Earth’s tectonic plates may have taken as long as 1 billion years to form, researchers report today in Nature. READ MORE Related April 7, 2014 https://geology.utah.gov/wp-content/uploads/ugs-logo-large.png 0 0 Utah Geological Survey https://geology.utah.gov/wp-content/uploads/ugs-logo-large.png Utah Geological Survey2014-04-07 17:32:462016-08-10 16:39:55How Did Earth's Tectonic Plates Form? Scientists Offer New Explanation