GEOLOGY NEWS, NEW ON THE WEBAt 4.4 Billion Years Old, Oz Crystals Confirmed As World's Oldestnpr.org Scientists have used a powerful new technique to prove that some tiny crystals found in Western Australia are indeed the oldest known materials formed on Earth. READ MORE Related February 24, 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 Survey2014-02-24 15:44:122016-08-10 16:40:39At 4.4 Billion Years Old, Oz Crystals Confirmed As World's Oldest