Ancient zircon crystals discovered in West Australia dated to 4.374 billion years … oldest piece of Earth found … abc.net.au/science/articl…
Ancient zircon crystals discovered in West Australia dated to 4.374 billion years … oldest piece of Earth found … abc.net.au/science/articl…
RT @Nightskyonline: Ancient zircon crystals discovered in West Australia dated to 4.374 billion years … oldest piece of Earth found … h…