| ABC Online A tiny gem found on an outback sheep station in Western Australia has been declared the oldest known piece of our planet. The zircon is said to be 4.4billion years old and was found by geoscience professor John Valley from the University of Wisconsin in the … 4.4 billion-year-old crystal is oldest piece of EarthCNN Scientists identify oldest crystal on Earth — 4.4 billion years oldLos Angeles Times Earth’s Oldest Crust Dates to 4.4 Billion Years AgoNational Geographic The Escapist –Slate Magazine –Ars Technica all 209 news articles |
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