Gaius Posted February 24, 2014 Share Posted February 24, 2014 This is exciting stuff -BBC News, 24 February 2014Crystal is 'oldest scrap of Earth crust'A tiny 4.4-billion-year-old crystal has been confirmed as the oldest fragment of Earth's crust. The zircon was found in sandstone in the Jack Hills region of Western Australia. Scientists dated the crystal by studying its uranium and lead atoms. The former decays into the latter very slowly over time and can be used like a clock. The finding has been reported in the journal Nature Geoscience.Full story - http://www.bbc.co.uk/news/science-environment-26324968Cheers Beers & GoldChuck Quote Link to comment Share on other sites More sharing options...
Nugget Shooter Posted February 25, 2014 Share Posted February 25, 2014 Thanks for the great read, cool Quote Link to comment Share on other sites More sharing options...
Rider Posted September 4, 2014 Share Posted September 4, 2014 Very Interesting, Thank you. Quote Link to comment Share on other sites More sharing options...
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