john valley, Tag

Oldest Fragment of Earth Ever Found is Confirmed to be 4.4 Billion Years Old Tue, 25 Feb 14, 8:20am
If you thought that diamonds were forever, they have absolutely nothing on the zircon of Jack Hills, Australia. Professor of geoscience at the University of Wisconsin, John Valley has confirmed that this bit of Earth's crust...
Popular Related Tags: news, geoscience, atom-probe tomography, earths oldest fragment, jack hills, global development, geology, university of wisconsin-madison, australia, zircon
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