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News Release 05-188

New Method of Dating Oceanic Crust Is Most Accurate So Far

Discovery hinges on presence of tiny crystals called zircons

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Tiny crystals called zircons are used to date oceanic crust.

Tiny crystals called zircons, used to date oceanic crust, are relatively common in rocks known as gabbros.

Credit: Michael John Cheadle, University of Wyoming

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