21st Century detective work reveals how ancient rock got off to a hot start

(PhysOrg.com) -- A new X-ray technique has enabled scientists to "play detective" and solve the debate about the origins of a three-billion-year-old rock fragment.

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<p><a href="http://www.physorg.com/news145203457.html">21st Century detective work reveals how ancient rock got off to a hot start</a></p> <p>(PhysOrg.com) -- A new X-ray technique has enabled scientists to "play detective" and solve the debate about the origins of a three-billion-year-old rock fragment.</p>