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

A new technique using X-rays 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/news143295407.html">21st century detective work reveals how ancient rock got off to a hot start</a></p> <p>A new technique using X-rays has enabled scientists to play 'detective' and solve the debate about the origins of a three billion year old rock fragment.</p>