Wayne Ranney http://knau.org en Pondering The Age Of The Grand Canyon http://knau.org/post/pondering-age-grand-canyon <p>Last month geologists published a paper in the<a href="http://www.sciencemag.org/content/early/2012/11/28/science.1229390.full?sid=356f59a4-56d4-4834-870a-7cb199c2ee6d"><u><font color="#0066cc"> journal Science</font></u></a> that concluded the Grand Canyon -- or at least part of it -- is much older than most researchers think. Wed, 12 Dec 2012 22:53:19 +0000 Laurel Morales 24566 at http://knau.org Pondering The Age Of The Grand Canyon