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Cedarville University Professor to Present Grand Canyon Research

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Cedarville University Professor to Present Grand Canyon Research

by Public Relations Office

October 28, 2004

Cedarville, Ohio- Dr. John Whitmore, a resident of Cedarville and associate professor of geology at Cedarville University, will present his research findings on the Coconino Sandstone of the Grand Canyon at the 116th annual meeting of the Geological Society of America. The meeting will be held Nov. 7-10 at the Colorado Convention Center in Denver, where approximately 6,200 geoscientists are expected to attend. For 70 years, geoscientists have believed that sand-filled cracks found in the Coconino Sandstone of the Grand Canyon were mud cracks. Upon closer examination, Whitmore discovered several previously unnoted characteristics that open the mud crack theory to questioning. Whitmore believes the cracks would better be explained as clastic dikes, features that form when sand is forcibly injected while in a liquefied state. This study is part of a growing body of evidence that the Coconino was deposited underwater. For more information, contact Whitmore at johnwhitmore@cedarville.edu. -30-