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Electronic Field Trip Through Geologic Time

Dr. Frank Ettensohn, a University of Kentucky geologist, leads students on an exploration of Letcher County's Pound Gap. At this cut-through near Jenkins, weathering and erosion have exposed layers of rock dating back to the Devonian Period, including abundant brachiopod fossils. Ettensohn and science teacher Kim Alexander show how to identify and date rocks, point out examples of various types, and explain how rocks are classified. A 1999 KET production.

LENGTH: 00:55:15
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