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Contact: Bill Parker, (928) 524-6228 ext. 262
Petrified Forest National Park Learning Center Lecture Series, June 2007
Petrified Forest, AZ ― Geologist Dr. Nancy Riggs of Northern Arizona University will be providing an hour-long presentation titled “How old is the Petrified Forest?” as part of the park’s ongoing Learning Center Lecture Series. The lecture will discuss the use of isotopic dating to determine the age of ancient rocks, with emphasis on the Chinle Formation of Petrified Forest National Park. The lecture will begin at 10:00 a.m. on Wednesday, June 6, and will be held at the Painted Desert Visitor Center Community Building in Petrified Forest National Park. The Painted Desert Visitor Center is located at Exit 311 on Interstate Highway 40. This lecture is open to the public and admission is free.
The Petrified Forest National Park Learning Center was established to bring park visitors and researchers together to foster understanding and appreciation of the natural and cultural resources of the park and the Colorado Plateau. Lectures are held the first Wednesday of each month on a variety of topics including geology, paleontology, archaeology, and biology.
For more information call (928) 524-6228 weekdays, 8:00 a.m. to 4:00 p.m. Mountain Standard Time; or write to the Superintendent, Petrified Forest National Park, P.O. Box 2217, Petrified Forest, AZ 86028; or e-mail the park.