New Meetup: Brian Wernicke: The Ancient California River and How it Carved the Grand Canyon

From: Dr. Brian H.
Sent on: Thursday, April 1, 2010 6:42 AM
Announcing a new Meetup for SoCal Science Cafe!

What: Brian Wernicke: The Ancient California River and How it Carved the Grand Canyon
URL: http://www.meetup.com/SoCal-Science-Cafe/calendar/13057394/

When: Wednesday, April 7,[masked]:00 PM

Where:
Beckman Auditorium, CalTech
1201 E California Blvd
Pasadena, CA 91125
(626)[masked]

This event is FREE



Presented by
Brian P. Wernicke, Chandler Family Professor of Geology, Caltech

Anyone who stands at the rim of Grand Canyon is confronted with one of the most humbling spectacles
in the solar system, a high, featureless plateau interrupted by a mile-deep chasm. Its origin has been
controversial ever since John Wesley Powell?s historic navigation of the Colorado River in 1869. A long-held consensus is that the canyon is six million years old and was carved by the river. This lecture will examine data collected over the last three years suggesting instead that the canyon was incised between 70 and 80 million years ago, by a river flowing in the opposite direction to the modern Colorado River.

The Watson Lecture Series featuring prominent Caltech researchers is named for the late EARNEST C. WATSON, who founded the series in 1922. He presented one of his most popular lectures, ?Liquid Air,? as one of the first programs at the new Beckman Auditorium, a gift of Arnold O. and Mabel Beckman, in October 1964.

All lectures are held on Wednesdays at 8:00 p.m. in Beckman Auditorium, which is located near Michigan Ave., south of Del Mar Blvd. Through a gift from the estate of Richard C. Biedebach, the Watson Lecture Series has expanded to nine lectures annually. ADMISSION IS FREE.

Seating Information: A minimum of 700 seats is available on a free, no-ticket-required, first-come, first-served basis, beginning at 7:30 p.m. each lecture evening.

Parking is free: Parking is available in the lots south of Del Mar Boulevard between Wilson and Chester Avenues, as well as in the parking structures at 341 and 405 South Wilson Avenue, and 370 South Holliston Avenue. Parking is free, with no permit required, after 5:00 p.m. on weekdays and all day on weekends.

DVDs AVAILABLE: Selected Watson Lectures are available for purchase on DVD. Visit www.events.caltech.edu/watson.

For Information: Call: (626)[masked] ? Web: www.events.caltech.edu ? e-mail: [address removed]
Our commitment to Patrons with disabilities: For information about our services, which include wheelchair seating and large-print programs, please call us at (626)[masked] or send an e-mail to [address removed] for information and assistance.

Mail Ticket Office, Caltech [masked]), 332 S. Michigan Ave., Pasadena, CA[masked]

Learn more here:
http://www.meetup.com/SoCal-Science-Cafe/calendar/13057394/

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