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SLAS Regular Meeting
Friday, April 21, 2017 7:30pm
McDonnell Hall, Washington University

Uncovering A Missouri Meteorite Crater:
The Weableau Impact Structure

by
Dr. Kevin R. Evans
Missouri State University

While many craters on the Moon are visible in even small telescopes, craters on the Earth are far fewer and much harder to see. Most of them have been covered up by erosion, movement of the Earth’s surface, and vegetation. Some ancient craters have been uncovered by geologists who have precisely mapped the surface and analyzed unusual rock formations and composition. One such crater, thought to have formed over 340 million years ago, is hidden away in Saint Clair County, Missouri. It is the Weableau Impact Structure, named for the nearby town, which is about 50 miles north-northwest of Springfield, Missouri. Dr. Evans has mapped the central crater and studied the broken and melted rocks formed in that ancient impact. He will talk about how he studies Earth’s ancient craters, and what he has discovered about the Weableau.

Kevin Evans is a professor in the Department of Geography, Geology, and Planning at Missouri State University, Springfield, MO. His research interests include meteorite impacts, carbonate depositional systems, and sequence stratigraphy.


ASTRO 101: Solar Eclipse Filters


Upcoming Meetings:

May - Kara Kundert - Cosmic Epoch of Re-Ionization "Skype" - University of California - Berkeley
June: Eclipse Panel Discussion *Note: NOTE THAT THIS MEETING SITE IS IN CONJUNCTION WITH THE ECLIPSE EXPO TO BE HELD AT QUEENY PARK ON JUNE 17, 2017
July: Ryan Clegg-Watkins, PhD - Exploring the Moon from Orbit: Paving the Way for Future Astronaut Explorers - Washington University
August: TBA
September SLAS Collective - Solar Eclipse Results
October: TBA
November: William McKinnon, PhD PLUTO Washington University
December: Amy E Kimball - Skype Event - Radio Quasars & the VLA

 

Meeting Agenda

Welcome

Parking

Introduction of Officers and Visitors

Main Speaker:  Dr. Kevin Evans

Astro 101:  Solar Eclipse Filters

Nominations for SLAS Elections next Month.

Eclipse Expo Saturday, June 17, 2017
Click here for your FREE ticket to the Expo

Meeting for June moved to Queeny Park (site of the Eclipse Expo)

Eclipse Task Force Update

Star Parties: April/May is BUSY!

Sky Orienteering 6:00 pm Sunday

Neil deGrasse Tyson Raffle  LAST CHANCE !!!

Galileoscope Eclipse Viewer for Library Telescopes

SLAS Coffee Mugs for Sale!

Other Announcements

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