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Caltech

Geological and Planetary Sciences Seminar

Monday, December 1, 2008
4:00pm to 5:00pm
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Arms 155 (Robert P. Sharp Lecture Hall)
The Great Mass Extinction—A Sudden Event or a Slow Moving Train-Wreck?
Roger Summons, faculty member in geology and geochemistry, Caltech, and professor of geobiology, MIT,
"The Great Mass Extinction—A Sudden Event or a Slow Moving Train-Wreck?" Roger Summons, faculty member in geology and geochemistry, Caltech, and professor of geobiology, MIT.
For more information, please contact Kimberley Klotz by phone at 626-395-6238 or by email at [email protected].