Thursday, January 28: PHILIPP RUPRECHT - Lamont-Doherty Earth Observatory, Columbia University
"Decomposing Magma Mixing: Effects on Crystal Residence Time Scales and Eruptive Behavior"

Thursday, February 4: JILL VAN TONGEREN - Lamont-Doherty Earth Observatory, Columbia University
"The 'Ins' and 'Outs' of the Bushveld Complex Upper Zone"

Thursday, February 11: NO SEMINAR

Thursday, February 18: DAVID LONDON - University of Oklahoma
"Gem-bearing Pegmatites: Nature's "Fancy" Rocks"

Thursday, February 25: STEPHEN MOJZSIS - University of Colorado
"The Oldest Earth Rocks (4.02-3.75 Ga) and What They Tell us of the Nature of the Surface Environment"

Thursday, March 4: LUNAR AND PLANETARY SCIENCE CONFERENCE - NO SEMINAR

Thursday, March 11: BRUCE MARSH - Johns Hopkins University
"An Intimate Dynamic History of a Bimodal Magma Chamber: Isle au Haut, Maine"

Thursday, March 18: ANTONIO BUONO - Lamont-Doherty Earth Observatory, Columbia University
"Understanding Core Evolution through High Pressure Phase Equilibria"

Thursday, March 25, in the RGGS Classroom, 5th Floor: PAUL FALKOWSKI - Rutgers University
"Microbes, the Invisible Stewards of Earth"

Thursday, April 1: ANTONIO GARCIA CASCO - University of Granada, Spain
"Thermal Evolution of Subducted Slabs: A Metamorphic Perspective with Examples from the Northern Edge of the Caribbean Plate"

Thursday, April 8: NO SEMINAR

Thursday, April 15: NO SEMINAR

Thursday, April 22: JEFFREY POST - Smithsonian Institute
"Manganese Oxide Minerals: Soils to Synchrotrons"

Thursday, April 29: KENNET FLORES - American Museum of Natural History
"Mesozoic Plate Tectonic Limit Definition and Evolution in the Central American Circum-Pacific-Caribbean Region"

Thursday, May 6, in the RGGS Classroom, 5th Floor: DAVID JOHNSTON - Harvard University
"Evaluating Earth's Second 'Great Oxidation': A Closer Look at Neoproterozoic Ocean Chemistry and the Rise of Animals"

Thursday, May 13: KEVIN McKEEGAN - University of California, Los Angeles
"The Oxygen Isotopic Composition of Captured Solar Wind and Implications for the Early Solar System"

Thursday, May 20: ALEX DE VOOGT - American Museum of Natural History
"Migration in Stone: Conquest and Board Games in Antiquity"

Thursday, May 27: DAVID HOLLAND - New York University
"Glacier-Ocean Interaction in Greenland and Antarctica: Observations and Model Results"

Thursday, June 3: NO SEMINAR

Thursday, June 10: LEONID DANYUSHEVSKY - University of Tasmania
"Subduction Factory Unroofed: Submarime Magmatism at the Southern Termination of the North Fiji Backarc Basin, Southwest Pacific"