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2008 GL Seminars

December 8, 2008
Tim Filley- Purdue University
“Pertuation-driven changes soil organic matter dynamics”

December 3, 2008
Sandro Scandolo Trieste, Italy
“Quantum simulations of matter at extreme conditions”

November 17, 2008
Richard Coffin-Naval Research Laboratory
“Shallow sediment carbon cycling over deep methane rich coastal sediments”

November 10, 2008
Michael Eremets Max Planck-Institute for Chemistry, Mainz
“Hydrogen in hydrogen dominant materials at megabar pressures”

November 3, 2008
Igor Mazin-Naval Research Laboratory
“Charge ordering as alternative to Jahn-Teller distortion”

October 27, 2008
Nora Noffke- Old Dominion University
“Turbulent lifestyle: Cyanobacteria on Earth's sandy beaches - today and 3 billion years ago”

October 20, 2008
Dimitri Sverjensky-Johns Hopkins University and Geophysical Laboratory, Carnegie Institution of Washington
“Molecular surface geochemistry: a new approach to the origin of life”

October 14, 2008
Muhammed Yousufuddin-NIST
“Neutron Diffraction Studies of Hydrogen Storage Materials”

October 6, 2008
Steve Shirey-Department of Terrestrial Magnetism,Carnegie Institution of Washington
“Geological processes in the Earth's mantle: evidence from diamonds and inclusions in diamonds”

September 22, 2008
John Tossell-University of Maryland
“CO2 capture and sequestration”

September 15, 2008
Tetsuya Komabayashi-Geophysical Laboratory, Carnegie Institution of Washington
“Tetsuya Komabayashi: Experimental and theoretical study of phase relations of pure iron to the center of the Earth”

September 8, 2008
Seth Newsome- Geophysical Laboratory, Carnegie Institution of Washington
“Using stable isotopes to investigate individual diet specialization in California sea otters (Enhydra lutris nereis)”

July 24, 2008
Liane Benning-University of Leeds, U.K.

July 7, 2008
Anat Shahar-UCLA
“Non-traditional Stable Isotope Fractionation Mechanisms: From Dust to Planets”

June 30, 2008
Boaz Luz-Hebrew University, Israel
“Water isotope ratios in Vostok Antarctica and humidity variations between glacials and interglacials”

June 23, 2008
Dionysis Foustoukos-Geophysical Laboratory, Carnegie Institution of Washington
“Serpentinization and food sources for deep-sea microbial ecosystems”

June 13, 2008
Edwin Schauble-UCLA
“Isotopic signatures of oxidation and reduction at the bottom of the periodic table”

June 12, 2008 
Paul McMillan-University College, London
“High pressure solid state chemistry: materials, planetary science and biology”

June 10, 2008 
Huiming Bao-Louisiana State University
“Atmospheric CO2 and O2 concentrations in deep time: Direct evidence”

June 9, 2008 
Leonid Dubrovinsky-Universitat Bayerisch, Bayreuth, Germany
“Is spin transition zone in Earth's lower mantle chemically distinct?”

June 6, 2008 
Zachary Sharp-University of New Mexico
“Chlorine Isotope Geochemistry”

June 2, 2008 
Sanchayan Neal Gupta-MIT/Yale University
“Preservation of sedimentary organic matter by in situ polymerisation: an analytical and experimental approach”

May 30, 2008 
Allan Treiman-Lunar and Planetary Institute, Houston
“The amphibole-rich chondrite LAP 04840: A glimpse at hydrogen in the early solar system”

May 29, 2008 
James Lyons-University of Southern California
“Mass-independent fractionation of oxygen and sulfur isotopes in atmospheres”

May 27, 2008 
Felisa Wolfe-Simon-Harvard University
“Geobiochemical evolution of the metalloproteome: Physiological proxies and biochemical inertia”

May 22, 2008 
Jie (Jackie) Li-University of Illinois – Urbana-Champaign
“Investigating planetary cores with photons”

May 19, 2008 
Ed Young-University of California, Los Angeles
“Non-traditional applications of stable isotopes: Bugs to stars and things in between”

May 12, 2008 
Sean Solomon-Department of Terrestrial Magnetism, Carnegie Institution of Washington
“A fresh look at the First Rock: MESSENGER's Mercury flyby”

May 5, 2008 
Bridget Bergquist-University of Toronto
“Mass dependent and mass independent fractionation of mercury isotopes”

April 28, 2008 
Sergey Bud’ko-Ames Laboratory, Department of Energy
“Magnetic field induced quantum criticality in ytterbium-based heavy fermion materials”

April 21, 2008 
Yuri Shvydko-APS, Argonne National Laboratory
“Inelastic X-ray Scattering with Momentum Resolution. Capabilities at APS”

April  14, 2008 
Rhonda Stroud-Naval Research Laboratory
“Nanoastronomy: the microscopy of supernova dust”

April  7, 2008 
Giora Proskurowski -Woods Hole Oceanographic Institution
“New thoughts on the isotopic determination of methane sources in hydrothermal systems”

April  3, 2008 
James Farquhar-University of Maryland
“Applications of sulfur isotopes to geochemical systems”

March 31, 2008 
Jonathan Crowhurst-Lawrence Livermore National Laboratory
“Chemistry and physics under extreme conditions: Characterization of known and novel systems, elasticity of metals and minerals, shock-loading combined with compression”

March 24, 2008 
Sergei Stishov-IHPP, Russian Academy of Sciences
“Experimental study of magnetic phase transition in the itinerant helimagnetMnSi at ambient and high hydrostatic pressure”

March 17, 2008 
Mike Rolland-Naval Research Laboratory
“What governs the dynamics of vitrifying liquids and polymers”

March 10, 2008 
Vladimir Kutcherov-Royal Institute of Technology (Stockholm),
Moscow State Academy for Fine Chemical Technology
“Concept of abyssal, non-biotic petroleum origin:From geological theory to physical theory”

March 5, 2008 
Dominic Papineau-Geophysical Laboratory, Carnegie Institution of Washington
“Graphite in Eoarchean metasediments from Akilia: A controversial story with new directions”

February 20, 2008** 
John Janik (2 pm)-Florida State University
“Opportunities in Diamond: Challenges and Crystal Growth”

February 19, 2008  
Jonathan  Crowhurst-Lawrence Livermore National Laboratory, CA
“Chemistry and Physics under extreme conditions: Characterization of known and novel systems, elasticity of metals and minerals, shock-loading combined with precompresion ”

February 25, 2008 
Shohei Ohara-Tohoku University, Japan
“Effects of pressure, minerals and water contents on the polymerization of glycine: Implications to pre-biotic peptide formation in the Hadean oceanic crust”

February 14, 2008** 
Ryan Stewart Williams (2 pm)-UC Berkeley
“Probing planetary interiors with the largest lasers on Earth”

February 14, 2008 
Ekhard Salje-University of Cambridge
“(An-) elastic damping of seismic waves: What microstructures can tell us”

February 13, 2008** 
Paul Craddock (2 pm)-Woods Hole Oceanographic Institution, MA
“Geochemical tracers of processes affecting the formation of hydrothermal fluids and related mineral deposits”

February 12, 2008 
Weifu Guo-CalTech
“Kinetic isotope effects during carbonate clumped isotope fractionation and quantitative speleothem thermometry”
February 11, 2008 
Tim Strobel-Colorado School of Mines
“Clathrates of hydrogen: structure, stability, dynamics and application towards energy storage”

February 8, 2008 
Wenjun Yong-University of Michigan
“Calorimetric Studies of Minerals under Mantle Conditions and Related Phase Equilibria”

February 7, 2008 
Morgana Martin-Georgia Institute of Technology
“Dynamic Mechanical Properties and High Pressure Phase Stability of a Zr-based Bulk Metallic Glass”

February 5, 2008 
Adam Wallace-Virginia Tech
“Silica biomineralization: Recent discoveries, new insights, and future directions”

February 4, 2008 
Mary Voytek-USGS
“Biogeochemical evidence for in situ microbial metabolism in the Chesapeake Bay impact structure”

January 29, 2008 
Li Zhang-Geophysical Laboratory, Carnegie Institution of Washington
“Melting experiments on lower mantle materials at high pressure”

January 28, 2008
Abby Kavner-UCLA
“Earth Electrochemistry: Geochemical Signatures of Redox Reactions”

January 22, 2008
Raja S. Chellappa-Geophysical Laboratory, Carnegie Institution of Washington
“High Pressure-Temperature Tuning and Synthesis of Novel Hydrogen Storage Materials”     

January 14, 2008 
Wen-lu Zhu-Department of Geology, University of Maryland
“Strain Localization and Fluid Flow in the Crust”

January 7, 2008
Ashraf Ali-NASA Goddard Space Flight Center
“Formation of Silicate Grains in Accretion Disks and Stellar Outflows: Experiment, Theory, and Observations”