Spring 2013, Penn State Department of Geosciences Seminar
Speaker Lunch Discussion Paper Discussion Group
    Tuesday 15 Jan, 4 pm 22 Deike Bldg.

 Christie Rowe, McGill University

 Subduction Megathrusts in the Rock Record



  Rowe et al., Geological Society, London, Special Publications 2011 Textural record of the seismic cycle: strain-rate variation in an ancient subduction thrust


Tue. 15 Jan
    Tuesday 22 Jan, 4 pm 22 Deike Bldg.

 Nadine McQuarrie University of Pittsburgh

 Accommodating Convergence in the Eastern Himalaya: The Impact of Variable Slip Rates on Orogen Scale Strain



 Robinson and McQuarrie, 2012 Pulsed deformation and variable slip rates within the central Himalayan thrust belt


Tue. 22 Jan
    Tuesday 29 Jan, 4 pm 22 Deike Bldg.

  Jennifer Balch Dept. of Geography, Penn State

 Frontier fire in the Amazon: Local to global consequences of human-altered fire regimes in tropical forests



 Bowman, Balch et al. Science 2009 Fire in the Earth System



Wed. 30 Jan
    Tuesday 5 Feb, 4 pm 22 Deike Bldg.

 Christopher Gorski Penn State Dept of Civil and Environmental Engineering

 Measuring mineral redox properties.


 Gorski et al., Environ. Sci. Technol. 2012    Redox Properties of Structural Fe in Clay Minerals. 2. Electrochemical and Spectroscopic Characterization of Electron Transfer Irreversibility in Ferruginous Smectite, SWa-1



Tue. 5 Feb
     Monday 11 Feb, 4 pm          301 STEIDLE

 Matthew J. Kohn Boise State University

 Making the Himalaya: Oozing, Squashing or Sliding?

  Mineralogical Society of America Distinguished Lecturer


 Kohn, GSA Bulletin, 2008 P-T-t data from central Nepal support critical taper and repudiate large- scale channel flow of the Greater Himalayan Sequence


Monday 11 Feb
    Thursday 14 Feb, 4 pm 22 Deike Bldg.

 Andrew Luhmann University of Minnesota

 Water Temperature as a Tracer in Karst Aquifers



Thurs 14 Feb
    Tuesday 19 Feb, 4 pm 22 Deike Bldg.

 Benjamin Mirus USGS, Menlo Park

 Towards improved simulation of coupled groundwater / surface water flow systems



Wed. 20 Feb
    Thursday 21 Feb, 4 pm 22 Deike Bldg.

 Nathaniel Warner, Duke University

  Evaluating Possible Environmental Impacts from Shale Gas Development and Hydraulic Fracturing



Fri. 22 Feb
    Tuesday 26 Feb, 4 pm 22 Deike Bldg.

 Crystal Ng USGS, Menlo Park





Wed. 27 Feb


Spring Break




    Tuesday 12 Mar, 4 pm 22 Deike Bldg.

 James R. Rice    Harvard University

 Antarctic Ice Streams: Could marginal melting control their width?



 Perol and Rice, JGR, in Press, 2013
Control of the width of active Western Antarctic Siple Coast ice streams by internal melting at their margins



Tue. 12 Mar
    Tuesday 19 Mar, 4 pm 22 Deike Bldg.

 James Brenan University of Toronto

 Experimental constraints on late accretion of the Earth and Moon



 Bennett and Brenan, EPSL, 2013
Controls on the solubility of rhenium in silicate melt: Implications for the osmium isotopic composition of Earth's mantle



Tue. 19 Mar
    Tuesday 26 Mar, 4 pm 22 Deike Bldg.

 Youyi Ruan Brown University

 Cyber-enabled Seismology: Imaging 3-D Anelasticity and Wavespeed Structures of the Earth's Deep Interior



  Abstract for the talk Cyber-enabled Seismology


Wed. 27 Mar
    Thursday 28 Mar, 4 pm 22 Deike Bldg.

 Margarete Jadamec Brown University

 Implications of a Strain Rate Dependent Viscosity on Three-Dimensional Subduction Processes



  Abstract for the talk Strain Rate Dependent Viscosity and Subduction



Fri. 29 Mar
    Tuesday 2 Apr, 4 pm 22 Deike Bldg.

 Bob Kopp Rutgers University

 Interpreting the noisy geological record of ancient sea level changes: What can the Quaternary tell us about ice sheet stability?

  Abstract for the talk Noisy Geologic Records and Ice Sheet Stability



Wed. 3 Apr,
    Thursday 4 Apr, 4 pm 22 Deike Bldg.

 Christelle Wauthier Carnegie Institution of Washington

 Magma-tectonic interactions revealed by satellite geodesy and modeling

  Abstract for the talk Magma-tectonic interactions



Fri. 5 Apr
    Tuesday 9 Apr ,4 pm 22 Deike Bldg.

 Pennilyn Higgins University of Rochester

  Flexing Your Mussels: Climate and Environmental Change Associated with the PETM



 Higgins, PalArch's Journal of Vertebrate Palaeontology, 2012
Climate Change at the Paleocene-Eocene Boundary: New Insights from Mollusks and Organic Carbon in the Hanna Basin of WyominG


Tue. 9 Apr
    Tuesday 16 Apr, 4 pm 22 Deike Bldg.

 Brian Toon University of Colorado

  The Effects of Impacts on Planetary Climates: From Dead Dinosaurs on Earth to the River Valleys on Mars



 Toon, Segura, and Zahnle, Annu. Rev. Earth Planet. Sci., 2010
The Formation of Martian River Valleys by Impacts


Tue. 16 Apr
    Tuesday 23 Apr, 4 pm 22 Deike Bldg.

 Beth Herndon The Pennsylvania State University

  2012 Peter Deines Memorial Lecture

 Movement of manganese contamination through the Critical Zone



 Herndon et al 2011 Soils Reveal Widespread Manganese Enrichment from Industrial Inputs


Monday 22 Apr