Spring 2012, Penn State Department of Geosciences Seminar
Speaker Lunch Discussion Paper Discussion Group
    Tuesday 17 Jan 4 pm 22 Deike Bldg.

 Terry Jordan, Cornell University

 Co-Evolution of the Atacama Desert and the Central Andes Mountains



 Nester & Jordan, Tectonics of Sedimentary Basins, 2012

The Pampa del Tamarugal forearc basin in Northern Chile: the interaction of tectonics and climatexs



Tues. 17 Jan
    Tuesday 24 Jan 4 pm 22 Deike Bldg.

 Greg Beroza Stanford University

 A Mechanism for Extreme Slip and Exceptional Tsunamigenesis in the 2011 Tohoku-oki Earthquake



 Ide, Baltay and Beroza, Science, 2011

Shallow Dynamic Overshoot and Energetic Deep Rupture in the 2011 Mw 9.0 Tohoku- Oki Earthquake



Tues. 24 Jan.
    Tuesday 31 Jan 4 pm 22 Deike Bldg.

 Richard Alley Penn State

 Down to the sea in slips: How a lot of Penn Staters are helping figure out where the beaches will be



 Alley et al., Science 2008 Science Perspective

 Joughlin and Alley, Nature Geosci 2011 Stability of the West Antarctic ice sheet in a warming world


Tue. 31 Jan.
    Tuesday 7 Feb 4 pm 22 Deike Bldg.

 Heather Savage Lamont-Doherty - Columbia University

 What can dead plants tell us about earthquakes?



 Polissar, Savage, and Brodsky, EPSL 2011

Extractable organic material in fault zones as a tool to investigate frictional stress



Tue. 7 Feb.
    Tuesday 14 Feb 4 pm 22 Deike Bldg.

 Mark Patzkowsky Penn State

 Look Local, Think Global: Local and Regional Controls on Global Phanerozoic Diversity



  Patzkowski and Holland, 2007, Paleobio

Diversity Partitioning of a Late Ordovician Marine Biotic Invasion: Controls on Diversity in Regional Ecosystems



Tue. 14 Feb.
    Tuesday 21 Feb 4 pm 22 Deike Bldg.

 Bill McDonough University of Maryland

 Geoneutrinos and Heat Production in the Earth: Constraints and Implications



 McDonough et al., 2012, Physics Today, 2012.

Electron Anti-neutrinos: the Nexus for Physics, Geology and Nuclear Security,



Tue. 21 Feb.
    Tuesday 28 Feb 4 pm 22 Deike Bldg.

 Neyda Abreu Penn State Dubois

 Fossils from a Collapsing Protoplanetary Disk: Mineralogical and Petrological Studies of Primitive Carbonaceous Chondritic Meteorites



 tbd tbd



Tue. 28 Feb.
    Tuesday 13 Mar 4 pm 22 Deike Bldg.

 Ramon Arrowsmith Arizona State University

 When did the Atacama Desert Become Dry? Geological Evidence for a Late Pliocene Drying



 tbd tbd



Tue. 13 Mar.
    Tuesday 20 Mar 4 pm 22 Deike Bldg.

 Danny Sigman Princeton University

 The Isotopic Composition of Nitrogen in Foraminifera Shells: Applications in Paleobiogeochemistry



 Sigman et al., Nature, 2010.

The polar ocean and glacial cycles in atmospheric CO2 concentration



Tue. 20 Mar.
    Tuesday 27 Mar 4 pm 22 Deike Bldg.

 Audrey Sawyer University of Delaware

 Dynamic Groundwater Responses to Currents, Tides, and Waves in a Shallow Estuary



  Sawyer and Cardenas, Water Resour. Res. 2009

Hyporheic flow and residence time distributions in heterogeneous cross-bedded sediment



Tue. 27 Mar.
    Tuesday 3 April 4 pm 22 Deike Bldg.

 Bryan Kaproth Penn State

 Deines Lecture

 Title: tbd



 Kaproth et al., JGR 2010

Deformation band formation and strength evolution in unlithified sand: The role of grain breakage



Tue. 3 April
    THURSDAY 12 April 4 pm 22 Deike Bldg.

 Ron Amundson (tentative) UC Berkley

 Title: tbd



 Ewing et al., 2006 A Threshold in Soil Formation at Earth's Arid-hyperarid transition

 Amundson et al, 2008 On the in situ Aqueous Alteration of Soils on Mars



THU. 12 April
    Tuesday 17 April 4 pm 22 Deike Bldg.

 Shanan Peters University of Wisconsin

 Phanerozoic Earth System Evolution and Marine Biodiversity



 Hannisdal and Peters, Science, 2011

Phanerozoic Earth System Evolution and Marine Biodiversity



Tue. 17 April
    Tuesday 24 April 4 pm 22 Deike Bldg.

 Darlene Lim NASA Ames

 Exploration Concepts for Field Science on Earth and Beyond



  Geological Society of America Special Paper, 2012

An historical overview of the Pavilion Lake Research Project: Analog science and exploration in an underwater environment



Tue. 24 April