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Environmental Geology & Geochemistry Seminar (EGGS) Lecture Series

Spring 2019

February 7

Jennifer Druhan, The University of Illinois at Urbana-Champaign, "Microbes, Minerals and Mixing: Revising Rayleigh models for isotope fractionation in natural porous media" (abstract)

February 14

Jacob Waldbauer, University of Chicago, "A Proteomic Window into the Viral Nitrogen Cycle" (abstract)

February 21

Anne-Sofie Ahm, Princeton University, "The Geochemical Record of a Snowball Earth"(abstract)

February 28

Jim Schiffbauer, University of Missouri, "Through the taphonomic lens: Witnessing the dawn of animals at the Ediacaran-Cambrian transition" (abstract)

March 7

Xin Sun "Deciphering (An)aerobic Nitrite Oxidation in Oxygen Minimum Zones" (abstract) and Rachel Harris, “Hiding in plain sight? Tracing cryptic anaerobic methane oxidation to the cosmopolitan deep biosphere phylum “Candidatus Bathyarchaeota” (abstract) Princeton University

March 14

Clara Fuchsman, University of Maryland, "Cyanobacteria and cyanophage populations fuel nitrogen loss in an oligotrophic oxygen deficient zone" (abstract)

March 28

Ryan Sullivan, Carnegie Mellon University

April 4

Brian Mailloux, Barnard College, Columbia University

April 11

Morgan Schaller, Rensselaer Polytechnic Institute

April 18

Sarah Hurley, University of Colorado, Boulder, "Microbial biosignatures in deep time: physiological implications and evolutionary innovations" (abstract)

April 25

Joy Ward, University of Kansas

May 9

David Hodell, Cambridge University, UK, "Persistent instability of glacial climate and in the North Atlantic for the Past 1.5 Million Years" (abstract)

All seminars are held on Thursday at 12:30 p.m. in Guyot 220 unless otherwise noted.

Questions or comments? Contact Ashley Maloney ( or Jared Wilmoth (