Saturday
1:00 pm - 5:00 pm
Arrival and Check-in
3:30 pm - 3:45 pm
Introductory Comments by GRC Site Staff / Welcome from the GRS Chair
3:45 pm - 4:30 pm
Keynote Session: Geobiological Records of Ancient Cataclysms
Discussion Leader: Michael Kipp (California Institute of Technology, United States)
3:45 pm - 3:50 pm
Introduction by Discussion Leader
3:50 pm - 4:20 pm
Nadja Drabon (Harvard University, United States)
"Carbon Isotope Stratigraphy of Banded Cherts Across the 3.26 Ga S2 Meteorite Impact Event"
4:20 pm - 4:30 pm
Discussion
4:30 pm - 6:00 pm
Poster Session
6:00 pm - 7:00 pm
Dinner
7:30 pm - 9:30 pm
Tracking Environmental and Evolutionary Changes Using Geobiology
New insights into topics such as recent and ancient climatic change, chemostratigraphy, and patterns of evolution and extinction.
Discussion Leader: Erica Barlow (Penn State University & Laboratory for Agnostic Biosignatures, United States)
7:30 pm - 7:35 pm
Introduction by Discussion Leader
7:35 pm - 7:50 pm
Jennifer Reeve (University of Colorado Boulder, United States)
"Cyanobacterial Evolution and the Great Oxidation Event: Impact of Environmental Changes in Salinity Tolerance"
7:50 pm - 7:55 pm
Discussion
7:55 pm - 8:10 pm
Adriana Rizzo (University of California, Riverside, United States)
"Investigating Biological and Chemical Heterogeneity in the Neoproterozoic Ocean: Constraining the Rise of Eukaryotes with Lipid Biomarkers"
8:10 pm - 8:15 pm
Discussion
8:15 pm - 8:30 pm
Silvina Slagter (Yale University, United States)
"Taphonomic Constraints on Preservation of the Ediacara Biota by Early Silica Cementation in Sandstones"
8:30 pm - 8:35 pm
Discussion
8:35 pm - 8:50 pm
Anna Waldeck (Northwestern University, United States)
"The Triple Oxygen Isotope (D’17O) Record of Phanerozoic Marine Sulfate Captures The Rise of Land Plants"
8:50 pm - 8:55 pm
Discussion
8:55 pm - 9:10 pm
Christopher Jones (University of California, Riverside, United States)
"Impact on the Sedimentary Microbial Community Related to Temporal Changes in Trace Element Concentrations"
9:10 pm - 9:15 pm
Discussion
9:15 pm - 9:30 pm
General Discussion
Sunday
7:30 am - 8:30 am
Breakfast
9:00 am - 11:00 am
The Limits of Life: New Developments in Biogeochemistry and Ecology
The latest research in areas including metabolic processes, biomineralization, and genetic studies.
Discussion Leader: Isabel Baker (Naval Research Laboratory, United States)
9:00 am - 9:05 am
Introduction by Discussion Leader
9:05 am - 9:20 am
Kalen Rasmussen (Colorado School of Mines, United States)
"Temporal and Spatial Variation in Actively Silicifying Hydrothermal Microbial Communities and Ramification in the Rock Record"
9:20 am - 9:25 am
Discussion
9:25 am - 9:40 am
Zoe Dietrich (University of Cambridge, United Kingdom)
"Dual Isotope Model Insights On The Nitrogen Cycling Network of Coastal Sediments"
9:40 am - 9:45 am
Discussion
9:45 am - 10:00 am
Annaliese Meyer (Woods Hole Oceanographic Institution, United States)
"Novel Applications of Molecular Dynamics Simulations for Pinpointing Mechanisms of Metal Isotope Fractionation in Biogeochemical Systems"
10:00 am - 10:05 am
Discussion
10:05 am - 10:20 am
Daniela Osorio Rodriguez (California Institute of Technology, United States)
"Microbial Cycling of Sulfur and Other Redox-Sensitive Elements in Porewaters of San Clemente Basin, California, and Cocos Ridge, Costa Rica"
10:20 am - 10:25 am
Discussion
10:25 am - 10:40 am
Robert Ulrich (University of California, Los Angeles (UCLA), United States)
"Element Incorporation Depicts Phyletic Patterns for Calcium Carbonate Biominerals"
10:40 am - 10:45 am
Discussion
10:45 am - 11:00 am
General Discussion
11:00 am - 12:30 pm
Poster Session
Coffee will be served in the poster area from 11:00 am - 11:30 am
12:30 pm - 1:30 pm
Lunch
1:30 pm - 2:30 pm
Geobiology Beyond Earth
Discussing ancient and modern Earth analogues for locations around the solar system, as well as relevant planetary missions.
Discussion Leader: Maeva Millan (LATMOS (Laboratoire Atmosphères, Observations Spatiales), Georgetown University, France)
1:30 pm - 1:35 pm
Introduction by Discussion Leader
1:35 pm - 1:50 pm
James Hall (MIT, United States)
"Role of Clay Minerals In The Preservation Of Organic Compounds In Martian Lacustrine Environments"
1:50 pm - 1:55 pm
Discussion
1:55 pm - 2:10 pm
Keyron Hickman-Lewis (The Natural History Museum, United Kingdom)
"Correlative Micro-Analytical Strategies For Biosignature Detection On Mars: A Proof of Concept Using Palaeoarchaean Microbialites"
2:10 pm - 2:15 pm
Discussion
2:15 pm - 2:25 pm
General Discussion
2:25 pm - 2:30 pm
Closing Remarks
2:30 pm - 3:00 pm
Evaluation Period
Complete the GRS Evaluation Forms; Election of Future Chair(s)
3:00 pm
Seminar Concludes
