The ca. 1 Ga record of early eukaryotic evolution and ocean oxygenation in northeastern Canada

 

 

 

 

Late Proterozoic Stratigraphy of Northwestern Canada and its Record of Earth System Evolution

 

 

 

 

On the onset of Cryogenian snowball glaciation

 

 

 

 

Ocean Oxidation and the Biosphere During Neoproterozoic Glaciation

 

 

 

 

 

The Eastern Arabian Shield: Window into Supercontinental Assembly at the Dawn of Animal Life

 

 

 

Upcoming Events

Northeast Geobiology Symposium, Montreal (McGill) April 11--12, 2025

Kicks off with a talk on The Archaeal Roots of Eukaryotic Life by Brett Baker (UT-Austin) in Macdonald-Harrington G10 at 16h, Friday April 11

GAC-MAC, Ottawa, May 11-14, 2025

News

 

Recent Publications:

Spruzen, C., Maloney, K.M., Greenman W.J., Lechte, M.A. and Halverson, G.P., 2025. Stratigraphic context for reef-building microbialites in the Tonian Reefal assemblage (Fifteenmile Group) of the Yukon. In: Yukon Exploration and Geology Technical Papers 2024, L.H. Weston, A. Stuart,
S.K. Schultz, A.D. Brubacher and D.C. Cronmiller (eds.), Yukon Geological Survey, p. 75–95.

Gibson, B.M., Stengel, I., Nghishidulu, Z., Liberty, P.R., *Bissick, A., Boscaini, A., Davies,
J.H.F.L., Halverson, G.P., Hilgen, F.J., Spiering, B., Vickers-Rich, P., Laflamme, M., 2014.
New Swartpuntia occurrence found within the Aar Member. Gondwana Research. doi.org/10.1016/
j.gr.2024.11.002.