| Rec | Mtg# | Year | Authors | Institution | Talk title |
|---|---|---|---|---|---|
| 1 | 1280 | 1996 | Christopher M. Fedo | George Washington University | Paleoclimate control on the composition of an early Proterozoic arkose: Harbinger of continental glaciation. |
| 2 | 1352 | 2002 | Christopher M. Fedo | George Washington University | Is there fossil evidence for life on Earth 3850 Ma ago? |