| Rec | Mtg# | Year | Authors | Institution | Talk title |
|---|---|---|---|---|---|
| 1 | 892 | 1967 | Othmar T. Tobisch | USGS | The Las Palmas gneissic amphibolite, Puerto Rico, and its significance in the Caribbean |
| 2 | 990 | 1974 | Richard S. Fiske; Othmar T. Tobisch |
USGS | Volcanically triggered chaos deposits in the Sierra Nevadan orogen |