Rec | Mtg# | Year | Authors | Institution | Talk title |
---|---|---|---|---|---|
1 | 601 | 1942 | William Thomas Pecora; W. D. Hobbs |
USGS | Geology of the nickel silicate deposit near Riddle, Oregon |
2 | 612 | 1943 | William Thomas Pecora | USGS | Geology of nickel-silicate deposits |
3 | 636 | 1946 | William Thomas Pecora; Montis Ruhl Klepper; D. M. Larabee |
USGS | Mica-bearing pegmatites in Minas Geraes, Brazil |
4 | 683 | 1950 | William Thomas Pecora | USGS | Tectonic significance of ruptured Eocene cobbles, Bearpaw Mountains, Montana |
5 | 819 | 1961 | William Thomas Pecora | USGS | Origin of carbonatites, Bearpaw Mountains, Montana |
6 | 864 | 1964 | William Thomas Pecora | USGS | Dual concept of time in geologic science. (Presidential Address) |