Figure F42. Age-depth plots for Sites 1207-1214 based on calcareous nannofossil and planktonic foraminiferal datums. Horizontal lines represent unconformities in the sections. Datum ages and depths are presented in the site chapters. Critical events are marked by thin gray vertical bands. Widespread unconformities are indicated by the wide blue vertical bands. E/O = Eocene/Oligocene boundary, PETM = Paleocene-Eocene Thermal Maximum, K/T = Cretaceous/Tertiary boundary, mid-M = mid-Maastrichtian event, OAE1a = Aptian Oceanic Anoxic Event.