Table T4. Calcareous nannofossil datum levels useful at this site and their assigned age estimates.

Depth* (mbsf)	Event	Age (Ma)	References
1.5	FO Emiliania huxleyi	0.24	Naish et al. (1998)
2.8	LO Pseudoemiliania lacunosa	0.42	Sato and Kameo (1996)
74.1	LO Coccolithus miopelagicus	10.94	Backman and Raffi (1997)
101.3	FO Calcidiscus macintyrei	12.34	Raffi and Flores (1995)
101.3	LO Calcidiscus premacintyrei	12.65	Raffi and Flores (1995)
125.4	LO Cyclicargolithus floridanus	13.19	Raffi and Flores (1995)
166.9	LO Sphenolithus heteromorphus	13.52	Backman and Raffi (1997)
166.9	LO Acme Discoaster deflandrei	16.21	Raffi and Flores (1995)
174.4	LO Sphenolithus dissimilis	17.8	Gartner (1992)
189.8	FO Calcidiscus premacintyrei	17.4	Gartner (1992)
199.2	FO Calcidiscus leptoporus	18.2	Gartner (1992)
177.0	FO Sphenolithus heteromorphus	18.6	Backman et al. (1990)
299.2	FO Geminilithella rotula	19.8	Young et al. (1994)
215.6	LO Ilselithina fusa	22.3	Gartner (1992)
221.9	FO Discoaster druggi	23.2	Berggren et al. (1995)

Note: * = the depth of each datum is assigned at the midpoint between observed samples.