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.