Table T3. Calcareous nannofossil datum levels and their assigned age estimates, Site 1168.

Depth
(mbsf)
Event
Age
(Ma)
Reference
0.64 FO Emiliania huxleyi 0.26 Berggren et al., 1995
8.36 LO Pseudoemiliania lacunosa 0.46 Lourens et al., 1996
12.12 LO Calcidiscus macintyrei 1.67 Lourens et al., 1996
21.86 LO Discoaster surculus 2.55 Berggren et al., 1995
50.60 LO Reticulofenestra pseudoumbilica 3.75 Berggren et al., 1995
60.09 LO Amaurolithus delicatus 4.60 Gartner, 1992
69.39 LO Ceratolithus acutus 5.05 Lourens et al., 1996
88.20 FO Ceratolithus acutus 5.37 Lourens et al., 1996
120.88 FO Amaurolithus primus 7.2 Berggren et al., 1995
199.87 LO Cyclicargolithus floridanus 11.9 Gartner, 1992
238.33 LO Sphenolithus heteromorphous 13.6 Berggren et al., 1995
266.32 FO Calcidiscus premacintyrei 17.4 Gartner, 1992
296.09 FO Sphenolithus heteromorphous 18.2 Berggren et al., 1995
296.09 LO Sphenolithus belemnos 18.3 Berggren et al., 1995
305.28 FO Sphenolithus belemnos 20.6 Berggren et al., 1995
439.66 LO Reticulofenestra bisecta 23.9 Berggren et al., 1995
516.45 LO Chiasmolithus altus 26.1 Berggren et al., 1995
658.22 LO Sphenolithus distentus 27.5 Berggren et al., 1995
733.60 LO Reticulofenestra umbilica 31.2 Berggren et al., 1995
735.74 LO Isthmolithus recurvus 32.3 Berggren et al., 1995
753.44 LO Discoaster saipanensis 34.2 Berggren et al., 1995
878.07 FO Isthmolithus recurvus 36.0 Berggren et al., 1995

Notes: The depth of each datum is assigned at the midpoint between depths of observed samples. FO = first occurrence, LO = last occurrence.