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.