Table 2. Planktonic foraminifer datums used to construct age/depth plot.

Event
Zone
(base)
Datum age
(Ma)*
Depth
(mbsf)
Tuned age (Ma)§
1. LO Globigerinoides obliquus
1.3 44.05 1.30
2. FO Truncorotalia truncatulinoides
N22
2.0 68.77 1.92
3. LO Menardella miocenica

2.3 78.27 2.38
4. LO Menardella multicamerata

3.0 97.27 3.10
5. LO Dentoglobigerna altispira

3.0 97.27 3.11
6. FO Menardella miocenica
N21/N20
3.6 101.05 3.77
7. LO Hirsutella margaritae

3.6 110.55 3.85
8. FO Truncorotalia crassaformis

4.7 139.07 4.31
9. FO Sphaeroidinella dehiscens
N19
5.6 160.55 5.54
10. FO Globorotalia plesiotumida
N18/N17
8.2 237.54 8.58
11. FO Neogloboquadrina acostaensis
N16
10.0 265.56 9.82
12. LO Paragloborotalia mayeri
N15
10.3 269.11 10.49
13. FO Globoturborotalita nepenthes
N14
11.4 295.15 11.19
14. LO Fohsella fohsi
N13
11.8 298.61 11.68
15. FO Fohsella fohsi
N12
13.5 307.25 13.42
16. FO Fohsella praefohsi
N11
14.0 333.32
-
17. FO Fohsella peripheroacuta
N10
14.7 345.75
-
18. FO Praeorbulina sicana
N9/N8
16.4 416.25
-
19. LO Catapsydrax dissimilis
N7
17.3 454.14
-

Notes: *Ages are from Curry, Shackleton, Richter, et al. (1995). §Ages are from Site 925, a section tuned by Bickert et al. (1997), Tiedemann and Franz (1997), and Shackleton and Crowhurst (1997).