Table T4.
Nannofossil datum levels identified and age estimates used at Site 1124.
Depth
(mbsf)Bioevent
Age
(Ma)Reference
19.61
LO Pseudoemiliania
lacunosa
0.42
Sato and Kameo, 1996
60.63
LO Calcidiscus macintyrei
1.60
Raffi et al., 1993
60.63
FO Gephyrocapsa
caribbeanica
1.67
Raffi and Flores, 1995
70.14
LO Discoaster brouweri
1.96
Raffi and Flores, 1995
79.72
LO Discoaster
pentaradiatus
2.30
Wei, 1993
89.25
LO Discoaster surculus
2.61
Raffi and Flores, 1995
98.43
LO Reticulofenestra
pseudoumbilicus
3.82
Raffi and Flores, 1995
98.43
FO Pseudoemiliania
lacunosa
4.0
Gartner, 1990
154.92
LO Minylitha convallis
7.73
Shackleton et al., 1995
183.22
FO Minylitha convallis
9.34
Raffi and Flores, 1995
183.22
LO Cantinaster calyculus
9.64
Backman and Raffi, 1997
212.16
FO Cantinaster coalitus
10.79
Backman and Raffi, 1997
212.16
LO Coccolithus
miopelagicus
10.94
Backman and Raffi, 1997
221.77
LO Calcidiscus
premacintyrei
12.65
Raffi and Flores, 1995
240.97
LO Sphenolithus
heteromorphus
13.52
Backman and Raffi, 1997
260.17
LO Acme Discoaster
deflandrei
16.21
Raffi and Flores, 1995
280.35
FO Geminilithella rotula
19.8
Young et al., 1994
327.58
LO Sphenolithus umbrellus
23.6
Berggren et al., 1995b
327.58
LO Dictyococcites
bisectus
23.9
Berggren et al., 1995b
337.41
LO Sphenolithus delphix
24.3
Berggren et al., 1995b
337.41
LO Chiasmolithus altus
26.1
Berggren et al., 1995b
410.86
FO Sphenolithus distentus
27.5
Berggren et al., 1995b
411.55
LO Reticulofenestra
umbilicus
31.3
Morgans et al., 1996
414.82
LO Ericsonia formosa
32.8
Berggren et al., 1995b
417.86
Acme Clausicoccus
subdistichus
33.3
Berggren et al., 1995b
419.82
FO Isthmolithus recurvus
35.5
Morgans et al., 1996
419.82
FO Dictyococcites bisectus
38
Berggren et al., 1995b
429.28
LO Hornibrookina
teuriensis
58.3
Berggren et al., 1995b
442.22
FO Fasciculithus
tympaniformis
59.7
Morgans et al., 1996
451.65
FO Sphenolithus primus
60.6
Berggren et al., 1995b
451.65
FO Chiasmolithus bidens
60.7
Berggren et al., 1995b
460.39
FO Cruciplacolithus
tenuis
64.5
Berggren et al., 1995b
463.32
FO Hornibrookina
teuriensis
64.9
Berggren et al., 1995b
467.61
LO Micula spp.
65
Berggren et al., 1995b