Table 8.

Table T8. Biostratigraphic events identified at Site 1122.

Event Age
(Ma) Sample Depth
(mbsf)

F1
FO Globorotalia hirsuta
0.45
181-1122A-11X-CC
96.77

F2
LO Globorotalia puncticuloides
0.7-0.8
181-1122C-22X-CC
215.57

F3
Several forms younger than ~3.4 (see "Biostratigraphy" in the "Site 1122" chapter)
~3.4
181-1122C-52X-CC
472.78

F4
Occurrence of Neogloboquadrina continuosa and N. pachyderma
~11.3
181-1122C-58X-CC
523.48

F5
LO Globorotalia praemenardii
~13.0
181-1122C-62X-CC
563.31

F6
Co-occurrence of Globorotalia zealandica and Gr. miozea
16.3-16.7
181-1122C-68X-CC
617.8

N1
FO Emiliania huxleyi
0.24
181-1122A-5H-CC
46.57

N2
LO Pseudoemiliania lacunosa
0.42
181-1122C-20X-CC
161.21

N3
LO Reticulofenestra asanoi
0.83
181-1122C-29X-CC
247.63

N4
FO Gephyrocapsa parallela
0.9
181-1122C-36X-CC
318.20

N5
FO Reticulofenestra asanoi
1.06
181-1122C-38X-CC
333.28

N6-7
Range Gephyrocapsa (large)
1.1-1.36
181-1122C-41X through 44X-4, 13 cm
359.88-391.53

N8
FO Gephyrocapsa (medium)
1.66
181-1122C-46X-CC
412.44

N9
Several forms co-occurring (see "Biostratigraphy" in the "Site 1122" chapter)
~3.45
181-1122C-52X-CC
~475

N10
LO Cargolithus miopelagicus
>10.4
181-1122C-54X-CC
~485

N11
FO Calcidiscus macintyrei
12.34
181-1122C-60X-CC
541.11

N12
LO Sphenolithus heteromorphus
13.52
181-1122C-63X-CC
571.27

N13
Absence of FO Calcidiscus premacintyrei
<17.4
181-1122C-68X-CC

617.8

D1
LO Hemidiscus karstenii
0.18-0.19
181-1122A-6H-CC
56.34

D2
Acme Hemidiscus karstenii
0.92
181-1122C-20X-CC
152.78

D3
LO Actinocyclus ingens
0.64
181-1122C-30X-CC
259.13

D4
LO Thalassiosira elliptipora
0.65-0.7
181-1122C-34X-CC
297.74

D5
LO Nitzschia denticuloides
11.3
181-1122C-54X-CC
488.15

D6
LO Denticulopsis dimorpha
12.2
181-1122C-54X-CC
488.15

D7
FO Simonseniella barboi
12.5
181-1122C-62X-CC
563.31

R1
LO Stylatractus universus
0.46
181-1122C-25X-CC
204.87

R2
LO Lithelius nautiloides
1.93
181-1122C-48X-CC
432.41

R3
FO Eucyrtidium calvertense
1.92
181-1122C-49X-CC
444.41

Event	Age (Ma)	Sample	Depth (mbsf)
F1	FO Globorotalia hirsuta	0.45	181-1122A-11X-CC	96.77
F2	LO Globorotalia puncticuloides	0.7-0.8	181-1122C-22X-CC	215.57
F3	Several forms younger than ~3.4 (see "Biostratigraphy" in the "Site 1122" chapter)	~3.4	181-1122C-52X-CC	472.78
F4	Occurrence of Neogloboquadrina continuosa and N. pachyderma	~11.3	181-1122C-58X-CC	523.48
F5	LO Globorotalia praemenardii	~13.0	181-1122C-62X-CC	563.31
F6	Co-occurrence of Globorotalia zealandica and Gr. miozea	16.3-16.7	181-1122C-68X-CC	617.8
N1	FO Emiliania huxleyi	0.24	181-1122A-5H-CC	46.57
N2	LO Pseudoemiliania lacunosa	0.42	181-1122C-20X-CC	161.21
N3	LO Reticulofenestra asanoi	0.83	181-1122C-29X-CC	247.63
N4	FO Gephyrocapsa parallela	0.9	181-1122C-36X-CC	318.20
N5	FO Reticulofenestra asanoi	1.06	181-1122C-38X-CC	333.28
N6-7	Range Gephyrocapsa (large)	1.1-1.36	181-1122C-41X through 44X-4, 13 cm	359.88-391.53
N8	FO Gephyrocapsa (medium)	1.66	181-1122C-46X-CC	412.44
N9	Several forms co-occurring (see "Biostratigraphy" in the "Site 1122" chapter)	~3.45	181-1122C-52X-CC	~475
N10	LO Cargolithus miopelagicus	>10.4	181-1122C-54X-CC	~485
N11	FO Calcidiscus macintyrei	12.34	181-1122C-60X-CC	541.11
N12	LO Sphenolithus heteromorphus	13.52	181-1122C-63X-CC	571.27
N13	Absence of FO Calcidiscus premacintyrei	<17.4	181-1122C-68X-CC	617.8
D1	LO Hemidiscus karstenii	0.18-0.19	181-1122A-6H-CC	56.34
D2	Acme Hemidiscus karstenii	0.92	181-1122C-20X-CC	152.78
D3	LO Actinocyclus ingens	0.64	181-1122C-30X-CC	259.13
D4	LO Thalassiosira elliptipora	0.65-0.7	181-1122C-34X-CC	297.74
D5	LO Nitzschia denticuloides	11.3	181-1122C-54X-CC	488.15
D6	LO Denticulopsis dimorpha	12.2	181-1122C-54X-CC	488.15
D7	FO Simonseniella barboi	12.5	181-1122C-62X-CC	563.31
R1	LO Stylatractus universus	0.46	181-1122C-25X-CC	204.87
R2	LO Lithelius nautiloides	1.93	181-1122C-48X-CC	432.41
R3	FO Eucyrtidium calvertense	1.92	181-1122C-49X-CC	444.41

Note: F = foraminifer, N = nannofossil, D = diatom, R = radiolarian.