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Table T45. Site 1220 calcareous nannofossil datums.
|
Source
|
Event
|
Age*
(Ma)
|
Core, section, interval (cm)
|
Depth (mbsf)
|
Depth (rmcd)
|
Error (±)
(m)
|
|
Top
|
Bottom
|
Top
|
Bottom
|
Top
|
Bottom
|
Mean
|
|
|
|
|
199-1220A-
|
199-1220A-
|
|
|
|
|
|
|
|
Lyle et al., 2002
|
T ac Triquetrorhabdulus carinatus
|
22.90
|
3H-5, 60
|
3H-6, 40
|
25.05
|
26.35
|
25.05
|
26.35
|
25.70
|
0.65
|
|
Lyle et al., 2002
|
B Sphenolithus ciperoensis
|
27.10
|
5H-1, 60
|
5H-1, 140
|
38.60
|
39.40
|
41.89
|
42.60
|
42.25
|
0.36
|
|
Lyle et al., 2002
|
T Sphenolithus pseudoradians
|
29.10
|
5H-4, 60
|
5H-5, 45
|
43.10
|
44.46
|
46.39
|
47.75
|
47.07
|
0.68
|
|
Lyle et al., 2002
|
B Sphenolithus distentus
|
30.00
|
6H-3, 100
|
6H-4, 80
|
51.50
|
52.80
|
56.84
|
58.14
|
57.49
|
0.65
|
|
Lyle et al., 2002
|
T Reticulofenestra umbilicus >14 µm
|
32.00
|
7H-4, 70
|
7H-4, 140
|
62.16
|
62.86
|
68.47
|
69.17
|
68.82
|
0.35
|
|
|
|
|
199-1220B-
|
199-1220B-
|
|
|
|
|
|
|
|
Lyle et al., 2002
|
B Sphenolithus distentus
|
30.40
|
3H-1, 60
|
3H-1, 90
|
53.60
|
53.90
|
57.16
|
57.44
|
57.30
|
0.14
|
|
Lyle et al., 2002
|
T Coccolithus formosus
|
32.90
|
4H-3, 60
|
4H-3, 100
|
68.10
|
68.50
|
73.42
|
73.82
|
73.62
|
0.20
|
|
Lyle et al., 2002
|
B Tribrachiatus bramlettei
|
53.90
|
19X-CC
|
20X-1, 20
|
193.73
|
197.61
|
211.55
|
215.43
|
213.49
|
1.94
|
|
Lyle et al., 2002
|
T Fasciculithus spp.
|
54.10
|
20X-1, 90
|
20X-1, 115
|
198.30
|
198.56
|
216.12
|
216.38
|
216.25
|
0.13
|
|
Lyle et al., 2002
|
B Rhomboaster spp.
|
54.10
|
20X-1, 125
|
20X-2, 1
|
198.65
|
198.91
|
216.47
|
216.73
|
216.60
|
0.13
|
* = Expedition 320/321 Scientists (2010a). T = top, B = bottom, ac = acme.
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