Datum
tie point
|
Datum
|
Datum type
|
Zone/
Subzone |
Age
(Ma)
|
Mid-point
depth
(mbsf)
|
Distance
(m)
|
Duration
(Ma)
|
LSR
(cm/k.y.)
|
Notes
|
|
D01
|
Ba Emiliania huxleyi
|
Calcareous nannofossil
|
NN21
|
0.70
|
0.37
|
|
|
|
|
|
D02
|
T Reticulofenestra umbilicus (>14 µm)
|
Calcareous nannofossil
|
NP23
|
32.02
|
15.12
|
15.12
|
31.32
|
|
|
|
D03
|
T Discoaster saipanensis
|
Calcareous nannofossil
|
NP21
|
34.44
|
16.68
|
1.56
|
2.42
|
0.14
|
|
|
D04
|
T Discoaster barbadiensis
|
Calcareous nannofossil
|
|
34.76
|
18.16
|
1.48
|
0.32
|
0.46
|
|
|
D05
|
T Chiasmolithus gigas
|
Calcareous nannofossil
|
NP15c
|
44.12
|
18.16
|
0.00
|
9.36
|
0.00
|
Hiatus
|
|
D06
|
C20r/C21n
|
Chron boundary
|
|
45.72
|
46.98
|
28.82
|
1.60
|
1.80
|
Average rate = 2.01 cm/k.y.
|
|
D07
|
C21n/C21r
|
Chron boundary
|
|
47.35
|
82.98
|
36.00
|
1.62
|
2.22
|
|
D08
|
C21r/C22n
|
Chron boundary
|
|
48.57
|
85.45
|
2.47
|
1.22
|
0.20
|
Average rate = 0.39 cm/k.y.
|
|
D09
|
C22n/C22r
|
Chron boundary
|
|
49.34
|
90.69
|
5.24
|
0.78
|
0.67
|
|
D10
|
B Dictyococcites/Reticulofenestra*
|
Calcareous nannofossil
|
|
49.47
|
101.85
|
11.16
|
0.13
|
8.70
|
|
|
D11
|
B Coccolithus crassus*
|
Calcareous nannofossil
|
|
51.64
|
101.85
|
0.00
|
2.17
|
0.00
|
Hiatus
|
|
D12
|
B Tribrachiatus orthostylus
|
Calcareous nannofossil
|
|
54.37
|
121.90
|
19.97
|
2.73
|
0.73
|
|
|
D13
|
T Fasciculithus spp.
|
Calcareous nannofossil
|
|
55.64
|
121.90
|
0.00
|
1.27
|
0.00
|
Hiatus
|
|
D14
|
B Discoaster multiradiatus
|
Calcareous nannofossil
|
NP9
|
57.21
|
132.18
|
5.75
|
1.57
|
0.37
|
|
|
D15
|
T Anthocyrtis mespilus
|
Radiolarian
|
RP6a
|
62.00
|
177.25
|
49.68
|
4.79
|
1.04
|
|
|
D16
|
B Cruciplacolithus intermedius
|
Calcareous nannofossil
|
|
65.47
|
186.70
|
9.40
|
3.47
|
0.27
|
Condensed; average rate = 0.11 cm/k.y.
|
|
D17
|
T Micula murus, other Cretaceous
nannofossils |
Calcareous nannofossil
|
|
66.04
|
186.70
|
0.00
|
0.57
|
0.00
|
|
D18
|
B Ceratolithoides kamptneri
|
Calcareous nannofossil
|
|
67.84
|
190.01
|
0.99
|
1.80
|
0.05
|
|
D19
|
B Lithraphidites quadratus
|
Calcareous nannofossil
|
UC20
|
69.18
|
190.01
|
0.00
|
1.34
|
0.00
|
|
D20
|
T Reinhardtites levis
|
Calcareous nannofossil
|
UC19
|
70.14
|
190.01
|
4.73
|
0.96
|
0.49
|
|
D21
|
T Eiffellithus eximius
|
Calcareous nannofossil
|
|
75.93
|
190.01
|
0.00
|
5.79
|
0.00
|
|
D22
|
B Broinsonia parca constricta
|
Calcareous nannofossil
|
|
81.38
|
197.35
|
3.58
|
5.45
|
0.07
|
|
D23
|
B Lithastrinus grillii
|
Calcareous nannofossil
|
|
86.50
|
205.72
|
8.87
|
5.12
|
0.17
|
|
D24
|
B Micula staurophora
|
Calcareous nannofossil
|
|
89.77
|
215.21
|
1.75
|
3.27
|
0.05
|
|
D25
|
B Lithastrinus septenarius senso lato
|
Calcareous nannofossil
|
|
91.78
|
226.05
|
17.23
|
2.01
|
0.86
|
Average rate = 0.46 cm/k.y.
|
|
D26
|
B Eiffellithus eximius
|
Calcareous nannofossil
|
|
92.99
|
226.05
|
0.00
|
1.21
|
0.00
|
|
D27
|
B Eprolithus moratus
|
Calcareous nannofossil
|
|
93.73
|
226.05
|
4.50
|
0.74
|
0.61
|
|
D28
|
T Helenea chiastia
|
Calcareous nannofossil
|
|
93.9
|
232.89
|
5.10
|
0.17
|
3.00
|
|
D29
|
B Lithraphidites acutus
|
Calcareous nannofossil
|
|
96.16
|
245.35
|
10.45
|
2.26
|
0.46
|
|
D30
|
B Eiffellithus turriseiffelii
|
Calcareous nannofossil
|
|
103.13
|
269.01
|
24.75
|
6.97
|
0.36
|
* = from Agnini et al. (2006) recalibrated to GTS2012. LSR = linear sedimentation rate. T = top, B = base, Ba = base of acme.