Table T13. Calcareous nannofossil and planktonic foraminifer datums used in the preliminary age-depth model, Hole 1258A.
Core, section,
interval (cm)
Depth
(mbsf)
Age
(Ma)
Foraminifer
zone
Nannofossil
zone
Epoch
Top
Minimum
Maximum
207-1258A-





1R-CC 4.98 11.6 11.9
NN7 middle Miocene
1R-CC 4.98 11.68 13.18 M9
middle Miocene
2R-CC 11.43 43.4 47
NP15 middle Eocene
2R-CC 11.43
49 P10
middle Eocene
3R-CC 22.83 44 46.1
NP15 middle Eocene
3R-CC 22.83
52.3 P9
early Eocene
4R-CC 30.26 40.4 53.3
NP14 early Eocene
4R-CC 30.26
52.3 P9
early Eocene
5R-CC 38.44 47.2 49.3
NP14 early Eocene
5R-CC 38.44
52.3 P9
early Eocene
6R-CC 52.50 48 52.4
NP14 early Eocene
6R-CC 52.50
52.3 P9
early Eocene
7R-CC 60.20 48 52.4
NP14 early Eocene
7R-CC 60.20
50.4 P9
early Eocene
8R-CC 69.30 51 52.4
NP13 early Eocene
8R-CC 69.30
50.4 P9
early Eocene
9R-CC 81.59 51 52.4
NP13 early Eocene
9R-CC 81.59
52.3 P8
early Eocene
10R-CC 90.16 51 52.4
NP13 early Eocene
10R-CC 90.16
52.3 P8
early Eocene
11R-CC 100.46 51 52.4
NP13 early Eocene
11R-CC 100.46 50.8 52.3 P7
early Eocene
12R-CC 110.60 51 53
NP12 early Eocene
12R-CC 110.60
52.3 P7
early Eocene
13R-CC 120.03 51 53
NP12 early Eocene
13R-CC 120.03 54.7
P6
early Eocene
14R-CC 125.31 53 53.9
NP10 early Eocene
14R-CC 125.31 54.7
P6a
earliest Eocene
15R-4, 53 134.73 53 53.9
NP9 earliest Eocene
16R-CC 149.01 54.1 56.2
NP9 earliest Eocene
16R-CC 149.01 55.9

P6 earliest Eocene
17R-CC 158.32 54.1 56.2
NP9 earliest Eocene
17R-CC 158.32 55.9 56.5 P5
earliest Eocene
18R-CC 168.35 54.1 56.2
NP9 earliest Eocene
18R-CC 168.35 55.9 56.5 P5
earliest Eocene
19R-CC 177.76 54.1 56.2
NP9 latest Paleocene
19R-CC 177.76
56.5 P5
latest Paleocene
20R-CC 185.39
56.5 P5
latest Paleocene
21R-CC 197.33 54.1 56.2
NP9 latest Paleocene
21R-CC 197.33 55.9
P4
latest Paleocene
22R-CC 204.31 54.1 56.2
NP9 latest Paleocene
22R-CC 204.31 55.9 56.5 P4
late Paleocene
23R-CC 215.97 56.2 57.3
NP8 late Paleocene
23R-CC 215.97
56.5 P4
late Paleocene
24R-CC 225.61
56.5 P4
late Paleocene
25R-CC 235.76 56.2 57.5
NP7 late Paleocene
25R-CC 235.76 55.9 59.2 P4a
late Paleocene
26R-CC 245.32
60.9 P3a
late Paleocene
27R-1, 0 245.30
64.5
NP2 early Paleocene
27R-CC 252.58 65 65.4
CC26 latest Maastrichtian
28R-6, 124 263.64 65 66.2
CC25 latest Maastrichtian
29R-CC 274.39 65 66.2
CC25 latest Maastrichtian
29R-CC 274.39 65 68.6 KS31
latest Maastrichtian
30R-CC 279.31 65 66.2
CC25 latest Maastrichtian
30R-CC 279.31
72.8

latest Maastrichtian
31R-CC 293.65 65 66.2
CC25 latest Maastrichtian
31R-CC 293.65
72.8

latest Maastrichtian
32R-CC 302.09 66.2 69.2
CC25 late Maastrichtian
33R-CC 312.81 69.2

CC24 latest Maastrichtian
34R-CC 320.11 69.2 77
CC23 Maastrichtian–Campanian
35R-CC 331.34 69.2 71
CC23 Maastrichtian–Campanian
36R-CC 341.58 69.2 71
CC23 Maastrichtian–Campanian
37R-6, 64 348.70 71 76
CC23 Maastrichtian–Campanian
38R-CC 357.01 71 76
CC23 Maastrichtian–Campanian
39R-CC 364.56 71 76
CC23 Maastrichtian–Campanian
40R-CC 377.77 71 76
CC23 Maastrichtian–Campanian
41R-CC 385.45 75.2 82.5
CC23 Maastrichtian–Campanian
42R-CC 399.35 75.3


Turonian
43R-CC 403.77 75.3


Turonian
44R-CC 411.26 75.3


Turonian
45R-CC 422.58 94 97.6
CC10 Cenomanian
46R-CC 429.26 94

CC10 Cenomanian
47R-CC 430.75 94


Cenomanian
48R-CC 437.17 94


Cenomanian
49R-CC 442.35 40.4 101.7
CC9 Cenomanian
50R-CC 446.22 40.4 101.7
CC9 Cenomanian