Table T13. Planktonic foraminiferal and calcareous nannofossil datums used in the preliminary age-depth model, Hole 1260A.
Core, section, interval (cm)
Depth
(mbsf)
Foraminifer age (Ma)
Foraminifer
zone
Nannofossil age
(Ma)
Nannofossil
zone
Epoch
Minimum
Maximum
207-1260A-






1R-CC, 12–18 0.75 0 1.92 PT1

Holocene–Pleistocene
2R-CC, 8–14 3.85 28.5 29.4 P21a

early Oligocene
3R-1, 50–54 10.80 32 33.8 P18

early Oligocene
3R-2, 50–54 12.30 33.8 35.2 P16

late Eocene
3R-3, 50–54 13.80 32 33.8 P18

early Oligocene
3R-CC, 13–18 14.51 32 33.8 P18

early Oligocene
4R-1, 50–54 20.00 32 33.8 P18

early Oligocene
4R-2, 50–54 21.50 32 33.8 P18

early Oligocene
4R-3, 50–54 23.00 29.4 30.3 P20

early Oligocene
4R-4, 50–53 24.50 29.4 30.3 P20

early Oligocene
4R-5, 50–53 26.00 30.3 32 P19

early Oligocene
4R-6, 43–45 27.43 30.3 32 P19

early Oligocene
4R-CC, 0–5 27.50 30.3 32 P19

early Oligocene
5R-CC, 19–24 36.10 33.8 35.2 P16

late Eocene
6R-1, 50–54 38.70 40.1 40.5 P13

middle Eocene
6R-5, 50–54 44.70 40.1 40.5 P13

middle Eocene
6R-CC, 0–5 45.79 40.1 40.5 P13

middle Eocene
7R-CC, 0–5 56.19 40.1 40.5 P13 40.4 NP16 middle Eocene
8R-1, 50–54 57.70 40.1 40.5 P13

middle Eocene
8R-2, 50–54 59.20 40.5 43.6 P12

middle Eocene
8R-3, 50–54 60.70 40.5 43.6 P12

middle Eocene
8R-4, 50–54 62.20 40.5 43.6 P12

middle Eocene
8R-5, 50–54 63.70 40.5 43.6 P12

middle Eocene
8R-CC, 0–5 65.71 40.5 43.6 P12

middle Eocene
9R-CC, 0–5 76.61 40.5 43.6 P12

middle Eocene
10R-CC, 8–13 85.45 40.5 43.6 P12 42.5 NP16 middle Eocene
11R-CC, 11–16 96.15 40.5 43.6 P12

middle Eocene
12R-CC, 15–22 104.96 40.5 43.6 P12

middle Eocene
13R-CC, 15–21 114.67 40.5 43.6 P12

middle Eocene
14R-CC, 19–24 124.79 40.5 43.6 P12 43.5 NP15 middle Eocene
15R-1, 50–54 125.40 43.6 45.8 P11

middle Eocene
15R-CC, 6–12 130.56 43.6 45.8 P11

middle Eocene
16R-1, 0–3 134.50 43.6 45.8 P11

middle Eocene
17R-CC, 13–19 148.84 43.6 45.8 P11 44 NP15 middle Eocene
18R-CC, 11–17 163.31 43.6 45.8 P11 46.1 NP15 middle Eocene
19R-CC, 0–7 171.95 43.6 45.8 P11

middle Eocene
20R-CC, 0–4 179.62 45.8 49 P10?

middle Eocene
21R-2, 71–76 184.61 45.8 49 P10?

middle Eocene
22R-CC, 0–5 192.10 45.8 49 P10 47.2 NP14 middle Eocene
23R-CC, 6–10 206.66 45.8 49 P10

middle Eocene
24R-CC, 13–18 217.93 45.8 49 P10 48 NP14 middle Eocene
25R-1, 50–54 221.20 50.4 50.8 P8

early Eocene
25R-2, 50–54 222.70 50.4 50.8 P8

early Eocene
25R-3, 50–54 224.20 50.4 50.8 P8

early Eocene
25R-4, 50–54 225.70 50.4 50.8 P8

early Eocene
25R-5, 50–54 227.00 50.8 52.3 P7

early Eocene
25R-7, 48–52 229.68 50.8 52.3 P7

early Eocene
25R-CC, 16–21 229.89 50.8 52.3 P7

early Eocene
26R-CC, 10–15 239.50 50.8 52.3 P7 53.3 NP11 early Eocene
27R-1, 50–54 240.50 52.3 54.7 P6

early Eocene
27R-2, 50–54 242.00 52.3 54.7 P6

early Eocene
27R-CC, 9–15 249.46 52.3 54.7 P6 54.1 NP9 early Eocene
28R-CC, 18–24 259.35 52.3 54.7 P6

early Eocene
29R-1, 0–1 259.20 52.3 54.7 P6

early Eocene
29R-CC, 0–3 266.16 52.3 54.7 P6

early Eocene
30R-1, 50–54 269.40 54.7 55.9 P5

early Eocene
30R-2, 50–54 270.82 54.7 55.9 P5

early Eocene
30R-3, 50–54 272.32 54.7 55.9 P5

early Eocene
30R-4, 50–54 273.82 54.7 55.9 P5

early Eocene
30R-5, 50–54 274.93 54.7 55.9 P5

early Eocene
30R-6, 50–54 275.93 54.7 55.9 P5

early Eocene
30R-8, 50–54 278.00 54.7 55.9 P5

late Paleocene
30R-CC, 0–4 278.35 54.7 55.9 P5

late Paleocene
31R-CC, 16–23 287.67 54.7 55.9 P5

late Paleocene
32R-1, 50–53 288.70 54.7 55.9 P5

late Paleocene
32R-2, 44–47 290.14

Barren


32R-3, 45–48 291.65 57.1 59.2 P4

late Paleocene
32R-CC, 22–25 292.35 57.1 59.2 P4 56.2 NP9 late Paleocene
33R-2, 50–54 299.80 57.1 59.2 P4

late Paleocene
33R-CC, 16–19 307.01 57.1 59.2 P4

late Paleocene
34R-CC, 20–22 317.30 57.1 59.2 P4 57.5 NP7 late Paleocene
35R-1, 50–54 317.60 57.1 59.2 P4

late Paleocene
35R-3, 50–54 320.60 57.1 59.2 P4

late Paleocene
35R-4, 50–54 322.10 57.1 59.2 P4?

late Paleocene
35R-5, 50–54 323.60 57.1 59.2 P4?

late Paleocene
35R-6, 50–54 325.10 60 61 P3a

late Paleocene
35R-7, 18–22 326.28 60 61 P3a

late Paleocene
35R-CC, 34–37 327.00 61 61.2 P2

early Paleocene
36R-1, 73–74 327.43 61 61.2 P2

early Paleocene
36R-2, 53–55 328.73 61 61.2 P2

early Paleocene
36R-3, 28–29 329.98 61 61.2 P2

early Paleocene
36R-4, 0–1 331.20 61.2 63 P1c

early Paleocene
36R-4, 80–81 332.00 64.8 65 Pa 65 NP1 early Paleocene
36R-CC, 6–9 336.09 65 68.6 KS31

Maastrichtian
37R-CC, 24–27 346.38 65 68.6 KS31 66.2 CC26 Maastrichtian
38R-1, 49–52 346.49 65 68.6 KS31

Maastrichtian
38R-2, 49–53 347.99 68.6 69.6 KS30a

Maastrichtian
38R-3, 49–52 349.49 68.6 69.6 KS30a

Maastrichtian
38R-4, 49–51 350.99 68.6 69.6 KS30a

Maastrichtian
38R-5, 49–52 352.49 68.6 69.6 KS30a

Maastrichtian
38R-6, 49–52 353.99 68.6 69.6 KS30a

Maastrichtian
38R-CC, 5–8 354.50 69.6 72.8 KS30b

late Campanian–Maastrichtian
39R-CC, 0–5 365.38 72.8 73.8 KS29

late Campanian
40R-CC, 17–22 374.56 72.8 73.8 KS29 71.3 CC23 late Campanian
41R-2, 147–150 377.87 72.8 73.8 KS29

late Campanian
41R-CC, 0–7 382.96

Barren


42R-4, 0–5 389.00

Barren


42R-CC, 20–22 390.70

Not defined 89.3 CC12 Unknown
43R-1, 68–71 394.78

Barren


43R-2, 78–80 396.16

Not defined

Coniacian?
43R-2, 109–111 396.47 85.4 89.5 KS23

Coniacian
44R-3, 31–33 407.01

Not defined

Turonian?
44R-CC, 12–18 408.62

Not defined

Turonian
45R-3, 55–56 411.75

Not defined

Turonian?
45R-CC, 21–27 411.97

Not defined 93.2 CC11 Turonian?
46R-1, 54–56 414.84

Not defined

Turonian?
46R-4, 67–69 418.95

Not defined

Unknown
46R-6, 67–69 421.74

Not defined

Turonian?
46R-CC, 12–17 422.05

Barren


47R-7, 0–4 432.13

Not defined

late Cenomanian–Turonian
48R-2, 60–62 435.60

Not defined

Unknown
48R-5, 146–150 440.64

Not defined 94 CC10a late Cenomanian–Turonian
48R-6, 96–98 441.64

Not defined

Unknown
49R-2, 42–44 444.95 94 99.1 KS19-17

Cenomanian
49R-3, 16–18 446.11 94 99.1 KS19-17

Cenomanian
49R-CC, 0–7 450.82 94 99.1 KS19-17

Cenomanian
50R-1, 17–19 452.87

Not defined

late Albian–Cenomanian
50R-5, 0–2 458.70 94 99.1 KS19-17

Cenomanian
50R-CC, 16–21 462.11 94 99.1 KS19-17

Cenomanian
51R-3, 133–134 466.31

Not defined

late Albian–Cenomanian
51R-5, 52–55 468.50 94 100.4 KS19-16

late Albian–Cenomanian
51R-7, 50–51 471.06 94 100.4 KS19-16

late Albian–Cenomanian
51R-CC, 24–29 471.52

Not defined

late Albian–Cenomanian
52R-2, 99–101 474.09 94 100.4 KS19-16

late Albian–Cenomanian
52R-3, 115–116 475.73

Not defined

Unknown
52R-4, 66–68 476.74

Not defined

Unknown
52R-CC, 7–11 477.63

Not defined 101.7 NC10a Unknown
53R-1, 24–26 481.54 105 109.5 KS13

early Albian
53R-1, 115–117 482.45 105 109.5 KS13

early Albian
53R-2, 129–130 484.09 105 109.5 KS13

early Albian
54R-CC, 6–11 491.36 105 109.5 KS13

Albian

Note: Both minimal and maximal assigned ages (Ma) are given for the planktonic foraminiferal datums in each sample analyzed.