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Table T4. Calcareous nannofossil datums, Site U1338. (See table notes.)

Core, section, interval (cm) Marker species (base zone) Age
(Ma)		 Depth CSF (m) Depth (m)
Top Bottom Top Bottom Midpoint ± CCSF-A CCSF-B
321-U1338A- 321-U1338A-
2H-1, 130 2H-2, 24 T Pseudoemiliania lacunosa (NN20) 0.44 4.00 4.44 4.22 0.22 7.53 6.80
2H-4, 90 2H-5, 120 Tc Reticulofenestra asanoi 0.91 8.10 9.90 9.00 0.90 12.13 10.96
3H-1, 90 3H-2, 70 T Gephyrocapsa (>5.5 µm) 1.26 13.10 14.40 13.75 0.65 17.38 15.70
3H-4, 80 3H-5, 80 T Calcidiscus macintyrei 1.61 17.50 19.00 18.25 0.75 19.88 17.95
    Pliocene/Pleistocene boundary 1.81            
4H-2, 50 4H-3, 50 T Discoaster brouweri (NN19) 1.93 23.70 25.20 24.45 0.75 26.50 23.93
4H-CC 5H-1, 60 T Discoaster pentaradiatus (NN18) 2.39 31.65 31.80 31.73 0.07 38.51 34.79
5H-1, 60 5H-2, 85 T Discoaster surculus (NN17) 2.49 31.80 33.55 32.68 0.88 41.28 37.29
6H-2, 40 6H-3, 120 T Sphenolithus spp. 3.54 42.60 44.72 43.66 1.06 48.91 44.18
6H-4, 30 6H-5, 40 T Reticulofenestra pseudoumbilicus (NN16) 3.70 45.50 47.10 46.30 0.80 52.61 47.52
8H-5, 110 8H-6, 83 T Ceratolithus acutus 5.04 66.80 68.03 67.42 0.62 77.13 69.67
    Miocene/Pliocene boundary 5.33            
9H-4, 70 9H-5, 70 B Ceratolithus acutus 5.35 74.40 75.90 75.15 0.75 86.65 78.27
10H-3, 70 10H-4, 70 T Discoaster quinqueramus (NN12) 5.58 82.40 83.90 83.15 0.75 94.14 85.04
11H-5, 120 11H-6, 120 T Nicklithus amplificus 5.98 95.40 96.77 96.09 0.68 107.94 97.51
14H-2, 80 14H-3, 80 B Nicklithus amplificus 6.91 119.00 120.50 119.75 0.75 132.08 119.31
16H-3, 50 16H-4, 50 TP Reticulofenestra pseudoumbilicus 7.07 139.20 140.70 139.95 0.75 157.25 142.05
17H-1, 95 17H-2, 50 B Amaurolithus spp. 7.36 146.15 147.20 146.68 0.52 159.18 143.79
18H-2, 90 18H-3, 65 B Discoaster berggrenii (NN11) 8.29 157.10 158.35 157.73 0.63 181.83 164.25
20H-3, 80 20H-4, 80 BP Reticulofenestra pseudoumbilicus 9.10 177.50 179.00 178.25 0.75 202.34 182.78
22H-4, 80 22H-5, 80 T Discoaster hamatus (NN10) 9.69 198.00 199.50 198.75 0.75 220.52 199.20
24H-CC 25H-1, 80 B Discoaster hamatus (NN9) 10.55 221.69 222.00 221.85 0.16 253.24 228.76
25H-1, 80 25H-2, 80 T Coccolithus miopelagicus 10.60 222.00 223.51 222.76 0.75 253.24 228.76
25H-3, 80 25H-4, 80 B Catinaster coalitus (NN8) 10.89 225.02 226.53 225.78 0.75 281.38 254.18
29X-5, 80 29X-6, 80 Bc Discoaster kugleri (NN7) 11.86 266.20 267.70 266.95 0.75 298.96 270.06
34X-5, 80 34X-6, 80 Tc Cyclicargolithus floridanus 13.33 314.10 315.60 314.85 0.75 350.28 316.42
35X-2, 80 35X-CC T Sphenolithus heteromorphus (NN6) 13.53 319.20 319.79 319.50 0.30 359.83 325.05
39X-CC 40X-2, 80 Tc Discoaster deflandrei 15.66 363.81 366.68 365.25 1.44 400.81 362.06
39X-CC 40X-1, 80 B Discoaster petaliformis 15.70 363.76 365.20 364.48 0.72 400.04 361.37
44X-1, 2 44X-1, 80 Bc Sphenolithus heteromorphus 17.71 402.82 403.60 403.21 0.39 448.27 404.94
321-U1338B- 321-U1338B-
1H-4, 80 1H-5, 80 T Pseudoemiliania lacunosa (NN20) 0.44 5.30 6.80 6.05 0.75 6.05 5.47
2H-2, 80 2H-3, 80 Tc Reticulofenestra asanoi 0.91 9.90 11.40 10.65 0.75 11.94 10.79
2H-5, 80 2H-6, 80 T Gephyrocapsa (>5.5 µm) 1.26 14.40 15.90 15.15 0.75 16.44 14.85
2H-CC 3H-1, 70 T Calcidiscus macintyrei 1.61 17.49 17.80 17.65 0.16 19.33 17.46
    Pliocene/Pleistocene boundary 1.81            
3H-4, 20 3H-5, 85 T Discoaster brouweri (NN19) 1.93 21.80 23.95 22.88 1.08 24.95 22.53
4H-5, 50 4H-6, 50 T Discoaster pentaradiatus (NN18) 2.39 33.10 34.60 33.85 0.75 36.51 32.98
4H-6, 50 4H-CC T Discoaster surculus (NN17) 2.49 34.60 36.55 35.58 0.97 38.24 34.54
5H-5, 50 5H-6, 50 T Sphenolithus spp. 3.54 42.60 44.10 43.35 0.75 57.65 52.08
6H-1, 70 6H-2, 70 T Reticulofenestra pseudoumbilicus (NN16) 3.70 46.30 47.80 47.05 0.75 52.19 47.15
8H-3, 70 8H-4, 70 T Ceratolithus acutus 5.04 68.30 69.80 69.05 0.75 75.63 68.32
    Miocene/Pliocene boundary 5.33            
9H-2, 70 9H-3, 100 B Ceratolithus acutus 5.35 76.30 78.10 77.20 0.90 85.23 76.99
9H-CC 10H-1, 80 T Discoaster quinqueramus (NN12) 5.58 83.42 84.40 83.91 0.49 92.43 83.49
11H-3, 6 11H-4, 6 T Nicklithus amplificus 5.98 96.16 97.66 96.91 0.75 106.78 96.46
13H-4, 80 13H-5, 80 B Nicklithus amplificus 6.91 117.40 118.90 118.15 0.75 130.57 117.95
15H-CC 16H-1, 80 TP Reticulofenestra pseudoumbilicus 7.07 140.97 141.40 141.19 0.22 156.40 141.28
16H-5, 80 16H-6, 80 B Amaurolithus spp. 7.36 147.40 148.90 148.15 0.75 164.23 148.36
18H-2, 70 18H-3, 70 B Discoaster berggrenii (NN11) 8.29 161.80 163.30 162.55 0.75 180.51 163.06
20H-2, 70 20H-3, 70 BP Reticulofenestra pseudoumbilicus 9.10 180.80 182.30 181.55 0.75 201.18 181.73
21H-6, 70 21H-CC T Discoaster hamatus (NN10) 9.69 196.30 198.03 197.17 0.86 217.42 196.40
24H-6, 80 24H-CC B Discoaster hamatus (NN9) 10.55 224.90 226.62 225.76 0.86 250.42 226.21
24H-6, 80 24H-CC T Coccolithus miopelagicus 10.60 224.90 226.62 225.76 0.86 250.42 226.21
27H-2, 80 28H-1, 80 Tc Discoaster kugleri 11.58 249.90 257.90 253.90 4.00 281.58 254.36
29H-1, 80 29H-2, 80 Bc Discoaster kugleri (NN7) 11.86 267.40 268.90 268.15 0.75 296.35 267.71
29H-2, 80 29H-3, 80 T Cyclicargolithus floridanus 12.03 268.90 270.40 269.65 0.75 297.85 269.06
29H-2, 80 29H-3, 80 T Coronocyclus nitescens 12.12 268.90 270.40 269.65 0.75 297.85 269.06
29H-4, 80 29H-5, 80 T Calcidiscus premacintyrei 12.45 271.90 273.40 272.65 0.75 300.85 271.77
35H-CC 36H-1, 70 Tc Cyclicargolithus floridanus 13.33 321.32 321.60 321.46 0.14 354.37 320.12
36H-6, 70 36H-7, 40 T Sphenolithus heteromorphus (NN6) 13.53 329.10 330.30 329.70 0.60 362.74 327.68
40H-5, 80 40H-6, 80 Tc Discoaster deflandrei 15.66 365.70 367.20 366.45 0.75 407.65 368.25
40H-CC 41H-1, 80 B Discoaster petaliformis 15.70 368.62 369.20 368.91 0.29 410.75 371.04
45X-1, 125 45X-2, 70 Bc Sphenolithus heteromorphus 17.71 407.85 408.71 408.28 0.43 453.12 409.32
321-U1338C- 321-U1338C-
1H-CC 2H-1, 80 T Pseudoemiliania lacunosa (NN20) 0.44 3.79 4.60 4.20 0.40 4.47 4.04
2H-5, 80 2H-6, 80 Tc Reticulofenestra asanoi 0.91 10.60 12.10 11.35 0.75 11.90 10.75
2H-CC 3H-1, 80 T Gephyrocapsa (>5.5 µm) 1.26 13.70 14.10 13.90 0.20 15.33 13.85
3H-2, 80 3H-3, 120 T Calcidiscus macintyrei 1.61 15.60 17.50 16.55 0.95 18.86 17.04
    Pliocene/Pleistocene boundary 1.81            
4H-1, 50 4H-1, 100 T Discoaster brouweri (NN19) 1.93 23.30 23.80 23.55 0.25 26.41 23.86
4H-1, 100 4H-1, 150 Bc Discoaster triradiatus 2.14 23.80 24.30 24.05 0.25 26.91 24.31
4H-5, 70 4H-6, 70 T Discoaster pentaradiatus (NN18) 2.39 29.50 31.00 30.25 0.75 33.11 29.91
5H-1, 80 5H-2, 80 T Discoaster surculus (NN17) 2.49 33.10 34.60 33.85 0.75 39.11 35.33
6H-1, 80 6H-2, 80 T Sphenolithus spp. 3.54 42.60 44.10 43.35 0.75 51.01 46.08
6H-2, 80 6H-3, 80 T Reticulofenestra pseudoumbilicus (NN16) 3.70 44.10 45.60 44.85 0.75 52.51 47.43
8H-4, 120 8H-5, 120 T Ceratolithus acutus 5.04 66.50 68.00 67.25 0.75 76.23 68.86
    Miocene/Pliocene boundary 5.33            
9H-3, 80 9H-4, 80 B Ceratolithus acutus 5.35 74.10 75.60 74.85 0.75 84.22 76.08
10H-2, 80 10H-3, 20 T Discoaster quinqueramus (NN12) 5.58 82.10 83.00 82.55 0.45 92.82 83.85
11H-3, 80 11H-5, 80 T Nicklithus amplificus 5.98 94.60 96.10 95.35 0.75 105.35 95.17
13H-4, 80* 13H-5, 80* B Nicklithus amplificus 6.91 113.60 115.10 114.35 0.75 125.75 113.60
16H-1, 80 16H-2, 80 TP Reticulofenestra pseudoumbilicus 7.07 137.60 139.10 138.35 0.75 154.34 139.42
16H-CC 17H-1, 70 B Amaurolithus spp. 7.36 146.75 147.00 146.88 0.13 163.41 147.62
19H-2, 90 19H-3, 90 B Discoaster berggrenii (NN11) 8.29 163.70 165.20 164.45 0.75 183.45 165.72
20H-6, 110 20H-CC BP Reticulofenestra pseudoumbilicus 9.10 179.40 181.18 180.29 0.89 199.96 180.63
22H-CC 23H-1, 100 T Discoaster hamatus (NN10) 9.69 199.70 200.30 200.00 0.30 221.78 200.34
25H-4, 80 25H-5, 80 B Discoaster hamatus (NN9) 10.55 223.60 225.10 224.35 0.75 249.08 225.00
25H-3, 80 25H-4, 80 T Coccolithus miopelagicus 10.60 222.10 223.60 222.85 0.75 247.58 223.65
28H-CC 29H-1, 80 Tc Discoaster kugleri 11.58 256.58 257.10 256.84 0.26 283.65 256.23
30H-3, 80 30H-4, 80 Bc Discoaster kugleri (NN7) 11.86 269.60 271.10 270.35 0.75 298.49 269.64
30H-5, 80 30H-6, 80 T Cyclicargolithus floridanus 12.03 272.60 274.10 273.35 0.75 301.49 272.35
30H-5, 80 30H-6, 80 T Coronocyclus nitescens 12.12 272.60 274.10 273.35 0.75 301.49 272.35
30H-6, 80 30H-CC T Calcidiscus premacintyrei 12.45 274.10 275.66 274.88 0.78 303.02 273.73
36H-2, 80 36H-4, 80 Tc Cyclicargolithus floridanus 13.33 318.70 321.70 320.20 1.50 353.67 319.49
37H-1, 80 37H-2, 80 T Sphenolithus heteromorphus (NN6) 13.53 326.70 328.20 327.45 0.75 362.52 327.48
41H-4, 80 41H-5, 80 Tc Discoaster deflandrei 15.66 369.20 370.70 369.95 0.75 407.34 367.97
41H-6, 80 41H-CC B Discoaster petaliformis 15.70 372.21 373.88 373.05 0.84 410.44 370.76

Notes: * = flow-in, upper three sections in Core 321-U1338C-13H. T = top, Tc = top common, B = bottom, TP = top paracme, BP = bottom paracme, Bc = bottom common.

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