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Table T3. Calcareous nannofossil bioevents, Site U1337. (See table note.)

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-U1337A- 321-U1337A-
2H-4, 35 2H-5, 19 T Pseudoemiliania lacunosa (NN20) 0.44 10.35 11.69 11.02 0.67 6.17 5.51
3H-3, 10 3H-5, 115 Bc Reticulofenestra asanoi 1.14 18.10 22.15 20.13 2.03 16.48 14.71
3H-3, 10 3H-5, 115 T Gephyrocapsa (>5.5 µm) 1.26 18.10 22.15 20.13 2.03 16.48 14.71
4H-2, 97 4H-3, 94–96 T Calcidiscus macintyrei 1.61 26.97 28.45 27.71 0.74 24.06 21.48
    Pliocene/Pleistocene boundary 1.81            
4H-5, 9–11 4H-6, 126 T Discoaster brouweri (NN19) 1.93 30.60 33.26 31.93 1.33 28.28 25.25
5H-2, 111–113 5H-4, 111–113 T Discoaster pentaradiatus (NN18) 2.39 36.62 39.62 38.12 1.50 37.14 33.16
5H-4, 111–113 5H-5, 6 T Discoaster surculus (NN17) 2.49 39.62 40.06 39.84 0.22 38.86 34.70
7H-1, 99 7H-4, 90 T Reticulofenestra pseudoumbilicus (NN16) 3.70 53.99 58.40 56.20 2.21 58.83 52.52
10H-2, 100 10H-3, 90 T Ceratolithus acutus 5.04 84.00 85.40 84.70 0.70 90.33 80.65
    Miocene/Pliocene boundary 5.33            
10H-5, 80 10H-6, 138 B Ceratolithus acutus 5.35 88.30 90.38 89.34 1.04 94.97 84.79
11H-3, 65 11H-6, 147 T Discoaster quinqueramus (NN12) 5.58 94.65 99.97 97.31 2.66 104.03 92.88
12H-4, 40 12H-5, 60 T Nicklithus amplificus 5.98 105.40 107.10 106.25 0.85 113.71 101.53
13H-CC 14H-1, 129 B Nicklithus amplificus 6.91 119.86 120.79 120.33 0.47 129.82 115.91
14H-CC 15H-1, 67 TP Reticulofenestra pseudoumbilicus 7.07 129.40 129.67 129.54 0.13 140.91 125.81
15H-5, 15 15H-6, 34 B Amaurolithus spp. 7.36 135.15 135.84 135.50 0.34 347.66 310.41
17H-3, 69–70 17H-5, 85–86 B Discoaster berggrenii (NN11) 8.29 151.70 154.86 153.28 1.58 167.50 149.55
18H-1, 75 18H-2, 80 BP Reticulofenestra pseudoumbilicus 9.10 158.25 159.80 159.03 0.78 175.09 156.33
19H-6, 110 19H-CC T Discoaster hamatus (NN10) 9.69 175.60 177.00 176.30 0.70 193.26 172.55
22X-1, 53 23X-1, 40 B Discoaster hamatus (NN9) 10.55 196.03 204.70 200.37 4.33 219.42 195.91
22X-1, 53 23X-1, 40 T Coccolithus miopelagicus 10.60 196.03 204.70 200.37 4.33 219.42 195.91
23X-1, 40 23X-2, 40 B Catinaster coalitus (NN8) 10.89 204.70 206.20 205.45 0.75 225.28 201.14
24X-CC 25X-1, 88 Tc Discoaster kugleri 11.58 219.00 224.28 221.64 2.64 242.79 216.78
26X-1,45 26X-2, 45 Bc Discoaster kugleri (NN7) 11.86 233.45 234.95 234.20 0.75 255.67 228.28
26X-3, 45 26X-4, 45 T Cyclicargolithus floridanus 12.03 236.45 237.95 237.20 0.75 258.67 230.96
26X-3, 45 26X-4, 45 T Coronocyclus nitescens 12.12 236.45 237.95 237.20 0.75 258.67 230.96
26X-4, 45 26X-5, 45 T Calcidiscus premacintyrei 12.45 237.95 239.45 238.70 0.75 260.17 232.29
30X-6, 30 30X-CC Tc Cyclicargolithus floridanus 13.33 278.60 280.50 279.55 0.95 309.20 276.07
31X-2, 20 31X-3, 20 T Sphenolithus heteromorphus (NN6) 13.53 282.20 283.70 282.95 0.75 312.68 279.18
34X-4, 70 34X-5, 70 T Helicosphaera ampliaperta (NN5) 14.91 314.50 316.00 315.25 0.75 345.35 308.35
35X-3, 75 35X-5, 75 Tc Discoaster deflandrei 15.66 322.65 325.65 324.15 1.50 353.64 315.75
35X-3, 75 35X-5, 75 B Discoaster petaliformis 15.70 322.65 325.65 324.15 1.50 353.64 315.75
38X-CC 39X-1, 40 Bc Sphenolithus heteromorphus 17.71 352.65 357.50 355.08 2.43 386.26 344.87
39X-1, 40 39X-2, 40 Tc Sphenolithus belemnos (NN4) 17.95 357.50 359.10 358.30 0.80 389.19 347.49
38X-CC 39X-1, 40 T Triquetrorhabdulus carinatus (NN3) 18.29 352.65 357.50 355.08 2.43 386.26 344.87
40X-5, 65 40X-CC B Sphenolithus belemnos 19.03 373.45 376.52 374.99 1.54 408.08 364.35
43X-CC 44X-CC X Helicosphaera euphratis/Helicosphaera carteri 20.90 409.19 414.59 411.89 2.70 447.39 399.46
47X-2, 75 47X-3, 75 Tc Triquetrorhabdulus carinatus 22.10 435.85 437.40 436.63 0.77 481.51 429.92
  47X-4, 80 Lowermost observed Discoaster druggii (NN2) ≤22.41   438.90        
    Oligocene/Miocene boundary 23.03            
48X-2, 100 48X-3, 55 T Sphenolithus delphix 23.1 445.70 446.75 446.23 0.53 491.59 438.92
48X-4, 15 48X-4, 55 B Sphenolithus delphix 23.2 447.85 448.25 448.05 0.20 493.41 440.54
321-U1337B- 321-U1337B-
1H-5, 67 1H-CC T Pseudoemiliania lacunosa (NN20) 0.44 7.17 7.41 7.29 0.12 6.75 6.03
1H-CC 2H-CC Bc Reticulofenestra asanoi 1.14 7.41 20.30 13.86 6.45 12.11 10.81
2H-CC 3H-CC T Gephyrocapsa (>5.5 µm) 1.26 20.30 29.72 25.01 4.71 22.58 20.16
2H-CC 3H-CC T Calcidiscus macintyrei 1.61 20.30 29.72 25.01 4.71 22.58 20.16
    Pliocene/Pleistocene boundary 1.81            
2H-CC 3H-CC T Discoaster brouweri (NN19) 1.93 20.30 29.72 25.01 4.71 22.58 20.16
4H-CC 5H-CC T Discoaster surculus (NN17) 2.49 39.44 49.01 44.23 4.79 43.16 38.53
5H-CC 6H-CC T Reticulofenestra pseudoumbilicus (NN16) 3.70 49.01 58.35 53.68 4.67 53.75 47.99
8H-CC 9H-CC T Ceratolithus acutus 5.04 77.04 87.00 82.02 4.98 85.71 76.52
    Miocene/Pliocene boundary 5.33            
9H-CC 10H-CC B Ceratolithus acutus 5.35 87.00 96.22 91.61 4.61 97.34 86.91
10H-CC 11H-CC T Discoaster quinqueramus (NN12) 5.58 96.22 106.04 101.13 4.91 108.55 96.92
10H-CC 11H-CC T Nicklithus amplificus 5.98 96.22 106.04 101.13 4.91 108.55 96.92
12H-CC 13H-CC B Nicklithus amplificus 6.91 115.57 125.11 120.34 4.77 130.09 116.15
13H-CC 14H-CC TP Reticulofenestra pseudoumbilicus 7.07 125.11 134.41 129.76 4.65 140.68 125.61
14H-CC 15H-CC B Amaurolithus spp. 7.36 134.41 143.82 139.12 4.71 151.04 134.85
16H-CC 17H-CC B Discoaster berggrenii (NN11) 8.29 153.48 163.16 158.32 4.84 172.12 153.67
17H-CC 18H-CC BP Reticulofenestra pseudoumbilicus 9.10 163.16 172.41 167.79 4.63 182.24 162.71
18H-CC 19H-CC T Discoaster hamatus (NN10) 9.69 172.41 182.27 177.34 4.93 181.03 161.63
21H-4, 105 22H-1, 100 B Discoaster hamatus (NN9) 10.55 196.55 201.50 199.03 2.47 219.02 195.55
22H-1, 100 22H-2, 75 T Coccolithus miopelagicus 10.60 201.50 202.75 202.13 0.63 223.05 199.15
22H-2, 75 22H-3, 75 B Catinaster coalitus 10.89 202.75 204.25 203.50 0.75 224.42 200.38
24H-1, 75 24H-2, 75 Tc Discoaster kugleri 11.58 220.25 221.75 221.00 0.75 243.38 217.30
25H-5, 75 25H-CC Bc Discoaster kugleri (NN7) 11.86 233.15 234.33 233.74 0.59 256.18 228.73
321-U1337C- 321-U1337C-
1H-CC 2H-CC T Pseudoemiliania lacunosa 0.44 1.92 11.59 6.76 4.84 4.84  
3W (11.4–169.4 m) Pliocene/Pleistocene and Miocene/Pliocene boundaries            
  4H-1, 40 Within range of D. hamatus >9.69   169.80        
6H-CC 7H-2, 74 B Discoaster hamatus (NN9) 10.55 192.83 194.70 193.77 0.93 218.46 195.05
6H-CC 7H-2, 74 T Coccolithus miopelagicus 10.60 192.83 194.70 193.77 0.93 218.46 195.05
7H-3, 100 7H-4, 50 B Catinaster coalitus (NN8) 10.89 196.80 197.80 197.30 0.50 222.07 198.28
9H-3, 75 9H-4, 75 Tc Discoaster kugleri 11.58 215.55 217.05 216.30 0.75 244.12 217.96
10X-CC 11X-CC Bc Discoaster kugleri (NN7) 11.86 230.70 238.96 234.83 4.13 263.19 234.99
10X-CC 11X-CC T Cyclicargolithus floridanus 12.03 230.70 238.96 234.83 4.13 263.19 234.99
10X-CC 11X-CC T Coronocyclus nitescens 12.12 230.70 238.96 234.83 4.13 263.19 234.99
10X-CC 11X-CC T Calcidiscus premacintyrei 12.45 230.70 238.96 234.83 4.13 263.19 234.99
15X-5, 30 15X-CC T Sphenolithus heteromorphus (NN6) 13.53 275.60 276.57 276.09 0.48 313.08 279.53
18X-5, 31 18X-CC T Helicosphaera ampliaperta (NN5) 14.91 304.41 307.60 306.01 1.60 341.72 305.10
21X-1, 65 21X-2, 75 Tc Discoaster deflandrei 15.66 315.80 316.89 316.35 0.54 352.86 315.05
23X-2, 80 23X-2, 145 Bc Sphenolithus heteromorphus 17.71 348.30 348.95 348.63 0.32 387.03 345.56
23X-3, 145 23X-4, 80 Tc Sphenolithus belemnos (NN4) 17.95 350.45 351.30 350.88 0.43 389.28 347.57
23X-3, 145 23X-5, 80 T Triquerorhabdulus carinatus (NN3) 18.28 350.45 352.80 351.63 1.18 390.03 348.24
25X-3, 60 25X-4, 60 B Sphenolithus belemnos 19.03 368.80 370.30 369.55 0.75 406.88 363.29
30X-CC 31X-1, 60 Tc Triquerorhabdulus carinatus 22.09 437.20 437.62 437.41 0.21 492.21 439.47
    Oligocene/Miocene boundary 23.03            
32X-4, 80 32X-CC T Sphenolithus delphix 23.1 432.06 440.23 436.15 4.09 490.85 438.25
33X-1, 100 33X-2, 4 B Sphenolithus delphix 23.2 437.70 438.24 437.97 0.27 492.67 439.88
321-U1337D- 321-U1337D-
1H-5, 40 1H-5, 75 T Pseudoemiliania lacunosa (NN20) 0.44 6.40 6.75 6.58 0.18 6.63 5.92
2H-2, 60 2H-3, 40 Tc Reticulofenestra asanoi 0.91 10.10 11.40 10.75 0.65 11.80 10.54
3H-3, 135 3H-4, 105 T Calcidiscus macintyrei 1.61 21.85 23.05 22.45 0.60 24.35 21.74
    Pliocene/Pleistocene boundary 1.81            
3H-CC 4H-1, 100 T Discoaster brouweri (NN19) 1.93 27.24 28.00 27.62 0.38 29.90 26.70
4H-1, 100 4H-2, 70 Bc Discoaster triradiatus 2.14 28.00 29.20 28.60 0.60 31.26 27.91
5H-1, 90 5H-3, 90 T Discoaster pentaradiatus (NN18) 2.39 37.40 40.40 38.90 1.50 42.77 38.19
5H-1, 90 5H-3, 90 T Discoaster surculus (NN17) 2.49 37.40 40.40 38.90 1.50 42.77 38.19
6H-4, 50 6H-CC T Reticulofenestra pseudoumbilicus (NN16) 3.70 51.00 55.25 53.13 2.13 58.64 52.35
9H-4, 50 9H-5, 50 T Ceratolithus acutus 5.04 79.50 81.00 80.25 0.75 89.40 79.82
    Miocene/Pliocene boundary 5.33            
10H-1, 50 10H-2, 130 B Ceratolithus acutus 5.35 84.50 86.80 85.65 1.15 96.58 86.23
10H-6, 50 11H-1, 70 T Discoaster quinqueramus (NN12) 5.58 92.00 102.00 97.00 5.00 108.73 97.08
11H-5, 76 11H-6, 100 T Nicklithus amplificus 5.98 100.26 102.00 101.13 0.87 113.66 101.48
13H-2, 80 13H-3, 80 B Nicklithus amplificus 6.91 114.80 116.30 115.55 0.75 130.82 116.80
14H-5, 70 14H-6, 70 TP Reticulofenestra pseudoumbilicus 7.07 128.70 130.20 129.45 0.75 145.70 130.09
14H-CC 15H-1, 50 B Amaurolithus spp. 7.36 131.35 132.00 131.68 0.33 148.40 132.50
16H-6, 60 17H-1, 80 B Discoaster berggrenii (NN11) 8.29 149.10 151.30 150.20 1.10 169.65 151.47
17H-3, 80 17H-4, 40 BP Reticulofenestra pseudoumbilicus 9.10 154.30 155.40 154.85 0.55 174.78 156.05
18H-CC 19H-1, 60 T Discoaster hamatus (NN10) 9.69 169.97 170.10 170.04 0.06 191.17 170.68
21H-CC 22H-2, 32 B Discoaster hamatus (NN9) 10.55 195.17 195.32 195.25 0.08 217.81 194.47
21H-CC 22H-2, 33 T Coccolithus miopelagicus 10.60 195.17 195.32 195.25 0.08 217.81 194.47
23H-1, 50 23H-2, 50 B Catinaster coalitus (NN8) 10.89 200.20 201.70 200.95 0.75 226.50 202.23
24H-CC 25H-1, 60 Tc Discoaster kugleri 11.58 219.45 219.30 219.38 –0.07 246.38 219.98
26H-5, 50 26H-6, 50 Bc Discoaster kugleri (NN7) 11.86 234.70 236.20 235.45 0.75 262.96 234.79
27X-1, 15 27X-2, 40 T Cyclicargolithus floridanus 12.03 237.85 239.35 238.60 0.75 265.27 236.85
27X-1, 15 27X-2, 40 T Coronocyclus nitescens 12.12 237.85 239.35 238.60 0.75 265.27 236.85
27X-1, 15 27X-2, 40 T Calcidiscus premacintyrei 12.45 237.85 239.35 238.60 0.75 265.27 236.85
32X-2, 5 32X-2, 70 T Sphenolithus heteromorphus (NN6) 13.53 277.75 278.40 278.08 0.32 313.59 279.99
35X-4, 96 35X-5, 80 T Helicosphaera ampliaperta (NN5) 14.91 310.36 311.70 311.03 0.67 345.47 308.46
36X-1, 72 36X-2, 80 Tc Discoaster deflandrei 15.66 315.22 316.80 316.01 0.79 350.92 313.32
39X-6, 70 39X-CC Bc Sphenolithus heteromorphus 17.71 351.40 352.90 352.15 0.75 386.59 345.17
40X-1, 60 40X-2, 60 Tc Sphenolithus belemnos (NN4) 17.95 353.40 354.90 354.15 0.75 389.19 347.49
42X-2, 60 42X-3, 60 B Sphenolithus belemnos 19.03 374.10 375.60 374.85 0.75 413.16 368.89
47X-CC 48X-1, 80 Tc Triquerorhabdulus carinatus 22.09 423.89 429.90 426.90 3.01 480.30 428.84

Note: T = top, Bc = bottom common, B = bottom, TP = top paracme, BP = bottom paracme, Tc = top common, X = abundance crossover.

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