Table T6. Distribution of main calcareous nannofossil species in Holes 1089A and 1089B. Notes: Abundance abbreviations: D = dominant, A = abundant, C = common, F = few, R = rare, B = barren. Preservation abbreviations: G = good, M = moderate, P = poor. For more specific definitions, refer to the "Explanatory Notes" chapter. Taxon distribution is mainly described in those stratigraphic intervals where events can be identified. Leg Site Hole Core Type Section Sample Top (cm) Sample Bottom (cm) Depth (mbsf) Depth (mcd) Abundance Preservation Discoaster brouweri Gephyrocapsa caribbeanica Calcidiscus macintyrei Gephyrocapsa small Gephyrocapsa medium (4-5.5 micro-m) Gephyrocapsa large (>5.5 micro-m) Gephyrocapsa sp. 3 Reticulofenestra asanoi Pseudoemiliania lacunosa Emiliania huxleyi Comments 177 1089 A 1 H CC 17 22 7.27 7.03 A G D C 177 1089 A 2 H CC 16 21 16.9 16.48 A M A C A 177 1089 A 3 H CC 13 18 21.18 24.02 A M D C 177 1089 A 4 H CC 22 27 30.66 35.04 C M F 177 1089 A 5 H 2 70 70 38 38.96 A M F 177 1089 A 5 H 2 100 100 38.3 39.26 A M F 177 1089 A 5 H 2 130 130 38.6 39.56 F M F 177 1089 A 5 H 2 149 149 38.79 39.75 C M 177 1089 A 5 H CC 14 19 43.36 44.32 C disturbed 177 1089 A 6 H CC 18 23 52.25 54.13 A M C 177 1089 A 7 H 1 130 130 56.1 60.24 A M A A R 177 1089 A 7 H 1 120 120 56 60.14 C P A A R 177 1089 A 7 H 2 30 30 56.6 60.74 C M D 177 1089 A 7 H 2 120 120 57.5 61.64 C M D 177 1089 A 7 H 3 30 30 58.1 62.24 A G D 177 1089 A 7 H CC 51 56 63.4 67.54 A G A C ? 177 1089 A 8 H 1 30 30 64.6 69.37 C M R 177 1089 A 8 H 1 120 120 65.5 70.27 A M R 177 1089 A 8 H 2 30 30 66.1 70.87 A G D C R 177 1089 A 8 H 2 120 120 67 71.77 A M D F F 177 1089 A 8 H 3 30 30 67.6 72.37 A M D D F F 177 1089 A 8 H 3 120 120 68.5 73.27 C P C C 177 1089 A 8 H 4 30 30 69.1 73.87 A P C 177 1089 A 8 H 4 120 120 70 74.77 C M C F F C 177 1089 A 8 H 5 30 30 70.6 75.37 A M A 177 1089 A 8 H 5 120 120 71.5 76.27 F P C R 177 1089 A 8 H 6 30 30 72.1 76.87 C M F 177 1089 A 8 H 6 120 120 73 77.77 C M D 177 1089 A 8 H 7 10 10 73.4 78.17 A P D R 177 1089 A 8 H 7 60 60 73.9 78.67 A M C 177 1089 A 8 H CC 9 14 74.03 78.8 A M A C 177 1089 A 9 H CC 10 15 75.24 81.42 A G D F F C 177 1089 A 10 H CC 0 15 92.97 97.5 A M A C A R C 177 1089 A 11 H CC 53 58 97.9 103.69 A M A A R C 177 1089 A 12 H 3 30 30 105.6 111.39 C M R C 177 1089 A 12 H 4 120 120 108 113.79 A M F 177 1089 A 12 H 6 30 30 110.1 115.89 C M F C 177 1089 A 12 H 7 30 30 111.5 117.29 F M F 177 1089 A 12 H CC 0 5 111.59 117.38 A M D C F F 177 1089 A 13 H CC 0 5 111.8 111.8 A M D C F C 177 1089 A 14 H CC 11 16 130.07 135.86 A G D F R C 177 1089 A 15 H CC 21 26 136.7 142.49 F M A C F C 177 1089 A 16 H CC 9 14 149.24 156.66 A M F F C 177 1089 A 18 H 1 30 30 159.6 167.56 C M F C 177 1089 A 18 H 2 30 30 161.1 169.06 C M F F 177 1089 A 18 H 2 130 130 162.1 170.06 C M F F 177 1089 A 18 H 3 130 130 163.6 171.56 C M F C 177 1089 A 18 H 4 30 30 164.1 172.06 B barren 177 1089 A 18 H 4 130 130 165.1 173.06 B barren 177 1089 A 18 H 5 30 30 165.6 173.56 C M F 177 1089 A 18 H 5 70 70 166 173.96 C M C 177 1089 A 18 H CC 21 26 166.22 174.18 A M reworking 177 1089 A 19 H 1 30 30 169.1 177.11 F M F 177 1089 A 19 H 1 120 120 170 178.01 C M F C 177 1089 A 19 H 2 30 30 170.6 178.61 B barren 177 1089 A 19 H 3 30 30 172.1 180.11 C M C A 177 1089 A 19 H 4 30 30 173.6 181.61 C M F F 177 1089 A 19 H 5 30 30 175.1 183.11 B barren 177 1089 A 19 H 5 120 120 176 184.01 B barren 177 1089 A 19 H CC 0 10 177.69 185.7 A M C C 177 1089 A 20 H CC 13 23 187.53 195.35 A M C C 177 1089 A 21 H CC 21 26 195.09 208.71 F M C A 177 1089 A 23 H 1 30 30 207.1 219.4 F M F C 177 1089 A 23 H 1 120 120 208 220.3 B barren 177 1089 A 23 H 2 30 30 208.6 220.9 A M F F C 177 1089 A 23 H 2 120 120 209.5 221.8 C M F F C 177 1089 A 23 H 3 30 30 210.1 222.4 A M F F C 177 1089 A 23 H 3 120 120 211 223.3 A M R C 177 1089 A 23 H 4 30 30 211.6 223.9 A M F F F 177 1089 A 23 H 4 120 120 212.5 224.8 A M F A 177 1089 A 23 H 5 130 130 214.1 226.4 A M R R 177 1089 A 23 H 6 20 20 214.5 226.8 A M F F 177 1089 A 23 H 6 60 60 214.9 227.2 B barren 177 1089 A 23 H CC 31 41 215.29 227.59 A M R C empty (Pliocene reworking?) 177 1089 B 2 H CC 10 15 13.67 19.37 A C C C C 177 1089 B 3 H CC 8 16 23.12 28.56 A M A C C C 177 1089 B 4 H CC 12 17 32.42 38.02 A M A A A A R 177 1089 B 5 H 2 30 30 35.1 39.56 A M F C F 177 1089 B 5 H 2 130 130 36.1 40.56 B barren 177 1089 B 5 H 3 30 30 36.6 41.06 F M A ? 177 1089 B 5 H 3 130 130 37.6 42.06 A P F ? 177 1089 B 5 H 4 30 30 38.1 42.56 C M ? 177 1089 B 5 H 4 120 120 39 43.46 F M ? 177 1089 B 5 H CC 16 21 41.9 46.36 B barren 177 1089 B 6 H 1 30 30 43.1 49.3 A M A ? 177 1089 B 6 H 1 120 120 44 50.2 A M C 177 1089 B 6 H CC 11 16 51.18 57.38 A M C A R 177 1089 B 7 H 6 80 80 60.6 68.02 A M R 177 1089 B 7 H CC 8 14 60.73 68.15 A M D 177 1089 B 8 H 1 30 30 62.1 70.15 A M F 177 1089 B 8 H 1 120 120 63 71.05 A M R 177 1089 B 8 H 2 30 30 63.6 71.65 A M F 177 1089 B 8 H 2 120 120 64.5 72.55 A M F 177 1089 B 8 H CC 20 25 70.02 78.07 A M A D F 177 1089 B 9 H CC 15 20 80.24 89.61 A P D C 177 1089 B 10 H CC 15 20 88.25 99.51 A M C C 177 1089 B 11 H CC 9 14 99.09 110.35 A M A C 177 1089 B 12 H 6 100 100 108.3 119.56 C M 177 1089 B 12 H CC 8 13 108.43 119.69 A M D C C 177 1089 B 13 H 1 30 30 109.6 120.86 F M F 177 1089 B 13 H 1 130 130 110.6 121.86 C M R F 177 1089 B 13 H 2 30 30 111.1 122.36 F P R R 177 1089 B 13 H 2 130 130 112.1 123.36 C M R C 177 1089 B 13 H 3 30 30 112.6 123.86 C M F 177 1089 B 13 H 3 130 130 113.6 124.86 C M R F 177 1089 B 13 H 4 30 30 114.1 125.36 C M R C 177 1089 B 13 H 4 130 130 115.1 126.36 A M F F C 177 1089 B 13 H 6 108 108 117.88 129.14 A M F F C 177 1089 B 13 H CC 0 8 117.9 129.16 A M C C C 177 1089 B 14 H CC 14 19 127.14 138.4 A M C C C 177 1089 B 15 H 1 130 130 129.6 140.86 A M C A C 177 1089 B 15 H 6 30 30 136.1 147.36 A M C C A 177 1089 B 16 H 1 30 30 138.1 149.36 A M C F 177 1089 B 16 H 5 130 130 145.1 156.36 A M C C C 177 1089 B 16 H 6 30 30 145.6 156.86 A M R C 177 1089 B 16 H CC 12 17 146.4 157.66 A M C A 177 1089 B 17 H 1 30 30 147.6 158.86 A M R R C 177 1089 B 17 H 1 120 120 148.5 159.76 C M F C A 177 1089 B 17 H 2 30 30 149.1 160.36 C M F R A 177 1089 B 17 H 2 120 120 150 161.26 C M C C 177 1089 B 17 H 4 30 30 152.1 163.36 A G R C 177 1089 B 17 H 4 120 120 153 164.26 A G C C 177 1089 B 17 H 5 30 30 153.6 164.86 A M C reworking 177 1089 B 17 H 5 120 120 154.5 165.76 C P C 177 1089 B 17 H CC 18 23 155.28 166.54 A M A 177 1089 B 18 H 1 30 30 157.1 168.36 C M C 177 1089 B 18 H 1 120 120 158 169.26 F P F 177 1089 B 18 H 2 120 120 159.5 170.76 B barren 177 1089 B 18 H 4 120 120 162.5 173.76 B barren 177 1089 B 18 H CC 13 18 165.39 176.65 A M C 177 1089 B 19 H 5 120 120 173.5 185.34 A G A C A C 177 1089 B 20 H 1 120 120 177 189.68 A G A A C 177 1089 B 20 H 4 120 120 181.5 194.18 A G A A C A 177 1089 B 20 H 5 20 20 182 194.68 A G A C C 177 1089 B 20 H 6 30 30 182.88 195.56 C G C C C C 177 1089 B 20 H CC 0 10 185.15 197.83 R P R almost barren 177 1089 B 21 H 5 30 30 191.6 206.7 B barren 177 1089 B 21 H CC 11 16 194.21 209.31 R P R R R almost barren 177 1089 B 22 H 2 130 130 197.6 212.7 A G A A C 177 1089 B 22 H 5 130 130 202.1 217.2 A G C C 177 1089 B 22 H CC 0 5 204.3 219.4 B barren 177 1089 B 23 H 1 30 30 204.6 219.7 R P F R 177 1089 B 23 H 1 130 130 205.6 220.7 B barren 177 1089 B 23 H 2 30 30 206.1 221.2 A M R A 177 1089 B 23 H 3 30 30 207.6 222.7 C M R C 177 1089 B 23 H 3 130 130 208.6 223.7 F P C 177 1089 B 23 H 4 30 30 209.1 224.2 A M F C 177 1089 B 23 H 4 130 130 210.1 225.2 A M R C 177 1089 B 24 H 5 30 30 220.1 235.2 B barren 177 1089 B 24 H 6 30 30 221.6 236.7 F P R 177 1089 B 24 H CC 23 28 223.43 238.53 A P R VA reworking (Pliocene?) 177 1089 B 25 H 3 130 130 227.6 242.7 F P 1 C 177 1089 B 25 H 5 130 130 230.6 245.7 C P F F C 177 1089 B 25 H CC 14 19 232.78 247.88 F P R A 177 1089 B 26 H 4 130 130 238.6 253.7 B barren 177 1089 B 26 H 6 130 130 241.6 256.7 R P R R 177 1089 B 26 H CC 11 16 242.01 257.11 B barren 177 1089 B 27 H CC 45 53 250.79 265.89 B barren 177 1089 B 28 H CC 25 30 257.84 272.94 B barren 177 1089 B 29 H CC 62 67 264.91 280.01 B barren