Table T5. Distribution of main calcareous nannofossil species in Holes 1093A, 1093B, and 1093D. 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. The distributions of the species are mainly described in stratigraphic intervals where events are identified. Leg Site Hole Core Type Section Sample top (cm) Sample bottom (cm) Depth (mbsf) Depth (mcd) Abundance Preservation Dictyococcites antarticus Reticulofenestra pseudoumbilica Discoaster brouweri Dictyococcites productus Reticulofenestra minuta Reticulofenestra minutula Coccolithus pelagicus Pseudoemiliania lacunosa Calcidiscus leptoporus Calcidiscus macintyrei Helicosphaera carteri Gephyrocapsa small Gephyrocapsa caribbeanica Gephyrocapsa medium (4-5.5 micro-m) Gephyrocapsa large (>5.5 micro-m) Gephyrocapsa sp.3 Reticulofenestra asanoi Emiliania huxleyi Comments 177 1093 A 1 H 1 80 80 0.8 0.8 C G C C A D 177 1093 A 1 H 4 60 60 5.1 5.1 F G A F A A 177 1093 A 1 H 6 80 80 8.3 8.3 R M C F F A 177 1093 A 1 H CC 12 17 8.49 8.49 R M F R A F A 177 1093 A 2 H 3 30 30 11.8 11.98 R P R C A 177 1093 A 2 H 5 30 30 14.8 14.98 R P R A R C 177 1093 A 2 H 6 30 30 16.3 16.48 R M R C C C 177 1093 A 2 H CC 12 17 18.09 18.27 B 177 1093 A 3 H 1 30 30 18.3 19.68 A M C R D A 177 1093 A 3 H 2 30 30 19.8 21.18 A M F A D 177 1093 A 3 H 4 30 30 22.8 24.18 C P C A C D 177 1093 A 3 H CC 11 16 27.69 29.07 R P C R A 177 1093 A 4 H 1 30 30 27.8 31.78 A P A R F A 177 1093 A 4 H 2 40 40 29.4 33.38 A M F A F A C A 177 1093 A 4 H 2 120 120 30.2 34.18 A M A F A A C F 177 1093 A 4 H 3 30 30 30.8 34.78 R P A F C A ? 177 1093 A 4 H 4 30 30 32.3 36.28 B 177 1093 A 4 H CC 10 15 37.49 41.47 B 177 1093 A 5 H 3 30 30 40.3 43.66 B 177 1093 A 5 H 6 30 30 44.8 48.16 R P C C C C 177 1093 A 5 H 7 20 20 46.2 49.56 R M R F C F F 177 1093 A 5 H CC 15 20 46.86 50.22 B 177 1093 A 6 H 2 69 69 48.69 54.03 B 177 1093 A 6 H 6 30 30 54.3 59.64 B 177 1093 A 6 H CC 0 10 56.01 61.35 R M F C C 177 1093 A 7 H 1 132 132 57.32 63.68 R P F R C D F 177 1093 A 7 H 2 35 35 57.85 64.21 R M F C C F F R 177 1093 A 7 H CC 24 29 65.52 71.83 R M F C R A C 177 1093 A 8 H 1 25 25 65.75 73.28 C M F F F A F 177 1093 A 8 H 1 140 140 66.9 74.43 C M F C R A A C 177 1093 A 8 H 2 65 65 67.65 75.18 F P F C A A ? 177 1093 A 8 H CC 0 10 75.09 82.62 B 177 1093 A 9 H CC 15 20 84.77 92.44 B 177 1093 A 10 H CC 0 10 93.93 103.06 F M R ? R R D 177 1093 A 11 H 1 30 30 94.3 104.65 F M F F R D F 177 1093 A 11 H 2 10 10 95.6 105.95 C M R R A A F 177 1093 A 11 H 4 40 40 98.9 109.25 B 177 1093 A 11 H CC 16 21 103.76 114.11 B 177 1093 A 12 H 2 30 30 105.3 116.93 B 177 1093 A 12 H 5 120 120 110.7 122.33 B 177 1093 A 12 H 7 30 30 112.8 124.43 A M R D F F 177 1093 A 12 H CC 0 10 113.06 124.69 A M R R D R 177 1093 A 13 H 1 80 80 113.8 125.47 A P F D F 177 1093 A 13 H 3 80 80 116.8 128.47 C M F R D F R 177 1093 A 13 H 4 30 30 117.8 129.47 C M R D A 177 1093 A 13 H 5 60 60 119.6 131.27 C M F R D C 177 1093 A 13 H CC 15 20 122.43 134.1 B 177 1093 A 14 H 5 110 110 129.6 142.21 R P R D F 177 1093 A 14 H CC 10 15 131.74 144.35 B 177 1093 A 14 H 5 110 110 129.6 142.21 R P R D F 177 1093 A 15 H 2 40 40 133.9 146.43 R P D F 177 1093 A 15 H 5 40 40 138.4 150.93 R M R ? A F 177 1093 A 15 H 6 40 40 139.9 152.43 R M R A F 177 1093 A 15 H 7 40 40 141.4 153.93 R M R R R D F 177 1093 A 15 H CC 11 16 141.86 154.39 R P R R 177 1093 A 16 H 3 129 129 145.79 159.16 A P R F R R D R 177 1093 A 16 H 4 23 23 146.23 159.6 C P R R A C 177 1093 A 16 H 5 94 94 148.44 161.81 C P R C A F R ? 177 1093 A 16 H CC 0 10 150.92 164.29 B 177 1093 A 17 H 3 119 119 155.19 168.3 C P C R C F R C R R 177 1093 A 17 H 4 12 12 155.62 168.73 C P A F F F R A F 177 1093 A 17 H 5 12 12 157.12 170.23 A M C C A C R A A 177 1093 A 17 H 5 126 126 158.26 171.37 A M C C A C R C R 177 1093 A 17 H CC 24 29 160.88 173.99 R P R R 177 1093 A 18 H 2 10 10 162.1 176.39 C P C A C F 177 1093 A 18 H 3 44 44 163.94 178.23 C P C A C R C 177 1093 A 18 H 5 30 30 166.8 181.09 C P F C C F A 177 1093 A 18 H 6 20 20 168.2 182.49 C P C A C C A 177 1093 A 18 H 7 70 70 170.2 184.49 C P C C C C F F 177 1093 A 18 H CC 10 15 170.37 184.66 F M C R C C F F R R 177 1093 A 19 H 1 44 44 170.44 187.53 R M A F F R R C 1 177 1093 A 19 H 6 44 44 177.94 195.03 B 177 1093 A 19 H 7 60 60 179.6 196.69 R M R C F D F R 177 1093 A 19 H CC 17 22 179.85 196.94 B 177 1093 A 20 H 2 30 30 181.3 200.35 C P C F F R R D 177 1093 A 20 H 4 60 60 184.6 203.65 C M C F C C A R 177 1093 A 20 H 6 50 50 187.5 206.55 R M D F C F R 177 1093 A 20 H CC 17 22 189.28 208.33 B 177 1093 A 21 H 2 110 110 191.6 212.15 C M F F C D 177 1093 A 21 H 4 22 22 193.72 214.27 A M C R R C R D F 177 1093 A 21 H 6 40 40 196.9 217.45 A M A F F C F D 177 1093 A 21 H CC 48 53 198.48 219.03 B 177 1093 A 22 H 1 30 30 198.8 219.29 C P F C R A R 177 1093 A 22 H 1 90 90 199.4 219.89 C P C C R C F 177 1093 A 22 H 2 30 30 200.3 220.79 A M R C C R C R F 177 1093 A 22 H CC 0 10 207.46 227.95 R P R R R 177 1093 A 23 H 3 90 90 211.9 232.99 R P R R R F 177 1093 A 23 H 3 122 122 212.22 233.31 R P C C C R R F 177 1093 A 23 H 5 43 43 214.43 235.52 F P C C 177 1093 A 23 H 5 128 128 215.28 236.37 C P F F C C F A 177 1093 A 23 H 6 54 54 216.04 237.13 F P R C F C 177 1093 A 23 H CC 0 10 217.63 238.72 F M F F C A R C 177 1093 A 24 H 2 130 130 220.3 242.19 A P A A C A R F C 177 1093 A 24 H 5 15 15 223.65 245.54 A P A A C R A R R 177 1093 A 24 H 5 140 140 224.9 246.79 A M A C R A cf. F 177 1093 A 24 H 6 50 50 225.5 247.39 A P A A A C R A R 177 1093 A 24 H CC 35 40 227.11 249 C M F C C A R 177 1093 A 25 H CC 25 30 235.16 256.2 B 177 1093 A 26 H 6 50 50 242.5 262.77 A P C A A C A R 177 1093 A 26 H CC 19 24 243.69 263.96 F P D F F F F R 177 1093 A 28 X 2 100 100 253.5 274.34 C M A A C F 177 1093 A 28 X 3 34 34 254.34 275.18 C M F F D C R 177 1093 A 28 X CC 12 17 257.85 278.69 R P C D 177 1093 A 29 X 1 30 30 261 281.84 F R A A F F R R 177 1093 A 29 X CC 13 18 264.63 285.47 B 177 1093 A 30 H 1 50 50 270.9 291.74 F M C R A F C 177 1093 A 30 H 2 31 31 272.01 292.85 F M R C R A C 177 1093 B 1 H 2 8 13 7.1 6.86 B 177 1093 B 2 H 3 0 10 16.16 17.04 R P C A 177 1093 B 3 H 4 8 13 21.89 30.26 A M A F C C A C F 177 1093 B 4 H 1 9 14 35.84 35.67 B 177 1093 B 5 H 1 4 12 45.21 47.74 B 177 1093 B 6 H 5 15 20 53.08 65.91 B 177 1093 B 7 H 6 10 15 63.89 75.97 B 177 1093 B 8 H 6 7 12 73.39 86.14 R M R A D R ? 177 1093 B 9 H CC 10 15 83.24 99.33 B 177 1093 B 10 H CC 17 22 91.91 108.38 B 177 1093 B 11 H CC 12 17 102.29 121 B F F D A 177 1093 B 12 H 2 40 40 104 123.55 A M R R D F 177 1093 B 12 H 3 40 40 105.5 125.05 A M F D F 177 1093 B 12 H 4 100 100 107.6 127.15 C M C D C 177 1093 B 12 H CC 18 23 110 130.23 C M 177 1093 B 13 H 1 94 94 112.54 131.25 C M R F F D C 177 1093 B 13 H CC 16 21 121.43 140.14 B 177 1093 B 14 H 1 110 110 122.2 141.85 R P D R 177 1093 B 14 H CC 11 16 130.23 149.88 R M F C R 177 1093 B 15 H 5 40 40 136.42 157.31 R M R D F 177 1093 B 15 H 6 40 40 137.92 158.81 R M R D F 177 1093 B 15 H 6 70 70 138.22 159.11 R M C R D F 177 1093 B 15 H CC 6 40 138.5 159.32 F R R R D R 177 1093 B 16 H CC 7 12 149.33 169.66 F M C C F D F 177 1093 B 17 H CC 7 12 158.62 179.95 R P F R A F F 177 1093 B 18 H CC 0 7 167.39 192.08 B 177 1093 B 19 H CC 6 11 178.18 202.85 F R A C F D F F 177 1093 B 20 H CC 23 28 186.91 214.8 R P R C R 177 1093 B 21 H CC 14 19 195.34 224.19 B 177 1093 B 22 H CC 15 20 205.44 233.45 R P R F R reworking 177 1093 B 23 H CC 24 29 215.8 245.25 A M A F D C F R C R 177 1093 B 24 H CC 0 10 221.8 252.11 C P A D C A C F 177 1093 C 1 H CC 0 12 7.88 14.94 R P C R C F 177 1093 C 2 H CC 0 10 13.76 23.3 R P C C R R C 177 1093 C 3 H CC 14 19 25.14 35.28 R P C R R R F R 177 1093 C 4 H CC 11 16 36.6 48.06 B 177 1093 C 5 H CC 11 16 44.5 58.92 R P R C A 177 1093 C 6 H CC 17 22 52.17 68.01 B 177 1093 C 7 H CC 0 10 64.59 78.4 B 177 1093 C 8 H CC 24 29 74.05 89.3 B 177 1093 C 9 H CC 15 20 83 100.01 B 177 1093 C 10 H CC 8 15 91.06 108.55 B 177 1093 C 11 H CC 13 18 101.06 120.02 B 177 1093 C 12 H CC 6 11 111.34 131.39 F P F D F 177 1093 C 13 H CC 13 18 114.37 138.42 B 177 1093 C 14 H CC 15 20 128.12 147.35 R P R D C 177 1093 C 15 H CC 9 14 136.86 161.37 R M R F D 177 1093 C 16 H CC 0 7 144.12 167.71 A P C C C C A F 177 1093 C 17 H CC 9 14 155.49 180.5 A P R A A C F 177 1093 C 18 H CC 11 16 162.19 189.12 B 177 1093 D 1 H CC 0 4 142.88 159.37 C P C R C C 177 1093 D 2 H CC 20 25 147.68 163.69 B 177 1093 D 3 H CC 0 10 159.9 175.13 F P F F R C R 177 1093 D 4 H CC 14 19 173.37 190.68 B 177 1093 D 5 H 3 0 0 177 195.23 C P F C C C R C F 177 1093 D 5 H 6 0 0 181.5 199.73 C P C C C C A F 177 1093 D 5 H CC 0 10 182.73 200.96 C P F C C F A 177 1093 D 6 H 1 0 0 183.5 204.99 C P F C C C R C F 177 1093 D 6 H CC 0 10 189.17 210.66 C P R F C A F 177 1093 D 7 H 1 0 0 193 213.69 A M A F C R D R 177 1093 D 8 H 3 0 0 205.5 227.33 R P D R 177 1093 D 8 H 4 0 0 207 228.83 F P C C F C F F 177 1093 D 8 H CC 10 15 208.42 230.25 B 177 1093 D 10 H 3 0 0 224.5 249.21 A M F D C C A F 177 1093 D 10 H 4 0 0 226 250.71 A G C D C C C C 177 1093 D 10 H CC 0 10 226.74 251.45 A M C F D C A R A C 177 1093 D 11 H 2 0 0 232.5 254.61 R P C C C R 177 1093 D 11 H 3 0 0 234 256.11 A P C D C F ? 177 1093 D 11 H 4 0 0 235.5 257.61 A M F D C C C C 177 1093 D 11 H 5 0 0 237 259.11 A M A F D A C F R 177 1093 D 11 H CC 0 10 237.67 259.78 A M C F D A C F A F 177 1093 D 12 H 1 0 0 240.5 265.89 C P D R C R 177 1093 D 12 H 4 0 0 245 270.09 C P A A C R C reworking 177 1093 D 12 H CC 15 20 245.52 270.61 R P C C C C 177 1093 D 13 H 4 0 0 254.5 275.6 C P A A C R C R 177 1093 D 14 H CC 0 10 259.98 286.08 R P F C R A F C R reworking R 177 1093 D 15 H CC 0 5 270.39 296.49 F M C A R A F R R 177 1093 D 15 H 1 0 0 269 295.1 R M F M C R R R reworking R 177 1093 D 16 H CC 0 5 278.5 304.6 R P dissolution (no identifiable forms) 177 1093 D 17 H CC 0 10 288.43 314.53 R P A C F F C 177 1093 D 18 H CC 0 2 297.5 323.6 R P R R F C A 177 1093 D 21 X CC 0 1 319 345.1 C P D R R F 177 1093 D 27 X CC 9 14 373.37 399.47 A P F A C C A ? 177 1093 D 28 X CC 5 15 378.78 404.88 C P C C F C ? 177 1093 D 32 X CC 20 24 415.3 441.4 B 177 1093 D 33 X CC 13 18 434.38 460.48 B 177 1093 D 34 X CC 24 29 441.35 467.45 B 177 1093 D 35 X 2 30 30 445.7 471.8 C M C D F F R 177 1093 D 35 X 4 40 40 448.8 474.9 C M D C F 177 1093 D 35 X 5 80 80 450.7 476.8 C M D F F R R 177 1093 D 35 X CC 0 1 452.99 479.09 B 177 1093 D 36 X 3 90 90 457.2 483.3 C M F C D F 177 1093 D 36 X 4 90 90 458.7 484.8 C M F C D F 177 1093 D 36 X 5 90 90 460.2 486.3 F M F R A F A R 177 1093 D 36 X 6 70 70 461.5 487.6 C M R F D F 177 1093 D 36 X CC 24 29 462.96 489.06 B 177 1093 D 37 X CC 20 25 472.74 498.84 B 177 1093 D 38 X CC 48 53 480.16 506.36 B 177 1093 D 39 X CC 13 18 489.12 515.22 B 177 1093 D 40 X CC 4 6 495.54 521.64 R P A A R R F 177 1093 D 41 X 1 0 0 501.3 527.4 F P A F C F 177 1093 D 41 X CC 26 31 502.69 528.79 B 177 1093 D 44 X 1 0 0 530.2 556.3 R P R R R 177 1093 D 45 X 3 0 0 542.9 569 C P A F A F 177 1093 D 46 X 1 0 0 549.5 575.6 C P A C R 177 1093 D 47 X 1 0 0 559.1 585.2 C P F C C R F 177 1093 D 48 X CC 17 19 568.97 595.07 B 177 1093 D 50 X CC 0 2 588.6 614.7 C P C cf. Late Miocene assemblage 177 1093 E 1 H CC 10 15 10.5 11.09 B 177 1093 E 2 H CC 13 18 37.94 44.42 B