Table T4. Distribution of main calcareous nannofossil species in Holes 1092A and 1092B. Notes: Abundance abbreviations: D = dominant, A = abundant, C = common, F = few, R = rare. Preservation abbreviations: G = good, M = moderate, P = poor. For more specific definitions, refer to "Biostratigraphy," p. 10, in 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 antarcticus Coccolithus miopelagicus Cyclicargolithus abisectus Cyclicargolithus floridanus Calcidiscus premacintyrei Coronociclus nitescens Dictyococcites productus Reticulofenestra pseudoumbilicus Reticulofenestra minutula Reticulofenestra minuta Discoaster brouweri Discoaster pentaradiatus 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 1092 A 1 H 1 0 0 0 2.55 A G D R D R C 177 1092 A 1 H 1 30 30 0.3 2.85 F P C D 177 1092 A 1 H 1 110 110 1.1 3.65 F P F F C C R C D C 177 1092 A 1 H 2 0 0 1.5 4.05 F P C A C C C A F 177 1092 A 1 H 3 0 0 3 5.55 A P A C C A A 177 1092 A 1 H 4 0 0 4.5 7.05 F P F R R F R D 177 1092 A 1 H 5 0 0 6 8.55 A M A A F A F A C 177 1092 A 1 H 6 0 0 7.5 10.05 A M F D C A A C 177 1092 A 1 H CC 7 12 8 10.55 A G C A A C A R 177 1092 A 2 H 1 0 0 8 11.62 A M D C C R D 177 1092 A 2 H 2 0 0 9.5 13.12 A M C C A C R A 177 1092 A 2 H 3 0 0 11 14.62 A P C A C C R A R 177 1092 A 2 H 4 0 0 12.5 16.12 A M A A C C A C 177 1092 A 2 H 5 0 0 14 17.62 A P C C C C C F F A 177 1092 A 2 H 6 0 0 15.5 19.12 C P C D C F R R 177 1092 A 2 H CC 9 14 16.11 19.73 A M D F F C 177 1092 A 3 H 1 0 0 17.5 22.23 A P A A C R A F C 177 1092 A 3 H 2 0 0 19 23.73 A P F D C F F R A C 177 1092 A 3 H 3 0 0 20.5 25.23 A P C D C C C C 177 1092 A 3 H 4 0 0 22 26.73 C P C A C F R A C 177 1092 A 3 H 5 0 0 23.5 28.23 A M R D F 177 1092 A 3 H 6 0 0 25 29.73 A M F C D C C F 177 1092 A 3 H CC 9 14 26.24 30.97 F P F D F R R R 177 1092 A 4 H 1 0 0 27 31.87 F P F R D F F 177 1092 A 4 H 2 0 0 28.5 33.37 C P C A C C R C ? 177 1092 A 4 H 3 0 0 30 34.87 A P F D C 177 1092 A 4 H 4 0 0 31.5 36.37 A P C C F C C F R C 177 1092 A 4 H 5 0 0 33 37.87 A M C A C A C C 177 1092 A 4 H 6 0 0 34.5 39.37 A P C C C C F R F 177 1092 A 4 H 7 0 0 36 40.87 A M C C D F 177 1092 A 4 H CC 9 14 36.74 41.61 A M C D F C 177 1092 A 5 H CC 10 15 45.82 51.69 A G D A A R R A C F 177 1092 A 6 H 3 100 100 50 57.89 A G C A D F F 177 1092 A 6 H 4 100 100 51.5 59.39 A M C A A A F A 177 1092 A 6 H 5 100 100 53 60.89 A M C F A C F R F D 177 1092 A 6 H 6 0 0 53.5 61.39 A M A A D F C A 177 1092 A 6 H 6 100 100 54.5 62.39 A M F R A D R C R A 177 1092 A 6 H CC 0 10 54.83 62.72 A M R A A D R C R 177 1092 A 7 H 1 0 0 55.5 64.19 C P F A A F 177 1092 A 7 H 1 100 100 56.5 65.19 A M F R A A A C 177 1092 A 7 H 2 100 100 58 66.69 A M C R A D A F R 177 1092 A 7 H 3 100 100 59.5 68.19 A M A C C A A C F 177 1092 A 7 H 4 100 100 61 69.69 A M A C A A C 177 1092 A 7 H 5 100 100 62.5 71.19 A M C C A D C 177 1092 A 7 H CC 15 20 64.82 73.51 A M A A A F 177 1092 A 8 H 1 100 100 66 75.45 A M F A A C 177 1092 A 8 H 2 100 100 67.5 76.95 A M R C A D 177 1092 A 8 H 3 100 100 69 78.45 A M R F C C D R 177 1092 A 8 H 4 100 100 70.5 79.95 A M F D F A C R 177 1092 A 8 H 5 100 100 72 81.45 A M A D F 177 1092 A 8 H 6 100 100 73.5 82.95 A M A A A 177 1092 A 8 H CC 11 16 73.72 83.17 A P A C A 177 1092 A 9 H 1 70 70 75.2 84.53 A M D F C 177 1092 A 9 H 2 70 70 76.7 86.03 A M D R A 177 1092 A 9 H 3 70 70 78.2 87.53 A M C R D R R 177 1092 A 9 H 4 70 70 79.7 89.03 A M D F C R 177 1092 A 9 H 5 70 70 81.2 90.53 A M A R A 177 1092 A 9 H 6 70 70 82.55 91.88 A M A A C 177 1092 A 9 H CC 10 15 83.97 93.3 A M A F A R R 177 1092 A 10 H CC 15 20 93.63 104.17 A M A F A R 177 1092 A 11 H CC 0 10 102.77 115.26 A M A C A 177 1092 A 12 H CC 28 33 113.08 125.49 A M A C A F 177 1092 A 13 H CC 10 15 121.55 135.77 A M D C A R R 177 1092 A 14 H CC 10 15 131.11 147.23 A M C F D C F R 177 1092 A 15 H CC 14 19 141.03 159.27 A M D F A F 177 1092 A 16 H CC 14 19 149.91 169.09 A M D C C C F 177 1092 A 17 H 1 0 0 150.5 168.72 A M D C A F 177 1092 A 17 H 2 0 0 152 170.22 A M D A C F 177 1092 A 17 H 5 0 0 155.93 174.15 A M A F A A R R 177 1092 A 17 H 6 0 0 157.43 175.65 A M A F C A F R 177 1092 A 17 H CC 32 37 158.51 176.73 A M A F A F R 177 1092 A 18 H 1 0 0 160 179.85 A M R R C F A F F 177 1092 A 18 H 3 0 0 163 182.85 C M F F F A C C 177 1092 A 18 H 4 0 0 164.5 184.35 C M C A F F A A 177 1092 A 18 H 5 0 0 166 185.85 C M R A F A C 177 1092 A 18 H 6 0 0 167.5 187.35 A M A A F C 177 1092 A 18 H CC 0 7 168.5 188.35 A M A C F 177 1092 A 19 H 1 0 0 169.5 191.84 A M A C R C A 177 1092 A 19 H 2 0 0 171 193.34 A M R A F R F A C 177 1092 A 19 H 3 0 0 172.5 194.84 A M C A R F A 177 1092 A 19 H 4 0 0 174 196.34 A M R C D F C 177 1092 A 19 H 5 0 0 175.5 197.84 A M C A C C 177 1092 A 19 H CC 72 77 178.63 200.97 A M F F C F F 177 1092 A 20 H 1 0 0 179 201.34 F P F C A D 177 1092 A 20 H 2 0 0 180.5 202.84 F P F A A F 177 1092 A 20 H 3 0 0 182 204.34 C M R F R D A 177 1092 A 20 H 4 0 0 183.5 205.84 C P C A A C 177 1092 A 20 H 5 0 0 185 207.34 C M F F D C 177 1092 A 20 H 6 0 0 186.5 208.84 C M R F F A A 177 1092 A 20 H CC 13 18 188.35 210.69 A M F C 177 1092 B 1 H 1 10 10 0.1 0.65 A G C C R R D 177 1092 B 1 H 1 60 60 0.6 1.15 A G C F A 177 1092 B 1 H 1 117 117 1.17 1.72 A M F F C F C 177 1092 B 1 H 2 10 10 1.6 2.15 F M A C C ? 177 1092 B 1 H 2 70 70 2.2 2.75 A G D F 177 1092 B 1 H 2 126 126 2.76 3.31 A M F F R A R F 177 1092 B 1 H 3 50 50 3.5 4.05 C M A F F C C 177 1092 B 1 H 3 100 100 4 4.55 A M R A F F contamination E. huxleyi? 177 1092 B 1 H 4 68 68 5.18 5.73 F M F F C R A R F ? 177 1092 B 1 H 4 130 130 5.8 6.35 A M F D C 177 1092 B 1 H 5 84 84 6.84 7.39 A M F F F D R 177 1092 B 1 H 5 100 100 7 7.55 A M R F C D 177 1092 B 2 H 1 44 44 7.84 8.69 C M A F F A F F 177 1092 B 2 H 2 115 115 10.05 10.9 A G A F D R 177 1092 B 2 H 3 80 80 11.2 12.05 C M C F F R D F 177 1092 B 2 H 4 80 80 12.7 13.55 C M F F F R A 177 1092 B 2 H 5 40 40 13.8 14.65 C M C F D C F R 177 1092 B 2 H 6 30 30 15.2 16.05 C M C A F F C R C C reworking 177 1092 B 2 H 7 30 30 16.2 17.05 C M D F R R A 177 1092 B 3 H 1 40 40 17.3 18.54 A M F F A C C C A A 177 1092 B 3 H 2 120 120 19.6 20.84 C P C C A C F C C C 177 1092 B 3 H 3 40 40 20.3 21.54 A M A F C R C A 177 1092 B 3 H 4 40 40 21.8 23.04 A M A F R R F F 177 1092 B 3 H 5 40 40 23.3 24.54 A M A C C F A F 177 1092 B 3 H 5 140 140 24.3 25.54 A M A C F R C 177 1092 B 4 H 1 40 40 26.8 28.01 A M D F A F 177 1092 B 4 H 1 90 90 27.3 28.51 A M F D C C C C 177 1092 B 4 H 2 140 140 29.3 30.51 A M D F R F 177 1092 B 4 H 3 40 40 29.8 31.01 A M A R F C 177 1092 B 4 H 3 140 140 30.8 32.01 A M D R C R 177 1092 B 4 H 4 40 40 31.3 32.51 A M A F R F 177 1092 B 4 H 3 140 140 30.8 32.01 C M C A F F F 177 1092 B 4 H 4 140 140 32.3 33.51 C M C A F F F 177 1092 B 4 H 6 60 60 34.5 35.71 C M A A D F 177 1092 B 5 H 1 130 130 37.2 39.37 C M R F F D F F 177 1092 B 5 H 2 30 30 37.7 39.87 C M C R D C F F 177 1092 B 5 H 3 140 104 40.3 42.47 C M R R D F R F 177 1092 B 5 H 5 40 40 42.3 44.47 C M F F D F R R 177 1092 B 6 H 1 30 30 45.7 49.49 C M C C F A R reworking R 177 1092 B 7 H 1 60 60 55.5 58.15 C M R R D ? F