Table T3. Control points used to calculate sedimentation rates at Site 1088. Notes: Code abbreviations: CN = calcareous nannofossils, DIAT = diatom. Event abbreviations: FO = first occurrence, LO = last occurrence, RE = reentrance, RAN = total range. Code Event/Zone Depth range of stratigraphic datums Age Sedimentation Top Base Mean (Ma) Rates Leg Site Hole Core Type Section Interval (cm) Depth (mbsf) Depth (mcd) Leg Site Hole Core Type Section Inerval (cm) Depth (mbsf) Depth (mcd) mbsf mcd (m/m.y.) CN acme E. huxleyi 177 1088 B 1 H 1 110 110 1.1 1.1 177 1088 B 1 H 1 120 120 1.2 1.2 1.15 1.15 0.085 ~12 CN FO E. huxleyi 177 1088 B 1 H 2 100 100 2.5 2.5 177 1088 B 1 H 2 130 130 2.8 2.8 2.65 2.65 0.26 ~12 CN LO P. lacunosa 177 1088 B 1 H 3 120 120 4.2 4.2 177 1088 B 1 H 4 10 10 4.6 4.6 4.4 4.4 0.46 ~12 CN LO R. asanoi 177 1088 B 2 H 4 140 140 11.4 11.4 177 1088 B 2 H 5 70 70 12.2 12.2 11.8 11.8 0.88 ~12 CN Reent. Gephyrocapsa medium (4-5.5µm) 177 1088 B 2 H 4 140 140 11.4 11.4 177 1088 B 2 H 5 70 70 12.2 12.2 11.8 11.8 0.96 ~12 CN FO R. asanoi 177 1088 B 2 H CC 12 19 14.44 14.44 177 1088 B 3 H 1 70 70 15.7 15.7 15.07 15.07 1.08 ~7 CN FO Gephyrocapsa large (>5.5 µ) 177 1088 B 2 H CC 12 19 14.44 14.44 177 1088 B 3 H 1 70 70 15.7 15.7 15.07 15.07 1.24 ~7 CN FO Gephyrocapsa large (>5.5 µm) 177 1088 B 3 H 1 140 140 16.4 16.4 177 1088 B 3 H 2 70 70 17.2 17.2 16.8 16.8 1.46 ~7 CN LO C. macintyrei 177 1088 B 3 H 2 140 140 17.9 17.9 177 1088 B 3 H 3 70 70 18.7 18.7 18.3 18.3 1.6 ~7 CN FO Gephyrocapsa medium (4-5.5 ) 177 1088 B 3 H 3 70 70 18.7 18.7 177 1088 B 3 H 4 140 140 20.9 20.9 19.8 19.8 1.69 ~7 CN LO D. brouweri 177 1088 B 3 H 4 70 70 20.2 20.2 177 1088 B 3 H 5 70 70 21.7 21.7 20.95 20.95 1.95 ~8 CN LO D. pentaradiatus 177 1088 B 3 H 5 140 140 22.4 22.4 177 1088 B 3 H 6 70 70 23.2 23.2 22.8 22.8 2.45 ~8 CN LO D. surculus 177 1088 B 3 H 6 130 130 23.8 23.8 177 1088 B 3 H CC 14 19 23.97 23.97 23.89 23.89 2.55 ~8 DIAT RAN T. insigna zonal range 177 1088 B 3 H CC 14 19 23.97 23.97 177 1088 B 3 H CC 14 19 23.97 23.97 23.97 23.97 2.6-3.3 ~8 CN LO D. tamalis 177 1088 B 4 H 1 70 70 25.2 25.2 177 1088 B 4 H 1 140 140 25.9 25.9 25.55 25.55 2.83 ~8 CN LO Sphenolithus spp. 177 1088 B 4 H 5 140 140 31.9 31.9 177 1088 B 4 H 6 70 70 32.7 32.7 32.3 32.3 3.66 ~17 CN LO R. pseudoumbilicus 177 1088 B 4 H 6 140 140 33.4 33.4 177 1088 B 4 H 7 40 40 33.9 33.9 33.65 33.65 3.66 ~17 CN LO D. quinqueramus 177 1088 B 6 H 2 70 70 45.7 45.7 177 1088 B 6 H 2 139 139 46.39 46.39 46.05 46.05 5.54 ~17 CN FO Amaurolithus spp. 177 1088 B 8 H 6 130 130 71.2 71.2 177 1088 B 8 H CC 10 15 71.37 71.37 71.29 71.29 7.39 ~17 DIAT RAN F. reinholdii zonal range 177 1088 B 10 H CC 10 15 91.5 91.5 177 1088 B 10 H CC 10 15 91.5 91.5 91.5 91.5 5.6-8.1 ~17 CN FO D. quinqueramus 177 1088 B 11 H 4 140 140 96.9 96.9 177 1088 B 11 H 5 70 70 97.7 97.7 97.3 97.3 8.6 ~30 CN LO D. hamatus 177 1088 B 13 H 3 70 70 113.7 113.7 177 1088 B 13 H 5 70 70 116.7 116.7 115.2 115.2 9.63 ~30 CN FO D. hamatus 177 1088 C 4 H 1 70 70 144 142.14 177 1088 C 4 H 1 140 140 144.7 142.84 144.35 142.49 10.47 ~30 CN LO C. miopelagicus 177 1088 C 7 X 4 140 140 171.57 169.71 177 1088 C 7 X CC 16 21 171.83 169.97 171.7 169.84 10.94 ~30 DIAT RAN D. dimorpha zonal range 177 1088 C 8 X CC 20 25 185.22 185.22 177 1088 C 8 X CC 20 25 185.22 185.22 185.22 185.22 10.6-11.7 ~30 CN LO C. nitescens 177 1088 C 11 X 1 140 140 205.8 205.8 177 1088 C 11 X 2 60 60 206.5 206.5 206.15 206.15 12.1 ~30 CN FO C.macintyrei 177 1088 C 11 X 3 140 140 208.8 208.27 177 1088 C 11 X CC 72 77 209.37 209.37 209.09 208.82 12.3 ~30 CN LO C. premacintyrei 177 1088 C 11 X 3 140 140 208.8 208.27 177 1088 C 11 X CC 72 77 209.37 209.37 209.09 208.82 12.7 ~12 CN LCO C. floridanus 177 1088 C 12 X 1 20 20 214.3 214.3 177 1088 C 12 X CC 89 94 215.37 215.37 214.84 214.84 13.2 ~12 DIAT RAN A. ing. var. nodus zonal range 177 1088 C 11 X CC 72 77 209.37 209.37 177 1088 C 11 X CC 72 77 209.37 209.37 209.37 209.37 14.2-14.4 ~12