Table T4. Summary of biostratigraphic age assignments for Holes 1088B and 1088C. Leg Site Hole Core Type Section Sample top Sample bottom Depth Depth Calcareous nannoffosil zone Calcareous nannoffosil age (Ma) Diatom zone Diatom age (Ma) Radiolaria zone Radiolariaage (Ma) Planktic foraminifer zone Planktic foraminifer age (Ma) (cm) (cm) (mbsf) (mcd) 177 1088 A 1 H CC 15 20 9.89 12.27 NN 19 <0.88 177 1088 B 1 H 1 110 110 1.1 1.1 NN 21b <0.085 177 1088 B 1 H 1 120 120 2.5 2.5 NN 21a >0.085 177 1088 B 1 H 2 100 100 2.5 2.5 NN 21a <0.26 177 1088 B 1 H 2 130 130 2.8 2.8 NN 20 >0.26 177 1088 B 1 H 3 120 120 4.2 4.2 NN 20 <0.46 177 1088 B 1 H 4 10 10 4.6 4.6 NN 19 >0.46 177 1088 B 1 H CC 7 12 5.41 5.41 NN 19 0.46-0.88 S. universus 0.46-2.61 177 1088 B 2 H 4 140 140 11.4 11.4 NN 19 <0.88 177 1088 B 2 H 5 70 70 12.2 12.2 NN 19 >0.96 177 1088 B 2 H CC 12 19 14.44 14.44 NN 19 <1.08 <2.61 G. truncatulinoides <2.0 177 1088 B 3 H 1 70 70 15.7 15.7 NN 19 >1.24 177 1088 B 3 H 1 140 140 16.4 16.4 NN 19 <1.46 177 1088 B 3 H 2 70 70 17.2 17.2 NN 19 >1.46 177 1088 B 3 H 2 140 140 17.91 17.91 NN 19 <1.60 177 1088 B 3 H 4 70 70 20.2 20.2 NN 19 <1.69 177 1088 B 3 H 4 140 140 20.9 20.9 NN 19 >1.69 177 1088 B 3 H 4 140 140 20.9 20.9 NN 19 <1.95 177 1088 B 3 H 5 70 70 21.7 21.7 NN 18 >1.95 177 1088 B 3 H 5 140 140 22.4 22.4 NN 18 <2.45 177 1088 B 3 H 6 70 70 23.2 23.2 NN 17 >2.45 177 1088 B 3 H 6 130 130 23.8 23.8 NN 17 <2.55 177 1088 B 3 H CC 14 19 23.97 23.97 NN 16 >2.55 T. insigna 2.6-3.3 E. mats.-S. langii <6.79 G. inflata 177 1088 B 4 H 1 70 70 25.2 25.2 NN 16 <2.83 177 1088 B 4 H 1 140 140 25.9 25.9 NN 16 >2.83 177 1088 B 4 H 5 140 140 31.9 31.9 NN 16 <3.66 177 1088 B 4 H 6 140 140 33.9 33.9 >3.66 177 1088 B 4 H CC 13 18 34.08 34.08 not identified 3.66-5.6 E. mats.-S. langii <6.79 G. inflata 177 1088 B 5 H CC 12 18 42.92 42.92 3.66-5.6 E. mats.-S. langii <6.79 177 1088 B 6 H 2 70 70 45.7 45.7 NN 12 <5.54 177 1088 B 6 H 2 139 139 46.4 46.4 NN 11 >5.54 177 1088 B 6 H CC 13 18 52.86 52.86 NN 11 5.54-739 E. mats.-S. langii <6.79 G. conomiozea <6.9 177 1088 B 7 H CC 23 28 62.47 62.47 NN 11 5.54-739 E. mats.-S. langii <6.79 177 1088 B 8 H 6 130 130 71.3 71.3 NN 11 <7.39 177 1088 B 8 H CC 10 15 71.47 71.47 NN 11 >7.39 177 1088 B 9 H CC 9 14 80.83 80.83 NN 11 7.39-8.6 177 1088 B 10 H CC 10 15 91.5 91.5 NN 11 7.39-8.6 F. reinholdii 5.6-8.1 D. antepenultima 7.7-11.53 177 1088 B 11 H 4 140 140 96.9 96.9 NN 11 <8.6 177 1088 B 11 H 5 70 70 97.7 97.7 NN 10 >8.6 177 1088 B 11 H CC 9 14 99.16 99.16 NN 10 8.6-9.63 D. petterssoni 10.8-12.5 177 1088 B 12 H CC 9 14 110.05 110.01 NN 10 8.6-9.63 D. petterssoni 10.8-12.5 177 1088 B 13 H 3 70 70 113.7 113.7 NN 10 <9.63 177 1088 B 13 H 5 70 70 116.7 116.7 NN 9 >9.63 177 1088 B 13 H CC 11 16 119.05 119.05 NN 9 >9.63 D. petterssoni 10.8-12.5 177 1088 B 14 H CC 12 17 129.11 129.11 NN 9 >9.63 D. petterssoni 10.8-12.5 177 1088 C 1 H CC 12 17 5.76 5.46 NN 9 9.63-10.47 G. truncatulinoides 177 1088 C 2 H CC 19 24 132.33 130.47 NN 9 9.63-10.47 D. petterssoni 10.8-12.5 177 1088 C 3 H CC 10 15 143.35 141.49 NN 9 <10.47 ? D. alata ? 12.5-15.25 177 1088 C 4 H 1 70 70 144 142.14 NN 9 <10.47 177 1088 C 4 H 1 140 140 144.7 142.84 NN 8? >10.47 177 1088 C 4 H CC 12 17 152.4 150.54 NN 8? 10.47-10.94 ? D. alata ? 12.5-15.25 177 1088 C 5 H CC 12 17 162.13 160.27 NN 7 10.47-10.94 ? D. alata ? 12.5-15.25 177 1088 C 6 X CC 11 16 165.94 164.08 NN 7 10.94-12.1 ? D. alata ? 12.5-15.25 177 1088 C 7 X 4 140 140 171.57 169.71 NN 7 <10.94 177 1088 C 7 X CC 16 21 171.83 169.97 NN 7 >10.94 ? D. alata ? 12.5-15.25 177 1088 C 8 X CC 20 25 185.22 185.22 NN 7 10.94-12.1 D. dimorpha 10.6-11.7 ? D. alata ? 12.5-15.25 177 1088 C 9 X CC 15 20 194.06 194.06 NN 7 10.94-12.1 ? D. alata ? 12.5-15.25 177 1088 C 10 X CC 18 23 202.48 202.48 NN 7 10.94-12.1 ? D. alata ? 12.5-15.25 177 1088 C 11 X 1 140 140 205.8 205.8 NN 7 <12.1 177 1088 C 11 X 2 60 60 206.5 206.5 NN 7? >12.1 177 1088 C 11 X 3 140 140 208.27 208.27 NN 6 <12.3 177 1088 C 11 X CC 72 77 209.37 209.37 NN 6 >12.7 A. ing. v. nodus 14.4.-14.2 ? D. alata ? 12.5-15.25 177 1088 C 12 X 1 20 20 214.3 214.3 NN 6 <13.2 177 1088 C 12 X CC 89 94 215.37 215.37 NN 6 >13.2 ? D. alata ? 12.5-15.25 G. conica 177 1088 C 13 X CC 17 22 233.27 233.27 NN 6 >13.2 ? D. alata ? 12.5-15.25 G. conica