Table T8. Summary of biostratigraphic age assignments for Site 1094. Note: CN = calcareous nannofossil. Leg Site H Core T Section Interval Depth Depth Calcareous nannofossil zone Calcareous nannofossil age Diatom zone Diatom age Diatom comment Radiolaria zone Radiolaria age Radiolaria comment Comment (cm) (mbsf) (mcd) (Ma) (Ma) (Ma) 177 1094 A 1 H CC 15 20 4.57 4.57 T. lentiginosa 0-0.65 Omega 0-0.46 Barren CN 177 1094 A 2 H 6 68 68 12.78 14.32 T. lentiginosa 0-0.65 "cold assembl., burrow fill." 177 1094 A 2 H 6 69 69 12.79 14.33 T. lentiginosa 0-0.65 outside burrow 177 1094 A 2 H CC 14 19 13.75 15.29 T. lentiginosa 0-0.65 cold assembl. Barren CN 177 1094 A 3 H CC 13 18 22.31 24.73 NN 21 0-0.26 T. lentiginosa 0-0.65 warm assembl. Omega 0-0.46 177 1094 A 4 H 5 54 54 29.97 33.33 T. lentiginosa 0-0.65 "cold assembl., burrow fill." 177 1094 A 4 H 5 55 55 29.98 33.34 T. lentiginosa 0-0.65 cold assembl.beneath burrow 177 1094 A 4 H CC 14 19 31.81 35.17 T. lentiginosa 0-0.65 warm assembl. Barren CN 177 1094 A 5 H 3 146 146 37.56 39.97 NN 21 0-0.26 Omega 0-0.46 177 1094 A 5 H 4 30 30 37.9 40.31 NN 20 0.26-0.46 177 1094 A 5 H CC 12 17 41.2 43.61 NN 20 0.26-0.46 T. lentiginosa 0-0.65 cold assembl. 177 1094 A 6 H CC 11 16 50.45 53.41 T. lentiginosa 0-0.65 177 1094 A 7 H CC 9 16 60.82 62.92 NN 20 0.26-0.46 T. lentiginosa 0-0.65 Omega 0-0.46 177 1094 A 8 H CC 8 13 70.59 72.73 T. lentiginosa 0-0.65 cold assembl. Psi 0.46-0.83 Barren CN 177 1094 A 9 H 2 17 17 72.77 75.57 ? ? 177 1094 A 9 H CC 14 19 79.12 81.92 T. lentiginosa 0-0.65 cold assembl. Barren CN 177 1094 A 10 H CC 0 10 89.74 92.08 A. ingens Subz. c 0.65-1.07 Psi 0.46-0.83 Barren CN 177 1094 A 11 H CC 12 17 97.98 100.78 NN 19 ? A. ingens Subz. c 0.65-1.07 cold assembl. 177 1094 A 12 H 4 119 119 11.92 106.87 NN 19 0.46-0.88 177 1094 A 12 H CC 0 10 108.25 109.83 A. ingens Subz. c 0.65-1.07 cold assembl. ? ? No index Barren CN 177 1094 A 13 H 2 132 132 111.92 114.36 NN 19 0.88-0.96 177 1094 A 13 H 3 42 42 112.52 114.96 NN 19 0.88-0.96 177 1094 A 13 H CC 0 10 116.82 119.26 NN 19 0.88-0.96 A. ingens Subz. c 0.65-1.07 cold assembl. 177 1094 A 14 H 3 66 66 122.26 125.07 NN 19 0.88-0.96 177 1094 A 14 H 3 88 88 122.48 125.29 NN 19 0.96-1.08 177 1094 A 14 H CC 0 10 123.57 126.38 NN 19 0.96-1.08 A. ingens Subz. c 0.65-1.07 ? ? "No index, rework " 177 1094 A 15 H 1 30 30 128.4 130.72 NN 19 0.96-1.08 177 1094 A 15 H 2 112 112 130.72 133.04 NN 19 1.08-1.24 177 1094 A 15 H CC 15 20 137.32 139.64 NN 19 1.08-1.24 A. ingens Subz. b 1.07-1.3 177 1094 A 16 H 1 40 40 138 140.32 NN 19 1.08-1.24 177 1094 A 16 H 3 98 98 141.58 143.9 NN 19 1.24-1.46 177 1094 A 16 H CC 0 10 144.75 147.07 NN 19 1.24-1.46 A. ingens Subz. a 1.3-1.8 cold assembl. ? ? "No index, rework" 177 1094 A 18 H CC 18 23 157.54 160.06 NN 19 1.46-1.69 A. ingens Subz. a 1.3-1.8 A. ingens acme ? ? No index 177 1094 B 1 H CC 7 12 9.24 9.76 T. lentiginosa 0-0.65 cold assembl. 177 1094 B 2 H CC 10 15 18.87 19.89 T. lentiginosa 0-0.65 warm assembl. Omega 0-0.46 177 1094 B 3 H CC 14 19 19.14 20.16 T. lentiginosa 0-0.65 warm assembl. 177 1094 B 4 H CC 30 35 33.13 36 T. lentiginosa 0-0.65 cold assembl. Omega 0-0.46 177 1094 C 1 H CC 19 24 8.89 9.17 T. lentiginosa 0-0.65 Omega 177 1094 C 2 H CC 13 18 18.8 20.52 T. lentiginosa 0-0.65 177 1094 C 3 H CC 6 13 27.97 29.73 T. lentiginosa 0-0.65 cold assembl. Omega 0-0.46 177 1094 C 5 H CC 13 18 45.7 47.37 T. lentiginosa 0-0.65 Omega 0-0.46 177 1094 C 6 H CC 13 18 55.33 57.89 T. lentiginosa 0-0.65 177 1094 C 8 H CC 0 2 67.16 69.5 T. lentiginosa 0-0.65 Barren CN 177 1094 D 2 H CC 9 14 33.83 37.48 NN 21 <0.26 T. lentiginosa 0-0.65 Omega 0-0.46 177 1094 D 3 H CC 0 10 47.03 49.52 T. lentiginosa 0-0.65 Barren CN 177 1094 D 4 H CC 0 10 55.99 58.88 T. lentiginosa 0-0.65 Omega 0-0.46 Barren CN 177 1094 D 5 H CC 0 5 57.1 59.99 <0.46 T. lentiginosa 0-0.65 177 1094 D 6 H CC 0 10 76.03 77.78 T. lentiginosa 0-0.65 Psi 0.46-0.83 177 1094 D 7 H 2 87 87 78.47 81.09 NN 20 <0.46 177 1094 D 7 H 4 149 149 82.09 84.71 NN 19 0.46-0.88 177 1094 D 7 H CC 0 10 82.22 84.84 NN 19 0.46-0.88 T. lentiginosa 0-0.65 177 1094 D 8 H CC 13 18 93.18 96.5 NN 19 0.46-0.88 A. ingens Subz. c 0.65-1.07 Psi 0.46-0.83 177 1094 D 9 H CC 12 17 100.88 103.44 A. ingens Subz. c 0.65-1.07 Barren CN 177 1094 D 10 H CC 13 18 111.02 112.36 A. ingens Subz. c 0.65-1.07 cold assembl. Psi 0.46-0.83 Barren CN 177 1094 D 11 H 1 30 30 114.4 115.94 NN 19 0.88-0.96 177 1094 D 11 H CC 22 27 119.92 121.46 A. ingens Subz. c 0.65-1.07 cold assembl. Barren CN 177 1094 D 12 H CC 11 16 131.63 133.17 NN 19 >1.08 A. ingens Subz. b 1.07-1.3 ? ? No index 177 1094 D 13 H CC 14 19 137.35 139.23 NN 19 1.08-1.24 A. ingens Subz. b 1.07-1.3 177 1094 D 14 H 3 110 110 146.7 150.42 NN 19 1.24-1.46 177 1094 D 14 H CC 14 19 151.32 155.04 A. ingens Subz. a 1.3-1.8 ? ? No index 177 1094 D 15 H CC 10 15 161 162.89 A. ingens Subz. a 1.3-1.8 Barren CN 177 1094 D 16 H 2 30 30 163.4 165.29 NN 19 1.24-1.46 177 1094 D 16 H 2 87 87 163.97 165.86 NN 19 1.46-1.69 177 1094 D 16 H CC 0 5 167.81 169.7 NN 19 <1.69 A. ingens Subz. a 1.3-1.8 ? ? No index