Table T10. Diatom, silicoflagellate, ebridian, Actiniscus, sponge spicule, and opaline phytolith occurrence in smear slides investigated in Site 1089. Notes: Abundance abbreviations: C = common, F = few, R = rare, T = trace, X = present, B = barren. Preservation abbreviations: G = good, M = moderate, P = poor. For more specific definitions, refer to the "Explanatory Notes" chapter. Leg Site Hole Core Type Section Interval Top (cm) Interval Bottom (cm) Depth (mbsf) Depth (mcd) Diatom abundance (uncleaned) Diatom preservation Silicoflagellate occurrence Ebridian occurrrence Actiniscus occurrence Sponge spicule occurrence Opaline phytolith occurrence Actinocyclus actinochilus Actinocyclus praeactinochilus Actinocyclus curvatulus Actinocyclus fasciculatus Actinocyclus ingens Actinoptychus senarius Alveolus marinus Asteromphalus hookeri Azpeitia nodulifer Azpeitia tabularis Chaetoceros spp. Coscinodiscus marginatus Coscinodiscus radiatus Ethmodiscus rex Eucampia antarctica Fragilariopsis barronii Fragilariopsis curta Fragilariopsis doliolus Fragilariopsis donahuensis Fragilariopsis fossilis Fragilariopsis interfrigidaria Fragilariopsis kerguelensis Fragilariopsis matuyamae Fragilariopsis reinholdii Fragilariopsis ritscherii Fragilariopsis separanda Fragilariopsis weaveri Hemidiscus cuneiformis Hemidiscus karstenii Navicula directa Nitzschia aff. januaria Paralia sulcata Proboscia barboi Rhizosolenia bergonii Rhizosolenia hebetata fo. semispina Rhizosolenia praebergonii Rhizosolenia styliformis Roperia tesselata Rouxia heteropolara Rouxia isopolica Rouxia naviculoides Stephanopyxis turris Thalassionema nitzschioides Thalassionema nitzschioides fo. 1 Thalassionema nitzschioides var. parva Thalassiosira eccentrica Thalassiosira elliptopora Thalassiosira fasciculata Thalassiosira gracilis Thalassiosira kolbei Thalassiosira lentiginosa Thalassiosira aff. lineata Thalassiosira oestrupii Thalassiosira oliverana Thalassiosira tetraoestrupii var. reimeri Thalassiosira vulnifica Thallassiothrix antarctica-longissima group Benthic diatoms, marine Benthic diatoms, freshwater Diatom zone Diatom age (Ma) 177 1089 A 1 H CC 17 22 7.27 7.03 C M T B B X B R T F R T C C R F R R F T T. lentiginosa Subz. c 0-0.18 177 1089 A 2 H CC 16 21 16.9 16.48 C M T B B X B T T R R F T F R F R T R T T. lentiginosa Subz. c 0-0.18 177 1089 A 3 H CC 13 18 21.18 24.02 C M T B B X B R R F R F C R R T. lentiginosa Subz. c 0-0.18 177 1089 A 4 H CC 22 27 30.66 35.04 A M R X X X B R R T R R R R R T C T R R R T F R R R T. lentiginosa Subz. b 0.18-0.42 177 1089 A 5 H CC 14 19 43.36 44.32 A M T B B X B R R R A F R F F T T. lentiginosa Subz. b 0.18-0.42 177 1089 A 6 H CC 18 23 52.25 54.13 A M R X B X B T R R R X R F T T T T R R T. lentiginosa Subz. b 0.18-0.42 177 1089 A 7 H CC 51 56 63.43 67.57 C M T X B X X T T T T R T T T T T T R T T. lentiginosa Subz. a 0.42-0.65 177 1089 A 8 H CC 9 14 74.03 78.8 C M T B X X B T T R T T C T T T T R R R T. lentiginosa Subz. a 0.42-0.65 177 1089 A 9 H CC 10 15 75.24 81.42 C M T B B X B T R T R T C T T T R T R T T R T. lentiginosa Subz. a 0.42-0.65 177 1089 A 10 H CC 0 5 92.97 97.5 C M T B B X B R R X C F F F A. ingens Subz. c 0.65-1.07 177 1089 A 11 H CC 53 58 97.9 103.69 C M T B B X B F R A. ingens Subz. c 0.65-1.07 177 1089 A 12 H CC 0 5 111.59 117.38 C M T B B X B F R X F C R T R F A. ingens Subz. c 0.65-1.07 177 1089 A 13 H CC 0 5 111.8 117.59 C M T B B X B F R R C R R T R F A. ingens Subz. c 0.65-1.07 177 1089 A 14 H CC 11 16 130.07 135.86 A M-G T B B X B R R X R F F T R R R C A. ingens Subz. c 0.65-1.07 177 1089 A 15 H CC 21 26 136.7 142.49 C M T B B X B F R R C X F F F T R F R R T A. ingens Subz. c 0.65-1.07 177 1089 A 16 H CC 9 14 149.24 156.66 C M T B B X B R R F F F R R R R R R F A. ingens Subz. b 1.07-1.3 177 1089 A 18 H CC 21 26 166.22 174.18 C M T B B X B R F T R R F F R F A. ingens Subz. b 1.07-1.3 177 1089 A 19 H CC 0 10 177.69 185.7 F M T B B X B F R T R F R F T A. ingens Subz. b 1.07-1.3 177 1089 A 20 H CC 13 23 187.48 195.3 F M T B X X B T F R X F R R F T A. ingens Subz. b 1.07-1.3 177 1089 A 21 H CC 21 26 195.09 208.71 C M T B B X B F R F F T R F A. ingens Subz. a 1.3-1.8 177 1089 A 23 H CC 31 41 215.29 227.59 C M R B B X B F T X R T R T T R T T T R R A. ingens Subz. a 1.3-1.8 177 1089 B 2 H CC 10 15 13.67 19.37 C M T B B X B F F C F T. lentiginosa Subz. c 0-0.18 177 1089 B 3 H CC 8 16 23.12 28.56 A G T B B X B T R R A R R F T. lentiginosa Subz. c 0-0.18 177 1089 B 4 H CC 12 17 32.42 38.02 C M T B B X B R R R C R R F F T. lentiginosa Subz. b 0.18-0.42 177 1089 B 5 H CC 16 21 41.9 46.36 A G T B B X B T R C R T F F F T T. lentiginosa Subz. b 0.18-0.42 177 1089 B 6 H CC 11 16 51.18 57.38 F M T B B X B R C R R F T. lentiginosa Subz. b 0.18-0.42 177 1089 B 7 H CC 8 14 60.73 68.15 F M T B B X B T R R C R T T. lentiginosa Subz. a 0.42-0.65 177 1089 B 8 H CC 20 25 70.02 78.07 C M T B B X B R C R F T. lentiginosa Subz. a 0.42-0.65 177 1089 B 9 H CC 15 20 80.24 89.61 C M T B B X B R T C T F T. lentiginosa Subz. a 0.42-0.65 177 1089 B 10 H CC 15 20 88.25 99.51 C-F M T B B X B R F T R C R R F F T A. ingens Subz. c 0.65-1.07 177 1089 B 11 H CC 9 14 99.09 110.35 C-F M T B B X B F R R R R C R R R F R F A. ingens Subz. c 0.65-1.07 177 1089 B 12 H CC 8 13 108.43 119.69 F M T B B X B R R R R X R C R R R F R F T A. ingens Subz. c 0.65-1.07 177 1089 B 13 H CC 0 8 117.9 129.16 C M T B B X B F R R R R F R R F A. ingens Subz. c 0.65-1.07 177 1089 B 14 H CC 14 19 127.14 138.4 F M T X B X B R T T X R F F R F A. ingens Subz. c 0.65-1.07 177 1089 B 15 H CC 0 5 136.68 147.94 C M T X B X B T T R R T X T T R R R R T T R T F A. ingens Subz. c 0.65-1.07 177 1089 B 16 H CC 12 17 146.4 157.66 F M T X B X X R R R R R T T R A. ingens Subz. c 0.65-1.07 177 1089 B 17 H CC 18 23 155.28 166.54 F-R M T B B X B R R X R R R R F T A. ingens Subz. b 1.07-1.3 177 1089 B 18 H CC 13 18 165.39 176.65 F M T B X X B T R T T X T T R R R T R T T R T A. ingens Subz. b 1.07-1.3 177 1089 B 19 H CC 16 21 175.33 187.17 C M T B B X B R T R T T T T F A. ingens Subz. b 1.07-1.3 177 1089 B 20 H CC 0 10 185.15 197.83 C M T X B X B F T T T T R R R T T T R R F A. ingens Subz. b 1.07-1.3 177 1089 B 21 H CC 11 16 194.21 209.31 C M T B B X B F X R R F F R T R R F T A. ingens Subz. a 1.3-1.8 177 1089 B 22 H CC 0 5 204.3 219.4 F M T B B X B F R T X R R R T T F T R F F R T F R early A. ingens Subz. a 1.5-1.8 177 1089 B 23 H CC 0 8 213.65 228.75 C M T X B X X F T T X R T R R T T T T F R R F early A. ingens Subz. a 1.5-1.8 177 1089 B 24 H CC 23 28 223.43 238.53 C M T X X X B R F X F R T R R R T R R R F P. barboi 1.8-2.0 177 1089 B 25 H CC 14 19 232.78 247.88 F M T B B X B T F X F T R F F T T T T T R R T R F T T. kolbei/F.matuyama 2.0-2.5 177 1089 B 26 H CC 11 16 242.01 257.11 F M T B X X B R R T X F R R T R T R R F T. kolbei/F.matuyama 2.0-2.5 177 1089 B 27 H CC 45 53 250.79 265.89 R P T B B X B T X T T T T T R T T T R T T. kolbei/F.matuyama 2.0-2.5 177 1089 B 28 H CC 25 30 257.84 272.94 R M T B B X B R T R T T T R T T T F T. kolbei/F.matuyama 2.0-2.5 177 1089 B 29 H CC 62 67 264.91 280.01 F M T B B X X F R X T R F T R R F T. kolbei/F.matuyama 2.0-2.5 177 1089 C 1 H CC 8 13 2.38 2.08 A M T B B X X T T T R T C T R T R C T. lentiginosa Subz. c 0-0.18 177 1089 C 2 H CC 0 8 9.37 12.61 A M T X B X B R R T R C T R F T. lentiginosa Subz. c 0-0.18 177 1089 C 3 H 1 110 110 15 19.42 A G F B B X B T T F F X T F F R T T T R R R R F T. lentiginosa Subz. c 0-0.18 177 1089 C 3 H CC 9 14 17.42 21.84 C-F M T B B X B T T T T T R X T T F R T T T T T. lentiginosa Subz. c 0-0.18 177 1089 C 4 H 1 10 10 23.5 27.08 C G T B B X B R R R R F F F R R R R F F R T. lentiginosa Subz. c 0-0.18 177 1089 C 4 H 3 10 10 26.5 30.08 A G T X X X B T R T R R X T T R F T R T F R F T. lentiginosa Subz. b 0.18-0.42 177 1089 C 4 H 5 90 90 30.3 33.88 C M B X B X B T R T R R R F F T R F R F T. lentiginosa Subz. b 0.18-0.42 177 1089 C 4 H CC 10 15 31.78 35.36 C M T X X X B T T C R T F T. lentiginosa Subz. b 0.18-0.42 177 1089 C 5 H 1 10 10 33 36.42 C M T B B X B R R R-F X R F C F R F R F T. lentiginosa Subz. b 0.18-0.42 177 1089 C 5 H 1 90 90 33.8 37.22 C M B X B X B R F T F C F R F T F R F T. lentiginosa Subz. b 0.18-0.42 177 1089 C 5 H 3 10 10 36 39.42 F M T X B X B R F R X F F F T F T T F T R F T. lentiginosa Subz. b 0.18-0.42 177 1089 C 5 H CC 10 15 40.91 44.33 C M T X B X B R X T C R R T R T. lentiginosa Subz. b 0.18-0.42 177 1089 C 6 H 2 10 10 44 46.06 F-C M B B X X B T R F F R C R T F T F T. lentiginosa Subz. b 0.18-0.42 177 1089 C 6 H 3 60 60 46 48.06 F M B B B X B F T R R R C F T T R F R R F T. lentiginosa Subz. b 0.18-0.42 177 1089 C 6 H 4 10 10 47 49.06 C-F M T B B X B T R R R R X T F R F R R R R F R R F T. lentiginosa Subz. b 0.18-0.42 177 1089 C 6 H CC 9 14 51.46 53.52 C M T B B X B T T T R T X R C T T T T T R T. lentiginosa Subz. b 0.18-0.42 177 1089 C 7 H 1 10 10 52 55.52 C M R B B X B T T C F X F C R T R F F T. lentiginosa Subz. b 0.18-0.42 177 1089 C 7 H 2 60 60 54 57.52 C M B B B X B R R C R T R R C R R R F R T F T. lentiginosa Subz. b 0.18-0.42 177 1089 C 7 H 3 110 110 56 59.52 C-F M T X B X B T T T R T C X F C R T F R T F T F T T. lentiginosa Subz. b 0.18-0.42 177 1089 C 7 H 5 10 10 58 61.52 F M B B B X B R C R X R R C F R F R T. lentiginosa Subz. b 0.18-0.42 177 1089 C 7 H 6 60 60 60 63.52 R P T X B X B T F C X R C R R F T. lentiginosa Subz. b 0.18-0.42 177 1089 C 7 H CC 0 10 60.81 64.33 C-F M T B B X B T T R R F T T T T F T. lentiginosa Subz. a 0.42-0.65 177 1089 C 8 H CC 0 10 70.34 74.21 C M T B X X B T R X T T C T T T T T F T. lentiginosa Subz. a 0.42-0.65 177 1089 C 9 H 5 121 121 78 82.38 C M T B B X B T F T C R R C T R R T F F R F T T. lentiginosa Subz. a 0.42-0.65 177 1089 C 9 H 7 60 60 80 84.38 C M-G T B B X B R X C T T R T F R F T. lentiginosa Subz. a 0.42-0.65 177 1089 C 9 H CC 7 12 80.1 84.48 C M T B B X B T R X T T C T T T T T R T F T T. lentiginosa Subz. a 0.42-0.65 177 1089 C 10 H 2 10 10 82 88.49 A G B B B X B R A R R F R R T. lentiginosa Subz. a 0.42-0.65 177 1089 C 10 H 3 60 60 84 90.49 A G T B B X B R R R A R R R F A. ingens Subz. c 0.65-1.07 177 1089 C 10 H 4 110 110 86 92.49 C M T B B X B R R F X R C R R R R F F A. ingens Subz. c 0.65-1.07 177 1089 C 10 H CC 5 5 88.04 94.53 C M T B B X B R R T R C R R F F F A. ingens Subz. c 0.65-1.07 177 1089 C 10 H CC 18 23 88.08 94.57 A M T B B X B T T T T R X R C R T R T F A. ingens Subz. c 0.65-1.07 177 1089 C 11 H CC 13 18 99.16 108.05 A M T B B X B R T T R C T T T T R R A. ingens Subz. c 0.65-1.07 177 1089 C 12 H CC 10 15 107.43 116.32 A M T B B X B R R X T T C R T R F A. ingens Subz. c 0.65-1.07 177 1089 C 13 H CC 0 10 117.42 126.31 C M T B B X B T T T T R X T R R T R T C A. ingens Subz. c 0.65-1.07 177 1089 C 14 H CC 9 14 126.55 135.44 C M B X B X B R T T T F R T R C A. ingens Subz. c 0.65-1.07 177 1089 C 15 H CC 21 26 135.76 144.65 F M T B B X B T T T T T T T R T T T T F A. ingens Subz. c 0.65-1.07 177 1089 C 16 H CC 10 15 146.8 157.45 F M T B B X B T T T T F R T T T T T T T T R A. ingens Subz. c 0.65-1.07 177 1089 C 17 H CC 11 16 156.33 169.44 C M T X B X B R R T T R T T T T T R T A. ingens Subz. b 1.07-1.3 177 1089 C 18 H CC 0 3 165.57 178.68 C M T B B X B R T R R R T T T F R T T T T F-C A. ingens Subz. b 1.07-1.3 177 1089 C 19 H CC 22 27 169.56 183.55 F M R X B X B T T F T T T X T R R F T T R R R F T A. ingens Subz. b 1.07-1.3 177 1089 C 20 H CC 46 51 184.01 194.6 F M T B X X B R R R T T X T R R R T T T T T R A. ingens Subz. b 1.07-1.3 177 1089 C 21 H CC 19 24 190.84 202.05 F M-P T B B X B R F R X R R R R F A. ingens Subz. a 1.3-1.8 177 1089 D 1 H CC 5 13 6.62 5.98 F M T B B X B T R T R F R T T T T F T. lentiginosa Subz. c 0-0.18 177 1089 D 2 H CC 8 13 15.29 12.41 C M T B X X B T T R T T F T R F T R T R T F T. lentiginosa Subz. c 0-0.18 177 1089 D 3 H CC 7 12 22.51 22.33 F M T X B X B T T T R R F T R T T F R T. lentiginosa Subz. c 0-0.18 177 1089 D 4 H CC 0 10 32.56 31.66 C M B X B X X R T T C T R T R C T. lentiginosa Subz. b 0.18-0.42 177 1089 D 5 H CC 0 5 42.07 38.97 F M T X B X B T T T R X T T F T R T R F T. lentiginosa Subz. b 0.18-0.42 177 1089 D 6 H CC 24 29 51.42 49.8 F P T X B X B T T T T X T T F T T T R F T T. lentiginosa Subz. b 0.18-0.42 177 1089 D 7 H CC 0 10 61.06 60 C M T X B X X T T R T C T T T T T T R T T F T. lentiginosa Subz. a 0.42-0.65 177 1089 D 8 H CC 5 10 70.72 70.69 F M T X B X B T R R T X T R T R T T T T T F T T. lentiginosa Subz. a 0.42-0.65 177 1089 D 9 H CC 0 10 79.7 83.43 C-F M T B B X B T T T R R T T F T T T T R R F T. lentiginosa Subz. a 0.42-0.65 177 1089 D 10 H CC 0 5 89.72 97.24 C M T B B X B T T T X T T T C R T T T R T T A. ingens Subz. c 0.65-1.07 177 1089 D 11 H CC 0 10 98 105.52 F-C M T X B X B R T T R X T T R T F R T T T T T R T F A. ingens Subz. c 0.65-1.07 177 1089 D 12 H CC 13 18 108.44 115.96 C M T X X X B T T R T R T X T T T F R T T T T T R T T C A. ingens Subz. c 0.65-1.07 177 1089 D 13 H CC 0 5 118.07 125.59 C M T B B X B R T R X T F R T T T R T F A. ingens Subz. c 0.65-1.07