Table T8. Diatom, silicoflagellate, ebridian, Actiniscus, sponge spicule, and opaline phytolith occurrence in uncleaned and acid-cleaned smear slides investigated from Site 1088. Notes: Abundance abbreviations: D = dominant, A = abundant, 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 Biostratigraphy, p. 10, in the "Explanatory Notes" chapter. Leg Site Hole Core Type Section Interval Top (cm) Interval Bottom (cm) Depth (mbsf) Depth (mcd) Diatom abundance (uncleaned) Diatom abundance (acid cleaned) Diatom preservation Silicoflagellate occurrence Ebridian occurrrence Actiniscus occurrence Sponge spicule occurrence Opaline phytolith occurrence Actinocyclus ingens Actinocyclus ingens var. nodus Actinocyclus ingens var. ovalis Actinocyclus aff. curvatulus Azpeitia nodulifer Azpeitia tabularis Coscinodiscus marginatus Denticulopsis dimorpha Denticulopsis hustedtii Ethmodiscus rex Fragilariopsis barronii Fragilariopsis fossilis Fragilariopsis kerguelensis Fragilariopsis reinholdii Hemidiscus cuneiformis Nitzschia cylindrica Simonseniella barboi Thalassionema nitzschioides Thalassiosira convexa Thalassiosira convexa var. aspinosa Thalassiosira insigna Thalassiosira inura Thalassiosira kolbei Thalassiosira leptopus Thalassiosira oliverana gr. Thalassiosira oestrupii Thalassiosira vulnifica Thalassiothrix longissima-antarctica gr. Aulacoseira granulata Diatom zone Diatom age (Ma) 177 1088 A 1 H CC 15 20 9.89 12.27 T P B B B X B X 177 1088 B 1 H CC 7 12 5.41 5.41 R P X X B X B X X X 177 1088 B 2 H CC 12 19 14.44 14.44 T P X B B X B 177 1088 B 3 H 2 60 60 18.6 17.1 A G X X X X B X X R R D 177 1088 B 3 H CC 14 19 23.97 23.97 C M X B B X B R R X R R R R R F R R R R R F T. insigna 2.6-3.3 177 1088 B 4 H CC 13 18 34.08 34.08 T P X B B X B X X 177 1088 B 5 H CC 12 18 42.92 42.92 T P B B B X B X X 177 1088 B 6 H CC 13 18 52.86 52.86 B B B B X B 177 1088 B 7 H CC 23 28 62.47 62.47 B B B B X B X X 177 1088 B 8 H CC 10 15 71.47 71.37 T P B B B X B 177 1088 B 9 H 5 23 25 78.25 78.23 T P B B B X B X X 177 1088 B 9 H CC 9 14 80.83 80.83 B B B B X B 177 1088 B 10 H 5 23 25 87.75 87.73 A M X B B X B A R R X R R R F 177 1088 B 10 H CC 10 15 91.5 91.5 R C M X B X X X R C R R X R R R R F F. reinholdii 5.6-8.1 177 1088 B 11 H 5 115 115 98.15 98.15 T P B B B X B X 177 1088 B 11 H CC 9 14 99.16 99.16 B T P B B B X B 177 1088 B 12 H CC 9 14 110.05 110.01 T P B B B X B X 177 1088 B 13 H 5 76 78 116.78 116.76 T P B B B X B X X 177 1088 B 13 H CC 11 16 119.05 119.05 T F M B B B X B C F 177 1088 B 14 H CC 12 17 129.11 129.11 B B B B X B 177 1088 C 1 H CC 12 17 5.76 5.46 B B B B X B 177 1088 C 2 H CC 19 24 132.33 130.47 R P B B B X B X 177 1088 C 3 H CC 10 15 143.35 141.49 T P B B B X B X 177 1088 C 4 H CC 12 17 152.4 150.54 B B B B X B 177 1088 C 5 H CC 12 17 162.13 160.27 B B B B X B 177 1088 C 6 X CC 11 16 165.94 164.08 R P B B B X B X X X 177 1088 C 7 X CC 16 21 171.83 169.97 B B B B X B 177 1088 C 8 X 5 10 12 181.72 181.7 F M B B B X B F F X F D. dimorpha 10.6-11.7 177 1088 C 8 X CC 20 25 185.22 185.22 T P B B B X B X 177 1088 C 9 X 4 70 72 190.42 190.4 F P B B X X B A X 177 1088 C 9 X CC 15 20 194.06 194.06 R P B B B X B X 177 1088 C 10 X CC 18 23 202.48 202.48 B B B B X B 177 1088 C 11 X 2 48 50 206.4 206.38 F P B B B X B F F A. ingens v. nodus 14.4.-14.2 177 1088 C 11 X CC 72 77 209.37 209.37 B B B B X B 177 1088 C 12 X CC 89 94 215.37 215.37 B B B B X B 177 1088 C 13 X 1 47 49 224.19 224.17 B B B B X B 177 1088 C 13 X CC 17 22 233.27 233.27 B B B B X B