Table T10. Diatom, silicoflagellate, ebridian, Actiniscus, sponge spicule, and opaline phytolith occurrence in smear slides investigated from Site 1093. Notes: Abundance abbreviations: D = dominant, A = abundant, C = common, F = few, R = rare, T = trace, X = present, B = barren, * = reworking of A. ingens. 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 Diatom preservation Silicoflagellate occurrence Ebridian occurrrence Actiniscus occurrence Sponge spicule occurrence Opaline phytolith occurrence Actinocyclus actinochilus Actinocyclus dimorphus Actinocyclus fasciculatus Actinocyclus ingens Actinocyclus karstenii Actinocyclus praeactinochilus Asteromphalus hookeri Asteromphalus parvulus Azpeitia nodulifer Azpeitia tabularis Chaetoceros spp. Coscinodiscus marginatus Ethmodiscus rex Eucampia antarctica Fragilariopsis angulata Fragilariopsis barronii Fragilariopsis curta Fragilariopsis interfrigidaria Fragilariopsis kerguelensis Fragilariopsis matuyamae Fragilariopsis reinholdii Fragilariopsis ritscheri Fragilariopsis separanda Fragilariopsis weaveri Fragilariopsis sp. A (Gersonde, 1991) Hemidiscus cuneiformis Hemidiscus karstenii Hemidiscus triangularus Neobrunia mirabilis Proboscia alata Proboscia barboi Rhizosolenia antennata fo. semispina Rouxia antarctica Rouxia heteropolara Rouxia isopolica Rouxia naviculoides Stephanopyxis turris Thalassionema nitzschioides Thalassionema nitzschioides var. parva Thalassiosira complicata Thalassiosira convexa Thalassiosira convexa var. aspinosa Thalassiosira elliptipora Thalassiosira fasciculata Thalassiosira gracilis Thalassiosira insigna Transition T. insigna / T. oliverana Thalassiosira inura Thalassiosira kolbei Thalassiosira lentiginosa Thalassiosira lentiginosa var. obovatus Thalassiosira oestrupii Thalassiosira oliverana Thalassiosira tetraoestrupii var. reimeri Thalassiosira torokina Thalassiosira vulnifica Thallassiothrix antarctica-longissima gr. Diatom zone Diatom age (Ma) 177 1093 A 1 H CC 12 17 8.49 8.49 A G T B B B B R D R C R T. lentiginosa Subz. c 0-0.18 177 1093 A 2 H CC 12 17 18.09 18.27 A G T B B B B R X A C R T. lentiginosa Subz. c 0-0.18 177 1093 A 3 H CC 11 16 27.69 29.07 A G T B B B B R R A R C R F T. lentiginosa Subz. c 0-0.18 177 1093 A 4 H 1 1 1 27.51 31.49 A G B B B B B A R C R R F T. lentiginosa Subz. c 0-0.18 177 1093 A 4 H CC 10 15 37.49 41.47 C M T B B B B F C C R T. lentiginosa Subz. c 0-0.18 177 1093 A 5 H 3 1 1 40.01 43.37 A G-M R B B B B T* C R A R T C F T. lentiginosa Subz. c 0-0.18 177 1093 A 5 H 5 1 1 43.01 46.37 A G R B B B B R F R D R C R F F T. lentiginosa Subz. c 0-0.18 177 1093 A 5 H 6 1 1 44.51 47.87 A G R B B B B R F R R A R R R C R F F T. lentiginosa Subz. c 0-0.18 177 1093 A 5 H CC 15 20 46.86 50.22 C M T B B B B T R A F R C F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 6 H 1 1 1 46.51 51.85 A G B B B B B T R A R C R F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 6 H 2 1 1 48.01 53.35 A G T B B B B F A R F C F F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 6 H 3 1 1 49.51 54.85 A G T B B B B F A R R F F F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 6 H CC 0 10 56.01 61.35 A G T B B B B T D F R C T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 7 H CC 24 29 65.47 71.83 A G B B B B B F D F R C F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 8 H 1 1 1 65.51 73.04 A G B B B B B F A R F R F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 8 H 2 1 1 67.01 74.54 A G T B B B B F A R F C T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 8 H 3 1 1 68.51 76.04 A G B B B B B R F A C F F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 8 H 5 1 1 71.51 79.04 A G B B B B B R F A A F F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 8 H CC 0 10 75.09 82.62 A G T B B B B C D F F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 9 H 3 1 1 78.01 85.68 A G T B B B B R D R F R T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 9 H CC 15 20 84.77 92.44 A G T B B B B R D R F R T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 10 H 6 1 1 91.96 101.09 A G B B B B B F D R F F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 10 H 7 1 1 93.46 102.59 A G T B B B B F D R R C R F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 10 H CC 0 10 93.93 103.06 A G T B B B B R D T R C R F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 11 H 1 1 1 94.01 104.36 A G B B B B B R A R-F C R F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 11 H CC 16 21 103.76 114.11 A G T B B B B R D F F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 12 H CC 0 10 113.06 124.69 C M T B B B B F D C F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 13 H 1 1 1 113.01 124.68 C-F M B B B B B F R C R F F R T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 13 H 1 10 10 113.1 124.77 C M T B B B B R* R F-C F A F C R T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 13 H 1 75 75 113.75 125.42 A G T B B B B R* F D F C F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 13 H 2 1 1 114.51 126.18 A M R B B B B R* F R A R F C T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 13 H 2 40 40 114.9 126.57 A G T B B B B R* F R A F F R F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 13 H 2 120 120 115.7 127.37 A G T B B B B T-R* F-C A F C R C T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 13 H 3 1 1 116.01 127.68 A G R B B B B R* F R D F F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 13 H CC 15 20 122.43 134.1 F M B B B B B R C F A F R T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 14 H CC 10 15 131.74 144.35 A G T B B B B R* R R A F C R F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 15 H CC 11 16 141.86 154.39 A G R B B B B R* F D R R R F R T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 16 H CC 0 10 150.92 164.29 A G R B B B B R* R R F C R R F C T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 17 H CC 24 29 160.88 173.99 A G R B B B B R* R R D R R C F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 A 18 H 2 1 1 162.01 176.3 A G R B B B B R* F R A R C F A. ingens Subz. c 0.65-1.3 177 1093 A 18 H 4 1 1 165.01 179.3 A G R B B B B F R R A R R C F F A. ingens Subz. c 0.65-1.3 177 1093 A 18 H CC 10 15 170.37 184.66 A G R B B B B F R F R D R C R R A. ingens Subz. c 0.65-1.07 177 1093 A 19 H 3 1 1 173.01 190.1 A G-M R B B B B F R A R R F R F A. ingens Subz. c 0.65-1.07 177 1093 A 19 H 6 1 1 177.51 194.6 A M R B B B B F R R C R F R F A. ingens Subz. c 0.65-1.07 177 1093 A 19 H CC 17 22 179.85 196.94 A G R B B B B F F D R R T R F F F A. ingens Subz. c 0.65-1.07 177 1093 A 20 H 2 1 1 181.01 200.06 A G R B B B B F F R A R R F R C A. ingens Subz. c 0.65-1.07 177 1093 A 20 H 7 1 1 188.51 207.56 A G B B B B B F F R C R R R C F F A. ingens Subz. c 0.65-1.07 177 1093 A 20 H CC 17 22 189.28 208.33 A M R B B B B F X A R R R F F A. ingens Subz. c 0.65-1.07 177 1093 A 21 H CC 48 53 198.48 219.03 A G-M R B B B B A T R C R R R F C F A. ingens Subz. c 0.65-1.07 177 1093 A 22 H CC 0 10 207.46 227.95 A G B B B B B C C F C C F A. ingens Subz. c 0.65-1.07 177 1093 A 23 H CC 0 10 217.63 238.72 A G R B B B B F R R A R R F R C F F A. ingens Subz. c 0.65-1.07 177 1093 A 24 H CC 35 40 227.11 249 A G B B B B B F R C R C F A A. ingens Subz. c 0.65-1.07 177 1093 A 25 H CC 25 30 235.16 256.2 A G-M B B B B B F C R C R C A. ingens Subz. c 0.65-1.07 177 1093 A 26 H CC 19 24 243.69 263.96 A G R B B B B C C R F F A A. ingens Subz. c 0.65-1.07 177 1093 A 28 X 1 1 1 251.01 271.85 A G-M R B B B B A R R R C R F C F A. ingens Subz. b 1.07-1.3 177 1093 A 28 X CC 12 17 257.85 278.69 A G T B B B B A C F F A. ingens Subz. b 1.07-1.3 177 1093 A 29 X CC 13 18 264.63 285.47 A P B B B B B R D A. ingens Subz. b 1.07-1.3 177 1093 A 30 H CC 15 20 274.26 295.1 A G B B B B B C C A A. ingens Subz. b 1.07-1.3 177 1093 A 31 X CC 0 2 275.4 296.24 A G B B B B B R A C F F A. ingens Subz. b 1.07-1.3 177 1093 B 1 H CC 8 13 7.1 12.38 A G B B B B B T R R A F R T. lentiginosa Subz. c 0-0.18 177 1093 B 2 H CC 0 10 16.16 23.1 A G-M R B B B B T F R A F R R T. lentiginosa Subz. c 0-0.18 177 1093 B 3 H CC 8 13 21.89 30.97 A G R B B B B R R R C R F R C T. lentiginosa Subz. c 0-0.18 177 1093 B 4 H CC 9 14 35.84 45.32 A G F B B B B T R R A R F R R F T. lentiginosa Subz. c 0-0.18 177 1093 B 5 H CC 4 12 45.21 57.31 A G R B B B B R R T A R R R R C R F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 B 6 H CC 15 20 53.08 67.74 A G-M R B B B B F R A R R C R R F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 B 7 H CC 10 15 63.89 77.66 A G R B B B B R R F A C R R T. lentiginosa Subz. a+b 0.18-0.65 177 1093 B 8 H CC 7 12 73.39 87.86 A G R B B B B F R D F R R F R T. lentiginosa Subz. a+b 0.18-0.65 177 1093 B 9 H CC 10 15 83.24 99.33 A M B B B B B F R A R R C F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 B 10 H CC 17 22 91.91 108.38 A G B B B B B T F R D F R R T. lentiginosa Subz. a+b 0.18-0.65 177 1093 B 11 H CC 12 17 102.29 121 A G R B B B B T F R A R F R T. lentiginosa Subz. a+b 0.18-0.65 177 1093 B 12 H 1 130 130 103.4 122.95 A G B B B B B R R A F F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 B 12 H 2 110 110 104.7 124.25 C G T B B B B T R A R C F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 B 12 H 3 40 40 105.5 125.05 A G B B B B B T F A R R F C R F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 B 12 H 4 60 60 107.2 126.75 A G T B B B B R R D R C R F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 B 12 H CC 18 23 110.68 130.23 A G F B B B B T C R C C F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 B 13 H 1 50 50 112.1 130.81 A G B B B B B F F A C F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 B 13 H CC 16 21 121.43 140.14 A M B B B B B R T R R R A R T F F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 B 14 H CC 11 16 130.23 149.88 A G-M R B B B B T R R R C R R R C R R R T. lentiginosa Subz. a+b 0.18-0.65 177 1093 B 15 H CC 13 18 138.5 159.39 A G B B B B B T-R R R R D R F F R R R T. lentiginosa Subz. a+b 0.18-0.65 177 1093 B 16 H CC 7 12 149.33 169.66 A M R B B B B R R C R R F R R T. lentiginosa Subz. a+b 0.18-0.65 177 1093 B 17 H CC 7 12 158.62 179.95 A G R B B B B R T T F R D F R R A. ingens Subz. c 0.65-1.3 177 1093 B 18 H CC 0 7 167.39 192.08 A G R B B B B A T T R R C R R F R R A. ingens Subz. c 0.65-1.07 177 1093 B 19 H CC 6 11 178.18 202.85 A G B B B B B C F A R F R A. ingens Subz. c 0.65-1.07 177 1093 B 20 H CC 23 28 186.91 214.8 A G-M B B B B B C T R F R R F R R A. ingens Subz. c 0.65-1.07 177 1093 B 21 H CC 14 19 195.34 224.19 A M B B B B B F R C F F R A. ingens Subz. c 0.65-1.07 177 1093 B 22 H CC 15 20 205.44 233.45 A G B B B B B F T F F F C A. ingens Subz. c 0.65-1.07 177 1093 B 23 H CC 24 29 215.8 245.25 A G-M T B B B B C F F F F A. ingens Subz. c 0.65-1.07 177 1093 B 24 H CC 0 10 221.8 252.11 A G T B B B B F C T F R C A. ingens Subz. c 0.65-1.07 177 1093 C 6 H CC 17 22 52.17 68.01 A G B B B B B F R D R R R F R C T. lentiginosa Subz. a+b 0.18-0.65 177 1093 C 7 H CC 0 10 64.59 78.4 A G B B B B B R R R R D R R R C R F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 D 1 H CC 0 4 142.88 159.37 A G R B B B B R R R A R C R F T. lentiginosa Subz. a+b 0.18-0.65 177 1093 D 2 H CC 20 25 147.68 163.69 A G R B B B B R R R F A R R C R C T. lentiginosa Subz. a+b 0.18-0.65 177 1093 D 3 H CC 0 10 159.9 175.13 A G R B B B B F R R A R R R F R F A. ingens Subz. c 0.65-1.3 177 1093 D 4 H CC 14 19 173.37 190.68 A G R B B B B C R C R R R F R A. ingens Subz. c 0.65-1.07 177 1093 D 5 H CC 0 10 182.73 200.96 A G F B B B B F R R D T F R R A. ingens Subz. c 0.65-1.07 177 1093 D 6 H CC 0 10 189.17 210.66 A G F B B B B F F R A R R F R F A. ingens Subz. c 0.65-1.07 177 1093 D 7 H CC 0 10 195.26 215.95 A G R B B B B F R T C R R T F R F A. ingens Subz. c 0.65-1.07 177 1093 D 8 H CC 10 15 208.42 230.25 A M B B B B B F F R R C R R C F A. ingens Subz. c 0.65-1.07 177 1093 D 10 H CC 0 10 226.74 251.45 A G R B B B B F A R R C R C A. ingens Subz. c 0.65-1.07 177 1093 D 11 H CC 0 10 237.67 259.78 A G T B B B B F T R F R R F C-A A. ingens Subz. c 0.65-1.07 177 1093 D 12 H CC 15 20 245.22 270.61 A G R B B B B F X C R F R C A. ingens Subz. b 1.07-1.3 177 1093 D 14 H CC 0 10 259.98 286.08 A G B B B B B C R F F A A. ingens Subz. b 1.07-1.3 177 1093 D 15 H CC 0 5 270.39 296.49 A G B B B B B C R F F R A A. ingens Subz. b 1.07-1.3 177 1093 D 16 H CC 0 5 278.5 304.6 A G B B B B B A C R R C A. ingens Subz. b 1.07-1.3 177 1093 D 17 H CC 0 10 288.43 314.53 A G B B B B B A F R C A. ingens Subz. b 1.07-1.3 177 1093 D 18 H CC 0 2 297.5 323.6 A G T B B B B R C R C F R F A. ingens Subz. b 1.07-1.3 177 1093 D 21 X CC 0 1 319 345.1 A G R B B B B R A X R C C R R F A. ingens Subz. a 1.3-1.8 177 1093 D 22 H CC 0 5 329.75 355.85 A G B B B B B D R R R T F A. ingens Subz. a 1.3-1.8 177 1093 D 27 X CC 9 14 373.37 399.47 A G B B B B B A F C T R A. ingens Subz. a 1.3-1.8 177 1093 D 28 X CC 5 15 378.78 404.88 A G B B B B B C X F F R F F A. ingens Subz. a 1.3-1.8 177 1093 D 29 X CC 13 18 395.7 426.19 A G B B B B B F F F A R R F A. ingens Subz. a 1.3-1.8 177 1093 D 32 X CC 20 24 415.3 441.4 A G B B B B B A-D C F R F A. ingens Subz. a 1.3-1.8 177 1093 D 33 X CC 13 18 434.38 460.48 A G B B B B B D F R R R A. ingens Subz. a 1.3-1.8 177 1093 D 34 X 1 0 1 434.43 460.4 A G-M B B B B B A F F F T R F R F T. kolbei/F. matuyamae 2.0-2.5 177 1093 D 34 X 3 0 1 437.3 463.4 A G-M T B B B B F C F R-F F R R R T. kolbei/F. matuyamae 2.0-2.5 177 1093 D 34 X 5 0 1 440.3 466.4 A M B B B B B F T F F R F F R F R R T. kolbei/F. matuyamae 2.0-2.5 177 1093 D 34 X CC 24 29 441.35 467.45 A G R B B B B F F R C R F R R F R F R C T. kolbei/F. matuyamae 2.0-2.5 177 1093 D 35 X 3 0 1 446.9 473 A M B B B B B F F F R F R C F R R T. kolbei/F. matuyamae 2.0-2.5 177 1093 D 35 X 7 0 1 452.5 478.6 A G-M B B B B B R C F R R R F R T. kolbei/F. matuyamae 2.0-2.5 177 1093 D 35 X CC 0 1 452.99 479.09 A G R B B B B R F F R R F R R R F F R F C T. kolbei/F. matuyamae 2.0-2.5 177 1093 D 36 X CC 24 29 462.96 489.06 A G R B B B B F R C R R R R F F A R F R R T. kolbei/F. matuyamae 2.0-2.5 177 1093 D 37 X 3 0 1 465.9 492 A G-M B B B B B C F C F C T. kolbei/F. matuyamae 2.0-2.5 177 1093 D 37 X 6 0 1 470.4 496.5 A M B B B B B C F A F F R T. vulnifica 2.5-2.6 177 1093 D 37 X CC 20 25 472.74 498.84 C G R B B B B R R R F R F C C C R T. vulnifica 2.5-2.6 177 1093 D 38 X 5 0 1 478.5 504.6 C M B B B B B T F X F R T T F C R-F R T. vulnifica 2.5-2.6 177 1093 D 38 X CC 48 53 480.26 506.36 C M B B B B B R R C F R R R R R R R C C R T. insigna 2.6-3.3 177 1093 D 39 X CC 13 18 489.12 515.22 C M B B B B B R F F R A R R R R F T. insigna 2.6-3.3 177 1093 D 40 X 1 38 38 491.98 518.08 A M B B B B B R R C R C-A T. insigna 2.6-3.3 177 1093 D 40 X CC 17 22 495.67 521.77 C-F M B B B B B R F R R R R A R R R T. insigna 2.6-3.3 177 1093 D 41 X CC 26 31 502.69 528.79 A M B B B B B R D T. insigna 2.6-3.3 177 1093 D 44 X CC 20 25 531.31 557.41 A M B B B B B F F F F R T R R R R F F. interfrigidaria 3.3-3.8 177 1093 D 45 X CC 0 10 545.28 571.38 A G R B B B B R R R R R A F. interfrigidaria 3.3-3.8 177 1093 D 46 X CC 11 16 552.51 578.61 A G B B B B B C F R R F F. interfrigidaria 3.3-3.8 177 1093 D 47 X CC 0 10 559.4 585.5 A M B B B B B T R R F R R T R R R F F. interfrigidaria 3.3-3.8 177 1093 D 48 X CC 8 9 568.88 594.98 A P B B B B B R T R A F. reinholdii 5.6-6.4 177 1093 D 50 X CC 0 2 588.6 614.7 B B B B B unzoned 177 1093 E 1 H CC 10 15 10.5 11.09 A G-M B B B B B R T F F R C C R T. lentiginosa Subz. c 0-0.18 177 1093 E 2 H CC 13 18 37.94 44.42 A G R B B B B R R C R F F R T. lentiginosa Subz. c 0-0.18 177 1093 F 1 H CC 13 18 40.06 43.11 A G R B B B B T F R A T T F R F T. lentiginosa Subz. c 0-0.18