Scientific Results, Volume 177 M. Marino and J.A. Flores Chapter 8, Table T1. Distribution of Eocene to Oligocene calcareous nannofossils in Hole 1090B. Notes: Abundance: VA = very abundant, A = abundant, C = common, F = few, R = rare, RR = very rare, B = barren, X = present. Preservation: G = good, M = moderate, P = poor, VP = very poor. Biozone assignments are from Okada and Bukry (1980). Core, section, interval (cm) Depth (mbsf) Depth (mcd) Abundance Preservation Reworking Bicolumnus ovatus Blackites spp. Braarudosphaera bigelowii Bramletteius serraculoides C. floridanus (single circular cycles) Calcidiscus spp. Chiasmolithus altus Chiasmolithus cf. C. consuetus Chiasmolithus expansus Chiasmolithus gigas Chiasmolithus grandis Chiasmolithus modestus-nitidus Chiasmolithus oamaruensis-altus Chiasmolithus oamaruensis Chiasmolithus solitus Chiasmolithus spp. (total) Clausicoccus spp. (total) Coccolithus pelagicus Coronociclus sp. (fairly elliptical) Cyclicargolithus abisectus Cyclicargolithus floridanus Cyclicargolithus sp. (intermediate C. floridanus-R. circus) Dictyococcites scrippsae Dictyococcites sp. (<4 µm) Discoaster barbadiensis Discoaster bifax Discoster binodosus Discoaster deflandrei gr. Discoaster saipanensis Discoaster spp. Discoaster tani Discoaster nodifer Discoster tani ornatus Ericsonia formosa Ericsonia spp. Helicosphaera compacta Helicosphaera reticulata Isthmolithus revurvus Markalius cf. M. nudus Markalius inversus Nannotetrina cristata Nannotetrina fulgens Nannotetrina spp. Neococcolithes dubius Pontosphaera multipora Pontosphaera sp. Pyrociclus sp. Reticulofenestra bisecta Reticulofenestra circular (5-7 µm) Reticulofenestra circus (8-9 µm) Reticulofenestra daviesi gr. Reticulofenestra oamaruensis Reticulofenestra samodurovi-hillae Reticulofenestra sp. (<3 µm) Reticulofenestra sp. (3-5 µm) Reticulofenestra umbilica Reticulofestra reticulata Rhabdolithus spp. Sphenolithus spiniger Sphenolithus furcatulinoides Sphenolithus moriformis Sphenolithus obtusus Sphenolithus pseudoradians Sphenolithus radians Sphenolithus spp. (total) Thoracosphaera spp. Transversopontis obliquipons Transversopontis sigmoidalis Zygrhablithus bijugatus Biozone Series 177-1090B- CP17-? Oligocene 23X-1, 30-30 204.4 204.4 A VP R VA RR F R C R R C R Eocene 23X-2, 30-30 205.9 214.3 A VP RR VA R R A R R R R RR 23X-2, 130-130 206.9 215.3 A VP A R F C F F 23X-3, 30-30 207.4 215.8 VA VP VA F R VA R R R R RR RR 23X-3, 130-130 208.4 216.8 A VP VA R F R C F F 23X-4, 30-30 208.9 217.3 A VP R A F F RR A R cf. RR C C R RR RR CP16c 23X-5, 30-30 209.3 217.7 A VP F VA F F A R R F RR F R R CP16b 23X-6, 30-30 210.8 219.2 A VP R A RR F C R A R R RR R F C R CP16a 23X-6, 130-130 211.8 220.2 A VP RR A RR RR VA RR C R R CP15a 23X-7, 30-30 212.3 220.7 A VP A R F R C R RR R F R F F CP15a 23X-7, 130-130 213.3 221.7 F VP R C R F F R R R C R F F CP14b 23X-CC, 26-36 213.76 222.16 VA P F R C R C C C C F R R C C C C F RR RR RR CP14a 24X-1, 30-30 214.1 225.06 C P R RR A F F A R R RR F C C C A RR RR 24X-1, 130-130 215.1 226.06 A P R F RR RR C C C C F R RR C R C F C C F R R 24X-2, 130-130 216.6 227.56 A M R C R RR C C C R C R R R F RR RR RR F RR R C F A C F C F F 24X-3, 30-30 217.1 228.06 A M F F RR F C A F F R R RR RR F R C F A F C C A RR RR R 24X-3, 130-130 218.1 229.06 A M R F RR F C C F F F R R RR F RR RR C F A C F F F R R RR 24X-4, 30-30 218.6 229.56 A M R F R C C A R F R RR F RR C R F A C C A R R R 24X-4, 130-130 219.6 230.56 VA M R C C F F C A C RR F F F R C C F A C C C F F F 24X-5, 30-30 220.1 231.06 A M R C F R C C C R R R RR R RR C R C R A C F C A F F R 24X-5, 130-130 221.1 232.06 VA M R C R RR RR C A A F R X R RR R F C R R F F A C C C F F RR 24X-6, 30-30 221.6 232.56 VA M R C F R C C C R R R R RR RR F C R C F A A C F A R R R R 24X-6, 130-130 222.6 233.56 A M C F R R C C C F R RR RR F C R F R A F A C C R R R RR RR 24X-7, 10-10 222.9 233.86 VA M R C F RR C C C F R R F R C R R A R A A A A A R R 24X-CC, 18-28 223.25 234.21 VA M R F R RR C C C F R R R RR RR RR F F R A C C F F R R R 25X-1, 120-120 224.7 235.41 A M R R C R RR R R F C RR C A R A 25X-2, 30-30 225.3 236.01 A P R C RR F F RR F RR R R R RR F F C F 25X-2, 120-120 226.2 236.91 A P R RR C R F R R RR F A A C R R A RR 25X-3, 30-30 226.8 237.51 A P RR C R F RR R R R RR RR R F F RR C C F 25X-3, 120-120 227.7 238.41 C P R C R C R RR RR F A C C A 25X-4, 30-30 228.3 239.01 C P R C R F R R R RR R F C C F R 25X-4, 120-120 229.2 239.91 A M R F C C R R RR R F RR A A C R R A 25X-5, 30-30 229.8 240.51 C M R R R F RR F R R RR RR R RR R RR F F R C F C C F RR RR 25X-5, 120-120 230.7 241.41 B 25X-6, 30-30 231.3 242.01 B 25X-CC, 19-27 233.01 243.72 P P RR R F R F F R RR R F RR F C C F F F 26X-1, 12-24 233.32 245.31 A P R R F R C F R RR F C R C C F 26X-1, 30-30 233.5 245.49 C M C RR F RR C R R R RR F RR A R A C F A RR RR 26X-1, 135-137 234.55 245.54 C P F F R R R F F RR C C C 26X-2, 112-114 235.82 247.81 C P R F F F R R R F F C C C F 26X-3, 84-86 237.04 249.03 A P R F F C F R R F R F F F C R C C F 26X-4, 62-64 238.32 250.31 A P R R R F R R F R R F RR C R C C F RR 26X-5, 36-38 239.56 251.55 A P R R RR F C R cf. RR F R R F C F C C F RR 26X-6, 12-14 240.82 252.81 B 26X-6, 133-135 242.03 254.02 B 26X-CC, 10-15 242.73 254.72 B 27X-1, 120-120 244.1 256.09 F VP R A R R RR RR RR F C F F F 27X-2, 30-30 244.7 256.69 F P R A F A R RR RR F A A C A 27X-2, 120-120 245.6 257.59 C P R A R F R RR R R R RR RR F F R C F R R RR RR 27X-3, 40-40 246.3 258.29 B R 27X-3, 120-120 247.2 259.09 A M R R C F F R F R cf. R RR F RR 219 1 C R C R F R R 27X-4, 30-30 247.7 259.69 C VP R F R F RR R RR F C F C R F 27X-4, 120-120 248.6 260.59 C VP C C R R RR RR F VA A F C 27X-5, 30-30 249.2 261.19 C P R C R R C R R RR R RR F R C C R C F 27X-5, 120-120 250.1 262.09 C VP F F R R F RR R A F RR R R A 27X-6, 30-30 250.7 262.69 A VP R F R F R R R RR F R R C F C R 28X-1, 30-30 252.9 264.89 A P F R F R R F R RR R RR F RR A C RR C R C R 28X-1, 120-120 253.8 265.79 A M R R F RR R R F F R RR F C C C F R RR RR 28X-2, 40-40 254.5 266.49 C VP RR RR F RR RR F RR VA F F R VA 28X-2, 120-120 255.3 267.29 C P R F R F RR F R RR F RR RR R RR F 372 C C F R 28X-3, 30-30 255.9 267.89 A M R R C RR A R RR F R R R R F C C RR C R A R 28X-3, 120-120 256.8 268.79 A P F F RR F R R R RR cf. R F RR C RR C F F C F 28X-4, 30-30 257.4 269.39 C P RR R C C R RR R R R F R A RR A C F C A RR RR R 28X-4, 120-120 258.3 270.29 A M F RR RR RR F RR C RR R F F R R F RR RR R C RR C F C A A F RR R R R 28X-5, 120-120 259.8 271.79 C P R RR F RR A RR F R F RR R F RR A A RR C F F A RR 28X-6, 30-30 260.4 272.39 A P R F C R F F RR R cf. F RR C R RR C C C F F F R 28X-6, 120-120 261.3 273.29 C VP R R C R R F R C C C F F A R 28X-7, 30-30 261.9 273.89 F VP R R F F R R RR F C C F F R 28X-CC, 16-21 262.19 274.18 A VP R R F F R R R R R RR R R RR F RR RR C RR C R F A C R RR R RR 29X-1, 30-30 262.6 274.59 C P RR R C RR R R RR F RR F C C A A C RR 29X-1, 120-120 263.5 275.49 A P F R F R F RR R C RR R C C R C A A F RR RR 29X-2, 120-120 265.00 276.99 A P R RR R F R F R R RR R F RR R F RR C F A A R RR 29X-3, 30-30 265.6 277.59 B 29X-3, 120-120 266.5 278.49 A VP R RR RR RR R F R F F RR R RR R R F R F R C R F A A R RR R RR 29X-4, 30-30 267.1 279.09 C VP R R F R F RR R F RR F C F C C R RR 29X-4, 120-120 268.00 279.99 A P F RR F F F F F R F RR R R C C cf. C A A R 29X-5, 30-30 268.6 280.59 C VP R R R F R F R RR F R F C R F A A R RR RR 29X-5, 120-120 269.5 281.49 A/C P R R RR RR RR R R F R F RR R R F RR RR R F R C F C A C C RR R R 29X-6, 30-30 270.1 282.09 C VP R F RR R F C R R F R C C F A F R 29X-6, 120-120 271.00 282.99 A P RR R RR F RR R F C R R R F F C F A F 29X-7, 30-30 271.6 283.59 A P F R R R F RR R F C RR F F RR RR C C F A C F cf. RR RR R RR 29X-CC, 17-22 271.87 283.86 C VP R RR RR R F R F R R RR R F R C C F C A R RR 30X-1, 30-30 272.3 284.29 A M R R R RR F F C RR R F A RR RR R 1 C RR F R R F C F A A R RR RR RR R 30X-1, 120-120 273.2 285.19 A M R R F RR C F F A R R C F R A cf. F A VA X F RR RR 30X-2, 30-30 273.8 285.79 A M F RR RR R C R C A R R C R RR C A RR C F VA R R R R R 30X-2, 120-120 274.7 286.69 C VP R RR RR R RR R F R RR F F C F F R RR RR RR 30X-3, 30-30 275.3 287.29 C VP R RR F cf. RR F F C F R 30X-3, 120-120 276.2 288.9 A M F R F F RR R C RR RR RR R R F RR F C C RR C C C R R 30X-4, 30-30 276.8 288.79 A M R C F F R RR F RR C RR C R C C C F R RR RR R 30X-4, 120-120 277.7 289.69 C P R RR F RR F F RR F R F C R C A A R R 30X-5, 30-30 278.3 290.29 A M F R R C RR F F F RR R F R R C RR C C A C F R R RR R 30X-5, 120-120 279.2 291.19 C P R R X R R R RR F F F F R 30X-6, 30-30 279.8 291.79 R VP R RR F R R 30X-6, 120-120 280.7 292.69 C VP F F R R RR F RR F C F F F F 30X-7, 30-30 281.3 293.29 A M R RR F RR R R F RR RR C RR C F C C R R 30X-CC, 21-26 281.69 293.68 A P R R RR F F R R F RR R R C R C RR C C C C F RR RR 31X-1, 30-30 282.00 293.99 A M RR C R R R RR F RR R F C C C C F R R R 31X-1, 120-120 282.9 294.89 A M R RR F RR R R R R C RR R F R C C F F F RR RR 31X-2, 30-30 283.5 295.49 C P R R R F R R F RR RR F R C F C F RR 31X-2, 120-120 284.4 296.39 A P F R R R F R F R C C R F F RR RR 31X-3, 30-30 285.00 296.99 C P R C F F R R R F RR RR C RR F C R F RR 31X-3, 130-130 286.00 297.99 F VP R R X R RR F R F F F F 31X-4, 30-30 286.5 298.49 C VP R R R RR RR F F RR F F F R 31X-4, 130-130 287.5 299.49 A P R X RR R RR F F C F F F 31X-5, 30-30 288.00 299.99 A P R R R F R R RR F RR R F RR C F F F R 31X-6, 30-30 289.5 301.49 A M R RR F RR F R R F R F C R C F A C R R RR RR 31X-7, 30-30 291.00 302.99 C VP R R R R R RR C F F F 31X-CC, 21-32 291.39 303.43 C VP R F RR R F F R F RR RR RR R RR C RR C C R R F RR 32X-1, 78-79 292.18 303.17 C VP R F R F R R RR C RR F F R F 32X-CC, 9-18 294.34 306.33 B 33X-2, 78-79 296.55 308.54 F VP RR RR RR F 33X-CC, 46-54 297.73 309.72 F VP R F C R 34X-1, 78-79 301.88 313.87 B 34X-3, 78-79 304.88 316.87 C VP RR R RR A F 34X-5, 78-79 307.88 319.87 B RR 34X-CC, 12-20 310.7 322.69 A P R R R RR C C F 35X-1, 78-79 311.58 323.57 A P R R R RR RR C A 35X-3, 78-79 314.58 326.57 A P RR cf. R R R RR C A C R 35X-6, 78-79 319.08 331.07 A M R R R F C R R cf. R A F A A R 35X-CC, 17-20 319.91 331.9 A M R R R R F F R 36X-1, 130-130 321.7 333.69 C VP R RR F A A 36X-3, 130-130 324.7 336.69 F VP F R R RR F C 36X-4, 130-130 326.2 338.19 C VP C R R R RR F A 36X-5, 130-130 327.7 339.69 R VP F RR R RR RR F R C 36X-6, 130-130 329.2 341.19 F VP R RR F C 36X-CC, 26-34 330.12 342.11 RR P R 37X-1, 130-130 331.3 343.29 F VP R RR RR cf. R C R R F C RR 37X-2, 130-130 332.8 344.79 C VP F R R RR RR RR R R A R RR R R cf. R cf. RR F F RR R R R 37X-3, 130-130 334.3 346.29 F VP A RR RR C R R F R R F RR 37X-4, 30-30 334.8 349.79 A P R R RR cf. F A R F RR R R C C R F R 37X-4, 130-130 335.8 347.79 R VP R F RR R RR F RR 37X-5, 30-30 336.3 348.29 A M R R F R RR cf. C F A RR RR R cf. F RR R F RR F C F RR F R 37X-CC, 40-45 337.16 349.15 F P R R F R R R R R R R 38X-1, 130-130 340.9 352.89 R VP R ? R RR F ? 38X-2, 130-130 342.4 354.39 C VP R R RR F A R R R F RR R R R R 38X-4, 130-130 345.4 357.39 A M R F R RR R RR RR C A RR RR R C ? R RR R F R F 38X-6, 130-130 348.4 360.39 A P R R R ? R R R A RR F RR R R ? R RR F R R 38X-7, 10-10 348.7 360.69 A P R RR RR RR F RR A RR F RR F C R RR RR R R 38X-CC, 8-18 349.12 361.11 A M F R cf. R R F F 39X-1, 30-30 349.5 361.49 R VP R RR R R R R R R R 39X-1, 130-130 350.5 362.49 R VP R RR R R R R 39X-2, 130-130 352.00 363.99 C P R R A RR cf. RR R F R F F C RR R cf. R F 39X-3, 30-30 352.5 364.49 B 39X-3, 130-130 353.5 365.49 VR VP RR RR RR RR RR RR 39X-4, 30-30 354.00 365.99 VR VP RR RR RR RR RR RR R R 39X-4, 130-130 355.00 366.99 A P F R R F RR A RR R F RR R RR R R cf. F 39X-6, 130-130 358.00 369.99 A VP R R R R R A C RR R C RR F R F 39X-7, 10-10 358.3 370.29 A VP cf. RR R R R A cf. F RR R RR C R F RR C 39X-CC, 12-22 358.78 370.77 A P A R R R 40X-1, 130-130 360.1 372.09 F VP R RR F RR A F R RR R F RR R R cf. RR R 40X-2, 130-130 361.6 373.59 F VP R R R F F R 40X-3, 130-130 363.1 375.09 A P R ? F R R F F C A RR F F R R RR RR C cf. R C R A 40X-4, 130-130 364.6 376.59 A P R R cf. RR RR R R F A RR F R R RR RR R C A F R R F F 40X-5, 130-130 366.1 379.09 A VP R F RR RR cf. F F A F C RR cf. A F R R F F 40X-6, 130-130 367.55 379.54 A VP R R C RR F C cf. C F F RR F R 41X-1, 30-30 368.7 380.79 A M RR RR C F A R R C F cf. R F R F R R 41X-2, 30-30 370.2 382.19 A VP R R A F R RR cf. A C R RR R RR R 41X-3, 30-30 371.7 383.69 A P R F R R R R F C C A cf. R F RR RR R R R C A R R R R F 41X-3, 110-110 372.5 384.49 A P R R R R R C F A R R R RR RR F A R R F C 42X-1, 30-30 378.4 390.39 A M F R cf. R F A F A F R R F F C A R R R F 42X-4, 120-120 383.8 395.79 A M F cf. cf. R R F R F A F F R cf. R R A A C F R R R C 42X-5, 140-140 385.5 397.49 A P F R F F A F F RR R RR R C A C R R R C 42X-6, 120-120 386.8 398.79 A M R R cf. R R F C F A R cf. C R RR F cf. F F C A C R R R R R C 43X-1, 20-20 388.00 399.99 A M R F cf. R R R R F A RR F R F C R C A R R R F C 43X-2, 120-120 390.5 402.49 A P F RR R C A R C F R R F C A C F R R F 43X-3, 120-120 392.00 403.99 A M R R R F cf. F F F C A RR R R F R R F F A A R R R R C 43X-4, 120-120 395.00 406.99 A M R cf. R C RR F C C F A RR F R RR F F F A A A R F RR R R R C 43X-5, 130-130 395.1 407.09 A M R C cf. F RR F C C C A R F F F A A A R C RR R RR R C 43X-6, 30-30 395.6 407.59 A VP cf. RR RR A R R RR R A A C F 177-1090B- 43X-7, 30-30 377.1 409.09 A M F F C A R A R cf. cf. RR R R C R C A R R RR R A 177-1090B 43X-CC, 29-39 397.59 409.58 A M R R R R RR