Sample Texture Mineral Biogenic Rock Core Type Section Top (cm) Depth (mbsf) Lithology Sand Silt Clay Amphibole (8) Calcite (30) Chalcedony (42) Clay Mineral (47) Clinopyroxene (49) Dolomite (62) Epidote (67) Feldspar (71) Garnet (79) Glauconite (82) Heavy Minerals (89) Hematite (90) Inorganic Calcite (97) Mica (118) Opaques (140) Orthopyroxene (143) Oxides (146) Palagonite (148) Phillipsite (155) Pyrite (169) Pyroxene (171) Quartz (172) Rutile (178) Titanite (210) Volcanic Glass (81) Zeolite (phillipsite) Zircon (223) Diatoms (58) Discoaster (61) Fish remains Foraminifers (78) Nannofossils (132) Pollen (162) Radiolarians (173) Siliceous Sponge Spicules (185) Silicoflagellates (189) Unknown (258) Bioclasts (21) Carbonate Grains Micrite (119) Volcanic Fragments (220) Comments 1 H 1 75 0.75 D 0 2 98 16 2 2 2 5 49 24 R Clay nannofossil-bearing foraminifer ooze 1 H 3 42 2.94 D 1 3 96 R 18 6 R R 2 R R 4 33 37 R Clay-bearing foraminifer nannofossil ooze 2 H 1 75 4.15 D 0 2 98 R 14 4 R R R 10 2 50 20 R R Clay nannofossil-bearing foraminifer ooze 2 H 3 75 7.15 D 0 1 99 R 23 2 2 R R 2 47 23 2 R R Clay-nannofossil-bearing foraminifer ooze 2 H 3 125 7.65 M 0 2 98 24 3 R 2 8 5 41 16 R R R Clay nannofossil-bearing foraminifer ooze 3 H 1 75 13.65 D 0 0 100 5 R 2 2 2 62 25 R R Nannofossil-bearing foraminifer ooze 3 H 3 75 16.66 D R R 100 3 3 R 3 8 54 27 3 Nannofossil foraminifer ooze 3 H 5 100 19.93 D R 1 99 R 17 2 R 2 3 9 21 43 3 Clay foraminifer-bearing nannofossil ooze 3 H 6 100 21.44 D 17 2 R 3 3 5 51 17 2 R R Clay nannofossil-bearing foraminifer ooze 4 H 1 75 23.15 D 0 1 99 R 16 2 R 2 7 23 46 R R 2 Clay foraminifer-bearing nannofossil ooze 4 H 3 75 26.17 D 0 1 99 7 2 R 33 22 33 2 R R Foraminifer-bearing diatom-nannofossil ooze 5 H 1 75 32.65 D 0 0 100 R 7 R 2 11 22 33 22 2 R R Ash diatom-nannofossi-bearing foraminifer ooze 5 H 3 75 35.66 D 0 0 100 R 14 R 4 2 14 59 6 R 2 Clay foraminifer-bearing nannofossil ooze 6 H 1 75 42.15 D 0 1 99 6 2 R R 6 25 52 2 R 6 Foraminifer-bearing nannofossil ooze 6 H 3 75 45.16 D 0 R 100 4 R R R 19 28 38 2 R 9 Diatom-bearing foraminifer nannofossil ooze 7 H 1 57 51.47 M 4 R R R 30 4 4 4 43 R 9 Vitric nannofossil ooze 7 H 1 75 51.65 D 17 R R 2 5 7 50 17 Clay-bearing nannofossil ooze with micrite 7 H 3 75 54.65 D R 6 6 R 41 R 12 29 R R 6 Foraminifer nannofossil ash 7 H 3 130 55.20 M R R R 8 23 R 38 23 R 8 R R Ash-nannofossil-bearing foraminifer ooze 7 H 6 40 58.81 M R 7 R R R R 91 R R Ash 8 H 1 75 61.15 D 13 R 23 R 19 38 R R R 4 Clay foraminifer ash-bearing nannofossil ooze 8 H 1 117 61.57 M R 4 92 4 Ash 8 H 3 51 63.93 M R R R R R 20 R 81 Unlithified nannafossil-bearing mudstone 8 H 3 75 64.17 D 18 R R R 5 R 4 2 R 28 37 R R R R 5 Clay-bearing foraminifer nannofossil ooze 9 H 1 75 70.65 D 5 R R 2 3 R 2 70 R R 17 Nannofossil ooze with micrite 9 H 3 75 73.68 D 4 2 18 2 73 R R R 2 Diatom-bearing nannofossil ooze 9 H 5 127 77.22 M R 4 36 R 54 4 R R 4 Ash 10 H 1 75 80.15 D 11 R R R R 27 R 4 38 R 4 R 15 Clay-bearing diatom nannofossil ooze with micrite 10 H 3 75 83.16 D 4 R R 8 15 8 58 R R 8 Diatom-bearing nannofossil ooze 10 H 7 35 88.82 D 6 R R 3 9 R R 71 R R R 6 6 Nannofossil ooze 11 H 1 75 89.65 D 11 R R 20 14 43 R 6 R 6 Clay foraminifer diatom-bearing nannofossil ooze 11 H 3 75 92.67 D 4 R R R 22 2 67 R R R 4 Diatom-bearing nannofossil ooze 11 H 5 75 95.69 D 3 R R R R 17 10 52 R R R 17 Foraminifer diatom-bearing nannofossil ooze with micrite 12 H 1 22 98.62 M 27 R 4 9 9 36 2 R R 13 Clayey nannofossil ooze with micrite 12 H 1 75 99.15 D R R 4 R 77 R 11 R R 8 Spicules-bearing nannofossil ooze 12 H 2 95 100.86 M 11 R R 11 2 22 54 Unlithified clay diatom nanno-bearing mudston 12 H 3 75 102.17 D 2 R R 34 R 45 7 R 11 Diatom nannofossil ooze with micrite 13 H 1 75 108.65 D 0 R 100 15 R R 6 26 6 33 2 R R 11 Clay-bearing diatom nannofossil ooze with micrite 13 H 3 75 111.69 D 0 0 100 11 R R 23 7 45 2 R R 11 Clay diatom-bearing nannofossil ooze with micrite 14 H 1 75 118.15 D 0 0 100 2 8 5 75 2 R R 8 Nannofossil ooze 14 H 3 75 121.18 D 15 R 3 10 15 30 3 1 R 22 Clay diatom foraminifer-bea nannofossil ooze with micrite 15 H 1 75 127.65 D 0 R 100 9 R R 19 23 38 2 R R 9 Diatom foraminifer-bearing nannofossil ooze 15 H 3 75 130.68 D 6 R 10 6 61 2 R R 14 Diatom-bearing nannofossil ooze with micrite 16 H 1 75 137.15 D 3 R R 3 8 8 66 3 R 3 8 Nannofossil ooze 16 H 3 75 140.18 D 0 0 100 5 R R 2 12 5 49 2 R R 24 Diatom-bearing nannofossil ooze with micrite 17 H 1 75 146.65 D 0 R 100 10 R 14 2 51 2 R R 20 Clay diatom-bearing nannofossil ooze with micrite 17 H 3 75 149.67 D 0 R 100 11 R 2 2 7 11 57 2 R R 7 Clay-bearing nannofossil ooze 18 H 1 75 156.15 D 0 R 100 12 R R R 8 5 50 R R R 25 Clay-bearing nannofossil ooze with micrite 18 H 3 75 159.17 D 0 R 100 21 R 2 2 11 4 45 2 R R 15 Clay-bearing nannofossil ooze with micrite 19 H 1 75 165.65 D 3 R 3 19 8 54 5 8 Diatom-bearing nannofossil ooze 19 H 3 75 168.68 D 0 R 100 11 R R 2 16 2 56 2 R R 11 Clay diatom-bearing nannofossil ooze with micrite 20 X 1 75 175.15 D 0 0 100 11 R 21 6 53 2 R R 6 Clay diatom-bearing nannofossil ooze 20 X 3 75 178.17 D 0 0 100 R 2 R 18 5 62 5 R R 8 Diatom-bearing nannofossil ooze 21 X 1 75 179.95 D 0 0 100 10 R R 21 R 42 4 R 2 21 Clay diatom-bearing nannofossil ooze with micrite 21 X 3 75 182.98 D 0 0 100 13 R R 2 13 6 38 6 R 2 19 Clay diatom-bearing nannofossil ooze with micrite 22 X 1 75 189.65 D 0 0 100 3 R 3 13 66 3 R 13 Diatom-bearing nannofossil ooze with micrite 22 X 3 75 192.67 D 0 0 100 12 R 10 4 63 2 R R 8 Clay diatom-bearing nannofossil ooze 23 X 1 75 199.35 D 0 0 100 5 2 1 3 3 82 R 3 Nannofossil ooze 23 X 3 75 202.38 D 2 R R R 3 R 2 88 R R R 5 Nannofossil ooze 24 X 1 78 209.08 D 7 R R 7 5 62 R 2 2 12 Nannofossil ooze with micrite 24 X 3 75 212.05 D 0 0 100 16 R R 3 8 11 54 R R 8 Clay foraminifer-bearing nannofossil ooze 25 X 1 75 218.35 D 0 0 100 11 11 7 57 5 5 5 Clay-diatom-bearing nannofossil ooze 25 X 3 75 221.25 D 0 R 100 8 R R R R 3 10 10 62 2 2 3 Diatom-foraminifer-bearing nannofossil ooze 26 X 1 75 227.95 D 0 0 100 7 R R R 30 4 51 R 1 1 4 Diatom nannofossil ooze 26 X 3 80 231.01 D 0 R 100 4 R R R 1 R 10 4 72 R R 7 Diatom-bearing nannofossil ooze 27 X 1 75 237.25 D 7 R R 1 4 7 70 R R R 10 Nannofossil ooze with micrite 27 X 3 77 240.28 D 4 R 1 R 18 13 54 R R R 9 Foraminifer diatom-bearing nannofossil ooze 28 X 1 75 246.85 D 11 R R R 23 15 45 R R R 6 Clay foraminifer diatom-bearing nannofossil ooze 28 X 3 75 249.86 D 9 R R R 4 9 6 63 R R R 9 Nannofossil ooze 29 X 1 75 256.45 D 11 1 1 23 1 45 R R R 17 Clay diatom-bearing nannofossil ooze with micrite 29 X 3 75 259.45 D 3 R R R 5 R 83 R R 8 Nannofossil ooze 30 X 1 75 266.05 M 7 22 14 1 44 10 Ash diatom-bearing nannofossil ooze with micrite 30 X 3 75 269.05 D R R R 4 7 R 75 R R 13 Nannofossil ooze with micrite 31 X 1 75 275.75 D 0 0 100 13 R 2 9 9 46 2 R R 18 Clay-bearing nannofossil ooze with micrite 31 X 3 75 278.75 D 5 R R R R 16 R 63 R R 16 Diatom-bearing nannofossil ooze with micrite 32 X 1 75 285.35 D 4 R R R 7 7 68 2 R R 11 Nannofossil ooze with micrite 32 X 3 75 288.37 D 0 0 100 13 R R 2 13 6 46 2 R R 18 Clay diatom-bearing nannofossil ooze with micrite 33 X 1 75 295.05 D 0 0 100 9 R R R 18 4 54 4 R 2 9 Diatom-bearing nannofossil ooze 33 X 3 75 298.06 D R 0 100 6 R R R 10 14 59 2 R R 10 Diatom foraminifer-bearing nannofossil ooze with micrite 34 X 1 75 304.65 D 10 R R 2 6 20 50 2 R R 10 Clay foraminifer-bearing nannofossil ooze with micrite 34 X 3 75 307.66 D 2 R 6 6 2 74 2 R R 6 Nannofossil ooze 35 X 1 75 314.25 D 0 0 100 16 24 2 49 2 R 2 5 Clay diatom-bearing nannofossil ooze 35 X 3 75 317.27 D 0 0 100 12 R R 21 5 52 3 R 2 5 Clay diatom-bearing nannofossil ooze 36 X 1 75 323.95 D 2 8 5 77 R R R 8 Nannofossil ooze 36 X 3 75 326.97 D 2 R 7 4 78 2 R R 7 Nannofossil ooze 37 X 3 75 336.57 D 12 2 2 7 60 17 Clay-bearing nannofossil ooze with micrite 37 X 4 97 338.30 D 0 0 100 R 5 R 15 10 2 33 R R 35 Diatom-bearing nannofossil ooze with micrite and py 38 X 1 75 343.15 D 3 R R 8 3 81 3 R R 3 Nannofossil ooze 38 X 3 75 346.17 D 3 R 6 3 86 R R R 3 Nannofossil ooze 39 X 1 75 352.75 D R R 3 13 R 79 3 R R 3 Diatom-bearing nannofossil ooze 39 X 3 75 355.77 D R R 4 R 89 R R 7 Nannofossil ooze 40 X 1 75 362.45 D 12 R 2 2 20 5 50 2 R R 8 Clay diatom-bearing nannofossil ooze 40 X 3 75 365.47 D 7 R R R 16 2 67 2 R R 7 Diatom-bearing nannofossil ooze 41 X 1 75 372.05 D 0 0 100 13 R 2 14 4 59 4 4 Clay diatom-bearing nannofossil ooze 41 X 3 75 375.07 D 0 0 100 12 R 2 7 7 58 2 R R 12 Clay-bearing nannofossil ooze with micrite 42 X 1 75 381.75 D 0 0 100 10 R R 15 2 63 2 R 2 6 Clay diatom-bearing nannofossil ooze 42 X 3 75 384.77 D 0 0 100 15 R R 6 2 64 2 11 Clay-bearing nannofossil ooze with micrite 43 X 1 75 391.35 D 0 0 100 12 R R R R 17 R 68 R R 3 Clay diatom-bearing nannofossil ooze 43 X 3 75 394.36 D 0 0 100 5 R 2 8 81 2 R 3 Nannofossil ooze 44 X 1 75 400.95 D 0 0 100 8 29 R 59 R 1 2 Diatom nannofossil ooze 44 X 3 75 403.97 D 0 0 100 14 R 7 R 71 4 1 1 Clay-bearing nannofossil ooze 45 X 1 75 410.65 D 0 R 100 5 R R R 1 R R 8 3 75 2 5 Nannofossil ooze 45 X 3 75 413.68 D 0 0 100 6 2 R 3 3 80 R 1 R 3 Nannofossil ooze 46 X 1 75 420.15 D 0 0 100 6 R R 12 1 77 1 R 2 Diatom-bearing nannofossil ooze 46 X 3 75 423.17 D 0 0 100 8 R R R 11 2 71 R R 8 Diatom-bearing nannofossil ooze 47 X 1 75 429.75 D 0 0 100 5 3 R 2 11 R 77 R R 3 Diatom-bearing nannofossil ooze 47 X 3 75 432.77 D 0 0 100 4 1 R R 13 81 R 1 Diatom-bearing nannofossil ooze 47 X 5 55 435.58 M 0 17 83 5 2 1 R R 1 R 10 5 71 1 5 Diatom-bearing nannofossil ooze 47 X 7 30 438.15 M 0 0 100 12 1 R R R 23 59 2 2 Clay diatom-bearing nannofossil ooze 48 X 1 75 439.45 D 0 0 100 3 R R R 15 R 81 R R R Diatom-bearing nannofossil ooze 48 X 3 75 442.47 D 4 1 R R R 15 R 73 R R 1 4 Diatom-bearing nannofossil ooze 49 X 1 75 449.05 D 3 2 R R 14 1 77 R 3 Diatom-bearing nannofossil ooze 49 X 3 75 452.07 D 4 4 R 10 1 75 R R R 4 Diatom-bearing nannofossil ooze 50 X 1 75 458.75 D 0 17 83 5 R 1 R 1 8 3 75 R 1 1 5 Nannofossil ooze 50 X 3 75 461.76 D 8 R R R 3 17 2 68 R R 2 R Diatom-bearing nannofossil ooze 51 X 1 75 468.35 D 7 3 R 22 1 60 R 3 3 Diatom-bearing nannofossil ooze 51 X 3 75 471.37 D 7 2 R R 22 R 67 2 Diatom-bearing nannofossil ooze 52 X 1 75 477.95 D 0 0 100 3 1 1 R 10 3 72 3 1 R R 4 Diatom-bearing nannofossil ooze 52 X 3 75 480.97 D 4 4 R 15 2 42 31 Diatom-bearing nannofossil ooze with micrite 52 X 3 135 481.57 M 4 2 R R 8 14 R 40 30 Diatom-bearing nannofossil ooze with micrite 52 X 5 107 484.31 M 20 70 10 10 R R 2 25 5 R 50 3 Clay ash-bearing nannofossil ooze 53 X 2 75 488.75 D 6 R R R R R R 29 58 R 2 6 Foraminifer nannofossil ooze 53 X CC 4 491.31 M 0 100 0 71 R 9 R 14 5 Partially lithified foraminifer-bearing mudstone 54 X 1 75 496.85 D 32 R R 3 3 16 32 2 11 Clayey foraminifer-bearing nannofossil ooze with micrite 54 X 3 75 499.87 D 28 R R R R 19 42 R 3 8 Clayey foraminifer-bearing nannofossil ooze 55 X 1 75 506.45 D 21 2 2 R 2 26 35 2 12 Clay-bearing foraminifer nannofossil ooze with micrite 55 X 3 75 509.46 D 18 R R R 2 13 55 2 2 9 Clay foraminifer-bearing nannofossil ooze Hole B 1 H 5 100 7.05 M 20 75 5 R 1 5 R 15 R 1 3 70 Volcanic ash 2 H 4 92 13.25 M 40 60 0 R R 12 R R 2 R 80 Volcanic ash 2 H 4 95 13.28 M 40 55 5 R 5 5 R 2 85 R Volcanic ash 10 H 2 79 86.10 M 3 3 R 52 R 34 7 R R Foraminifer ash 19 X 3 60 174.90 D 25 75 10 * * 1 55 * 5 11 10 5 2 1 "Clay-, radiolarian-, and nannofossil-bearing diatom ooze. Carbonate grains are irregular prisms about 40 micrometer long x 25 micrometer wide." 20 X 4 110 186.20 D 30 70 10 1 * * 50 5 17 10 5 1 1 "Clay-, radiolarian-, and nannofossil-bearing diatom ooze. Opaque minerals are spherical; Pt framboids? Ferromanganese micronodules?" 21 X 2 30 192.10 D 10 90 5 * * 1 15 * 10 47 15 5 1 "Foraminifer-, Diatom-, and radiolarian-bearing nannofossil ooze. Volcanic glass - light, thin shards, not hyaloclastite." 22 X 1 40 200.40 D 30 70 5 8 * * 10 5 61 5 4 2 "Diatom-bearing nannofossil ooze. Mainly micronodules, some irregular shape on sponge spicules. Volcanic glass - light, pyroclastic." 22 X 5 30 206.30 D 30 70 5 2 * 10 5 65 8 5 * Diatom-bearing nannofossil ooze. 23 X 1 50 210.10 D 25 75 5 1 2 * 1 25 4 50 5 6 1 Diatom-bearing nannofossil ooze. Oxide is reddish brown Fe-oxide globules. Zeolite is within siliceous microfossils; and against glass shards. 23 X 5 30 215.90 D 40 60 5 6 * 5 1 20 * 50 6 6 1 Diatom-bearing nannofossil ooze. Oxide is reddish brown Fe-oxide globules. Zeolite is within siliceous microfossils. Volcanic glass is light and tubular. 24 X 2 90 221.30 D 25 75 7 2 * 10 8 55 10 5 1 2 Diatom- and radiolarian-bearing nannofossil ooze. Opaque minerals - many are inside spicules. Carbonate grains - apparently from crushed foraminifers. 24 X 4 120 224.60 D 20 80 8 2 * * * 10 8 60 4 4 2 2 Diatom-bearing nannofossil ooze. Fe-oxide is reddish brown globules. Carbonate grains are apparently from crushed foraminifers. 25 X 3 130 332.80 D 30 70 5 2 2 * 10 * 8 50 12 6 * 5 "Diatom- and radiolarian-bearing nannofossil ooze. Opaque minerals are on or in radiolarians, spicules, and diatoms. Carbonate grains are presumably from crushed foraminifers." 26 X 1 120 239.10 D 10 90 15 1 1 * 2 8 * 6 55 6 6 * Clay-bearing diatom ooze. Some radiolarians with zeolites. 26 X 6 100 246.40 D 5 1 * * 2 5 * 4 70 8 5 Nannofossil ooze. 27 X 2 85 209.85 D 40 60 5 2 * 1 1 10 5 66 5 5 * Diatom-bearing nannofossil ooze. 27 X 5 65 254.15 D 10 90 5 1 1 2 6 * 6 65 6 8 Nannofossil ooze. Zeolites in microfossils and strewn on slide. 28 X 5 70 260.80 D 30 70 4 3 2 15 * 5 60 5 6 Diatom-bearing nannofossil ooze. Opaque minerals - commonly inside microfossils. 29 X 2 80 266.00 D 30 70 40 4 1 3 10 1 35 3 3 * Diatom-bearing nannofossil clay. Zeolite clinging to radiolarians and large sponge spicules. 29 X 3 70 267.40 D 35 2 10 1 4 6 35 6 1 * Ash-bearing nannofossil clay. Zeolites inside radiolarians. 29 X 5 30 270.00 D 20 80 15 5 * * 20 2 50 6 2 "Clay- and diatom-bearing nannofossil ooze. Opaque minerals are individual micronodules or framboids(?), also inside and coating microfossils." 29 X 6 130 272.50 M 40 60 5 5 20 3 45 10 10 2 "Diatom- and nannofossil-bearing vitric ash. Volcanic glass - silt-sized shards, light with bogen and tubular structure. Opaque minerals - highly angular as if recently broken, no apparent diagnostic shapes (e.g., no framboids or cubes)." 30 X 1 50 273.90 D 30 70 5 4 10 15 7 50 4 4 1 "Ash- and diatom-bearing nannofossil ooze. Volcanic glass - light, angular with bogen and tubular structures." 30 X 3 16 276.56 M 40 60 5 3 * * 15 2 15 10 40 6 4 * "Ash-, diatom-, and foraminifer-bearing nannofossil ooze. Reddish brown globular Fe-oxide. Opaque minerals - framboid-shape is common; also coats microfossils. Volcanic glass - light, shards." 31 X 1 40 283.40 D 20 80 5 1 * 3 1 15 5 6 5 4 1 Diatom-bearing nannofossil ooze. 31 X 5 90 289.90 D 40 60 10 1 * * 15 8 55 3 6 2 Clay- and diatom-bearing nannofossil ooze. Opaque minerals - framboidal shape. 32 X 2 70 294.90 D 40 60 5 1 4 20 5 50 4 8 3 "Diatom-bearing nannofossil ooze. Volcanic glass - light, shards or tubular. " 33 X 1 129 303.69 M 10 90 5 * 1 * 4 10 * 5 66 3 5 1 "Diatom-bearing nannofossil ooze. Volcanic glass - light. Dolomite - a few rhombs, clear, about 20-25 micrometers. Opaque minerals - mainly inside microfossils." 33 X 3 50 305.90 D 25 75 5 * 2 3 15 8 60 3 4 * "Diatom-bearing nannofossil ooze. Dolomite - a few rhombs, clear, about 20 micrometers. Opaque minerals - mainly inside microfossils." 33 X 5 90 309.30 D 20 80 5 1 2 9 * 7 65 7 4 * Nannofossil ooze. 34 X 2 30 313.80 M 90 10 5 3 * 92 * Vitric ash. Volcanic glass - abundant light ash; tubular and bogen structures. Opaque minerals - commonly in tubules and glass. 34 X 5 100 319.00 D 30 70 10 2 * 15 6 61 2 4 * Clay- and diatom-bearing nannofossil ooze. 35 X 5 60 328.20 D 30 70 10 1 1 12 * 8 55 8 5 * Clay- and diatom-bearing nannofossil ooze. Opaque minerals - mainly in microfossils or against spicules. 36 X 2 80 333.60 D 35 65 5 * 10 8 6 61 5 5 * Ash-bearing nannofossil ooze. 37 X 1 47 341.37 M 75 25 1 1 98 * * * Vitric ash. Opaque minerals - mainly in tubes in glass. Volcanic glass - Shards of light glass; bogen and tubular structures. 37 X 3 61 344.51 D 20 80 5 1 * * 15 * 7 65 4 3 * Diatom-bearing nannofossil ooze. 38 X 4 50 355.50 D 10 90 5 1 * 8 * 6 75 3 2 * Nannofossil ooze. 39 X 1 90 361.00 D 15 85 5 1 * 20 4 65 2 3 * Diatom-bearing nannofossil ooze (nearly chalk). 39 X 3 140 364.50 M 3 90 7 5 2 13 80 * "Vitric ash. Polysynthetic twinning indicates some of feldspar is plagioclase. Opaque minerals - most within glass; some strewn. Volcanic glass - light; shards, many in bogen or tubular structures." 40 X 2 70 371.90 D 20 80 5 2 1 * 10 6 70 3 3 * Diatom-bearing nannofossil chalk. 40 X 5 130 377.00 D 15 85 5 3 * 5 1 * 4 2 * Nannofossil chalk. Opaque minerals - much is on or in microfossils (or on glass). 41 X 3 80 383.20 D 10 90 5 1 * 6 3 80 2 3 * Nannofossil chalk. 42 X 3 70 392.70 D 10 90 5 1 * 7 4 76 3 4 Nannofossil chalk. 42 X CC 30 397.98 D 15 85 5 2 8 6 70 6 3 * Nannofossil chalk.