Table 5. Site 1043 smear-slide descriptions. "Note: H = Hole, T = Type, Sec = Section, Impor = Importance, A = Abundant, C+ = Very common, C = Common, C- = Somewhat common, T+ = Strong traces, T = Trace, Blank box = not observed." Sample number Impor Size Composition Fossils Sediment or Rock Name Comments Leg Site H Core T Sec cm mbsf Described by Major lithology Minor lithology Med.-coarse sand Fine sand Silt size Clay size Quartz Feldspar Clay Rock Fragments Volcanic Glass amphibole Glauconite Phosphate Dolomite Carbonate Micrite Opaque framboid Nannofossils Foraminifers Diatoms Radiolarians Silicoflagellates Sponge Spicules Fish remains Peloids/pellets Other 170 1043 A 1 H 1 19 0.19 N X T C- C+ A C+ C A C T C- C- T T C+ T T T Olive green sandy silty clay with diatoms "Other=wood & plant fragments. Diatoms, " spores are filled with framboids 170 1043 A 1 H 2 56 2.06 N X T C A T A C+ T T T T Medium gray pod of ashy clay 170 1043 A 1 H 2 73 2.23 N X T C+ A C+ C- C C+ C- C C- T T T T C C- T T T Olive green clayey sandy silt with foraminifers "Other= pollens and spores, some filled " with framboids 170 1043 A 1 H 3 121 4.21 N X T C A T T A C+ T T Dark green ashy clay 170 1043 A 1 H 4 96 5.46 N X T C- A T T A T C- C- T T C T Olive green clay with diatoms 170 1043 A 1 H CC 20 7.93 N X T A T T T C- C- A C T T T Clast of light brown laminated nannofossil ooze with diatoms. Pleistocene 13.6-15.6 Ma 170 1043 A 2 H 1 4 8.04 N X T T A T C+ T T A T C C- T C- T Light gray clast of siliceous clayey nannofossil ooze 170 1043 A 2 H 1 102 9.02 N X T A T T A C+ T C- T Green clast of ashy claystone 170 1043 A 2 H 1 118 9.18 N X T C A T C- A C- C T T T T C- T T Dark green clast of silty claystone 170 1043 A 2 H 2 60 10.1 N X T C A T T C+ T T T T T C+ T T Olive green diatomaceous claystone 170 1043 A 2 H 4 43 12.93 N X T A T T A T T T T T T T T T T Dark brown clast of claystone "Other = wood and plant debris, pollen and spores" 170 1043 A 2 H CC 17 16.58 N X T A C C- C C+ C- C- T T T Dark gray layer of clayey silt 170 1043 A 3 X 1 109 17.99 JM X C- A T C- A T C- T C- C- T T T Dark green clast of silty claystone Clear and green glass; spicules pitted 170 1043 A 3 X 2 92 19.32 MM X T T A T T A C- T T T T T T T T Medium green silty clay 170 1043 A 4 X 1 61 25.01 HT X C A T T C T T T T T T A T C+ C- T T Ivory white diatomaceous nannofossil ooze 170 1043 A 4 X 4 71 28.41 JM X C- C+ A T C- A T C- T C- T T T T T T Dark olive green silty claystone "Pyroxene grains, shell fragments" 170 1043 A 4 X 5 50 29.4 MM X T A T A T T C- T T T T C- T T T Light olive green clay 170 1043 A 5 X 2 100 35.9 OMS X T C- A T T A C- T T T T T T C- C C T "Dark green clast of claystone with ash," foraminifers 170 1043 A 5 X 3 70 37.1 OMS X T C A C- T A T C C- T T T T Dark olive green silty clay 170 1043 A 6 X 2 13 44.43 MM X T A C+ C- C- C+ C- C- T T C+ C T C- T T Dark olive green to black silt 170 1043 A 6 X 2 103 45.33 HT X T C A T T A C C- C- T T C C- C- T T Olive green clay with lithic-vitric ash 170 1043 A 6 X 2 99 45.29 HT X A A T T C+ C T T C- C- A Ivory white clayey spicule ooze 170 1043 A 7 X 3 83 55.87 JM X T C- A C- C- A C- C T T T C- T T T T Dark brownish green angular clast of silty clay (with crystal-vitric ash) 170 1043 A 7 X 3 99 56.03 MM X T C A C C- C- C+ C- T T T C- T C T T T Olive green silt with foraminifers 170 1043 A 7 X 5 35 58.34 MM X T C A T C- A C+ C- T C- T T C- T T T Olive green silty clay (with crystal-lithic ash) 170 1043 A 8 X 1 13 61.73 N X T C A C- T A T C T T ? T T T T C- T T T T Dark olive green silty clay with diatoms Other = pyritized spores 170 1043 A 8 X 2 60 63.7 N X T C A C- T A C T T C- T ? T T T T C- Light olive green silty clay 170 1043 A 8 X 4 23 66.33 N X T A T T T T A T T C- Yellowish brown nannofossil ooze 170 1043 A 8 X 4 28 66.38 N X T C A C+ C- T C C T T C T? T T C- T T C Dark gray sandy silt with foraminifers Glauconite grains contain pyrite framboids 170 1043 A 9 X 2 31 73.01 NL X T C A C- T A C+ T T T T T T T T C- Dark olive green silty clay 170 1043 A 9 X 3 76 74.96 NL X T C A C- T A C- C T T T T T T Medium green clast of clay with "Pyritized spores, diatoms" lithic-vitric ash 170 1043 A 9 X 4 107 76.77 NL X T A T T A T C- T T T Olive green clay with ash Rock fragments include polycrystalline quartz 170 1043 A 9 X CC 6 80.61 NL X T A T T A T C C Light green pod of calcareous dolomite with peloids 170 1043 A 10 X 1 10 80.8 NL X T C+ A C- C+ A C+ C- T C T T T T T T T T Dark olive green silty clay Other = pyroxene? 170 1043 A 10 X 3 73 84.43 NL X T C- A T T A C- C T T T T T T T T T Olive green clay with ash 170 1043 A 10 X 3 125 84.95 NL X T A C C- C- C A C- T C- C- T T T Emerald green layer of clayey crystal-lithic ash Other = Pyroxene. Rock fragments are tephra. Euhedral plagioclase and amphibole. 170 1043 A 11 X 1 37 90.67 NL X C A C+ C- C C C C+ A T T T T T Green lithic-vitric ash with clay Glauconite has pyrite framboids. Rock "fragments are pumice, polycrystalline quartz." 170 1043 A 11 X 1 50 90.8 NL X C A C C- C- C- C+ A T C T T T T Grayish green crystal-lithic-vitric ash with Other = biotite. Rock fragments are "clay, glauconite" "polycrystalline quartz, tephra." 170 1043 A 11 X 1 95 91.25 NL X T C+ A C- C C+ C- A C T T T C+ T T T Brown silty sand with diatoms Brown matrix of granule breccia. Rock "fragments are tephra, claystone." 170 1043 A 11 X 2 25 92.05 NL X T A T T T C- T A T C= C Light brown to white clast of siliceous nannofossil chalk. Late Miocene 170 1043 A 11 X 2 41 92.21 NL X A C+ C C- C C- C T C T C- C- C T T T T T Dark gray calcareous silty sand Other = aragonite? 170 1043 A 11 X 2 95 92.75 NL X T C- A T T A C C- T T T T T C C- T T T Dark olive green silty clay with foraminifers Other=pyroxene 170 1043 A 12 X 2 42 101.82 NL X T A C C C+ C A C- C- T T T T T C T T T Olive green clayey silt with foraminifers "Rock fragments are tephra, claystone" 170 1043 A 12 X 7 40 109.1 NL X C T C C+ A C+ C- T T T T T T T T Dark olive green silty clay Other=pyritized spores 170 1043 A 13 X 4 36 114.36 MM X T A C+ T C C+ C A C- T T T T C- T Clayey silt with crystal-vitric ash 170 1043 A 13 X 2 33 111.33 JM X T C- A C- C- A T C- T T T T T T T Dark gray silty clay "Trace pyroxene, pumice rock fragments, " some spicules pitted 170 1043 A 13 X 2 73 111.73 OMS X T A C T C- C C C- T T C+ T T T C+ Black clayey silt with fish remains 170 1043 A 14 X 2 24 120.94 OMS X T C- A C- C A C C- T T T C- T T T C- Medium olive green silty clay with nannofossils 170 1043 A 14 X 4 113 124.83 OMS X T C A C+ C- T C+ C A T C- Medium green lithic-vitric ash with clay 170 1043 A 14 X 5 81 126.01 JM X T C A C+ C A T T T C- T T T T T T T T Med olive green silty clay 170 1043 A 15 X 1 48 129.18 JM X T T C A C C A C- C- T T C- C- T T T C- T T T Medium olive green silty clay Some spicules pitted 170 1043 A 15 X 1 87 129.57 HT X A C+ C C- C+ C- C+ A T C- C- T Gray crystal vitric ash 170 1043 A 16 X 2 23 140.03 OMS X C- C+ A C C- A C C- T C C- C- T T T T Dark olive green sandy silt Rock fragments are pumice 170 1043 A 16 X 3 63 141.93 MM X C A T C- C- T A T T C- T T Medium gray vitric ash 170 1043 A 16 X 4 29 143.09 OMS X T A T T C C+ C- A T Nannofossil ooze 170 1043 A 16 X 4 75 143.55 JM X T C A T T T C- T T A C- T T Light greenish brown micritic ooze with nannofossils 170 1043 A 16 X 4 106 143.86 OMS X C A C- C+ C C- C- C+ C- C T Ashy sand w/ glauconite Rock fragments are pumice 170 1043 A 16 X CC 25 144.17 JM X T C+ A C- C- A C- T T T T T T T C- C- T Dark olive green silty clay "Clear, green and brown glass, rock fragments are " "pumice, polycrystalline quartz" 170 1043 A 17 X 1 140 149.3 NL X C A C+ T C- C+ C+ A T T T T T Light green lithic vitric ash with clay Rock fragments are pumice 170 1043 A 17 X 1 146 149.36 NL X C+ A T T T T T A T T T T T Light gray vitric ash 170 1043 A 17 X 2 109 150.49 JM X T C A T C- A C- T T T T C- T T C- T Medium olive green silty clay Above dˇcollement. Some spicules pitted 170 1043 A 17 X 3 1 150.91 NL X C- A T A C- T T T C- T T T T Dark olive green clay Other = pyroxene? 170 1043 A 17 X 3 13 151.03 NL X T C- A C+ C C- C C A T T T T T C+ T T "Dark gray sandy silt with ash, diatoms" Other = pyroxene. Rock fragments are tephra. 170 1043 A 17 X 3 16 151.06 JM X T C A C- T A T T T T C- T T C T T T Dark olive green clay with diatoms Below dˇcollement. T biotite 170 1043 A 18 X 1 5 157.55 NL X T A C T T C- T C+ T T T T T A T Grayish green diatomaceous ooze with ash 170 1043 A 18 X 2 67 159.67 NL X T A C T T C- T C T T T T C T A T T T Dark olive green calcareous diatomaceous ooze with ash 170 1043 A 19 H 1 98 168.08 NL X T C A T T C+ T T T C T C+ T T T T Olive green ooze with diatoms and nannofossils 170 1043 A 19 H 2 122 169.82 NL X C- C+ A T T C- C- A C T T T Black vitric ash with pyrite framboids Rock fragments are obsidian (better seen under binocular microscope). Volcanic glass is " mostly obsidian or brown, some is clear." 170 1043 A 19 H 3 13 170.23 NL X C+ A T T T T A T Light gray vitric ash Rock fragments are pumice and rare polycrystalline quartz 170 1043 A 19 H 4 62 171.92 NL X C A C T C- T T C- T A T T T Grayish green diatomaceous ooze Pyritized spores or diatoms 170 1043 A 20 X 1 80 177.4 NL X T A C C- T C- T C T C T A T Dark olive green diatomaceous ooze with "Some glass is brown, most clear" "nannofossils, ash" 170 1043 A 20 X 3 44 180.04 NL X T C A T T T T T T C+ C- A T T Medium green diatomaceous ooze with nannofossils 170 1043 A 21 X 1 80 186.8 NL X T C A C C- T T T T T T T T A T T T T T Grayish green diatomaceous ooze Other = Biotite. Pyritized tests 170 1043 A 21 X 4 10 190.6 JM X C- A T T A T T T T T T T C T T Greenish gray clay with diatoms 170 1043 A 21 X CC 10 195.1 NL X T C A C T C+ C T T T T T T T Dark greenish gray silty clay with ash 170 1043 A 22 X 2 80 197.9 OMS X C- A C- T A C- T T T C- T T Olive green clay 170 1043 A 22 X 6 142 204.52 HT X C+ A C C T C- A T T T T Light gray crystal vitric ash 170 1043 A 22 X 7 21 204.81 HT X T C A C- C A T T T T T C- C C- T T T Grayish green silty clay 170 1043 A 23 X 2 54 206.94 JM X T C A C- T A C- T T T T C- C T T T Olive green silty clay with diatoms 170 1043 A 23 X 4 12 209.82 OMS X T C A C+ C A C C- T T T C- T T T T Dark brown silty clay 170 1043 A 24 X 2 33 216.63 HT X T C A C- C A C- T T T T T C- T Grayish green silty clay 170 1043 A 24 X 7 16 223.96 HT X T C A C- T A T C- T C- T T T T C- C- T Grayish green silty clay Rock fragments are pumice 170 1043 A 25 X 1 50 225 HT X T C- A C- A T C- T T T C- T Medium green clay 170 1043 A 25 X 6 50 232.5 JM X C- A C- A T T C- C- T C- T C- Gray clay 170 1043 A 26 X 1 135 235.45 HT X C- A T A T T T T C T C- C C- T C Light grayish green clay 170 1043 A 26 X 5 72 240.82 MM X T A T T A T T T T C+ T T Green clay with nannofossils 170 1043 A 27 X 2 45 245.65 NLG X T T A T T T A A T C+ T Light green calcareous ooze with nannofossils 170 1043 A 27 X 4 10 248.3 NLG X T A T T A T T T T T T Dark grayish green clay 170 1043 A 28 X 1 135 254.65 NL X T A T T C- C- T T C T A T T T Grayish green clayey nannofossil ooze 170 1043 A 28 X 2 8 254.88 NL X T T C- A C- A T C- T T T T A C Medium green nannofossil ooze with diatoms 170 1043 A 28 X 4 52 258.32 NL X T C- A T T T T T C- C+ A C- Light greenish gray nannofossil ooze 170 1043 A 29 X 1 10 263.1 NL X T C A T T A C- T T C+ T T T Dark grayish green clay with diatoms Other = biotite (T). Sponge spicules are pitted - silica dissolution. 170 1043 A 29 X 3 50 266.5 NL X C- A T T C- C- A C- C+ T T Light greenish gray calcareous ooze with diatoms 170 1043 A 30 X 1 30 272.9 NL X T T A T T T T C A C+ T T Ivory white diatomaceous nannofossil ooze - firm 170 1043 A 30 X 3 24 275.84 NL X T T A T T T C- C- C T A C+ T T Very dark gray diatomaceous nannofossil Both clear and brown volcanic glass are present ooze - very firm 170 1043 A 30 X 5 52 279.12 NL X T A T T C- T T C A C C+ Greenish-gray diatomaceous ooze with Silica dissolution nannofossils - very firm