Initial Reports, Volume 208 Smear Slide Data Table Hole 1262A Leg Site Hole Core Type Section Sample Depth in Section (cm) Sample Depth in Hole (mcd) Sand Silt Clay Accessory Minerals Carbonate Calcite Dolomite Inorganic Calcite Organic Calcite Non-Specific Clay Feldspar Plagioclase Non-Specific Fe-oxide Glauconite Mica Biotite Muscovite Non-Specific Opaque Minerals Quartz Volcanic Glass Zeolite Clinoptilolite Phillipsite Non-Specific Pyrite Bioclasts Carbonate Grains Cement Clasts Micrite Ooids Rock Fragments Shell Debris Volcanic Ash Algae Bioclasts Coral Diatoms Dinoflagellate Ebridians Fish Remains Foraminiferes Benthic Planktonic Non-Specific Nannofossils Coccolith Discoasters Non-Specific Organic Debris Plant Debris Non-Specific Pollen Pteropod Radiolarians Silicoflagellates Sponge Spicules Siliceous Sponge Spicules Non-Specific Spores Ostracods Unknown Component (Spine, Nanno ?) New Component New Component New Component Total % Sediment Name Dominant Lithology? Minor Lithology? Comments Ordering 208 1262 A 1 H 1 79 6.83 0 0 0 0 TR 6 6 89 89 TR 5 5 0 100 Nannofossil Ooze X amorphous organic matter; heavily fragmentated calcareous material 1 208 1262 A 1 H 1 123 7.27 0 0 0 0 2 2 98 98 TR 0 TR 0 100 Nannofossil Ooze with Foraminifer X 2 208 1262 A 1 H 2 55 8.09 0 0 0 0 TR 5 5 95 95 0 TR 0 100 Nannofossil Ooze X 3 208 1262 A 1 H 3 94 9.98 0 0 0 0 TR 2 2 98 98 TR 0 TR 0 100 Nannofossil Ooze X 4 208 1262 A 1 H 5 48 12.52 0 0 0 0 2 7 7 91 90 1 0 0 100 Nannofossil Ooze with Foraminifer X many fragmentated Forams; disseminated fine pyrite framboids 5 208 1262 A 1 H 6 76 14.3 0 0 0 0 TR 7 2 5 93 90 3 0 TR 0 TR 100 Nannofossil Ooze with Foraminifer X 6 208 1262 A 1 H 6 130 14.84 0 0 0 0 TR TR 5 5 90 88 2 5 5 0 100 Nannofossil Ooze X some Forams, but most are fragmentated 7 208 1262 A 2 H 1 95 16.76 0 0 0 0 TR 3 5 5 91 89 2 1 1 0 100 Nannofossil Ooze X forams highly fragmentated; amorphous organic material 8 208 1262 A 2 H 2 108 18.39 0 0 0 TR 0 TR 1 3 3 94 92 2 1 1 1 1 100 Nannofossil Ooze X 9 208 1262 A 2 H 3 101 19.82 0 0 0 0 TR 1 4 4 95 92 3 0 0 100 Nannofossil Ooze X 10 208 1262 A 2 H 5 48 22.29 0 1 0 TR 0 0 TR 1 2 2 96 92 4 0 0 100 Nannofossil Ooze X 11 208 1262 A 2 H 7 55 25.33 0 0 0 0 TR 1 3 3 94 91 3 2 2 0 100 Nannofossil Ooze X 12 208 1262 A 3 H 1 60 26.91 0 0 0 0 3 2 2 95 80 15 0 0 100 Nannofossil Ooze X recrystalized carb. Fragments (probably forams); dissaminated small forams 13 208 1262 A 3 H 1 132 27.63 0 0 0 0 2 2 98 94 4 0 TR 0 100 Nannofossil Ooze X 14 208 1262 A 3 H 2 31 28.12 0 0 0 0 5 10 10 85 65 20 0 0 100 Foraminifer-bearing Nannofossil Ooze X white interval with whole and fragmentated forams in a cocolith ooze with discoasters 15 208 1262 A 3 H 3 80 30.11 0 0 0 0 1 0 TR 99 94 5 0 TR 0 100 Nannofossil Ooze X very poor preservation of forams; scattered organic debris 16 208 1262 A 3 H 6 72 34.53 0 0 0 0 5 10 10 85 75 10 0 TR 0 100 Foraminifer-bearing Nannofossil Ooze X abundant discoasters; disseninated traces of organic matter 17 208 1262 A 3 H 7 40 35.21 0 0 0 0 2 2 97 62 35 1 1 0 100 Nannofossil Ooze X fragments of recrystalized forams; lots of discoasters 18 208 1262 A 4 H 1 35 36.36 0 0 0 0 2 5 5 92 84 8 1 1 0 100 Nannofossil Ooze X 19 208 1262 A 4 H 3 70 39.71 0 0 0 0 2 5 5 92 84 8 1 1 0 100 Nannofossil Ooze X 20 208 1262 A 4 H 6 106 44.57 0 TR 0 0 0 1 2 85 85 12 10 2 0 0 100 Nannofossil-bearing foraminiferal Ooze X mainly foram fragments 21 208 1262 A 4 H CC 29 45.96 0 10 0 0 0 1 0 85 70 15 4 4 0 100 Clay-bearing nannofossil Ooze X 22 208 1262 A 5 H 1 80 49.26 5 15 80 0 76 0 2 0 2 0 2 0 18 8 10 0 0 100 Nannofossil-bearing Clay X 23 208 1262 A 5 H 2 97 50.93 0 0 0 0 85 85 15 12 3 0 0 100 Nannofossil-bearing foraminiferal Ooze X Probable turbidite; containing Paleocene-Eocene foraminifers 24 208 1262 A 5 H 5 91 58.37 0 10 90 0 87 0 0 10 0 0 3 3 0 TR 0 100 Ash-bearing Clay X 25 208 1262 A 5 H 7 40 60.86 0 8 92 0 84 0 TR 0 15 0 0 1 1 0 TR 0 100 Ash-bearing Clay X 26 208 1262 A 6 H 3 16 61.41 0 0 1 0 0 1 0 97 82 15 1 1 0 100 Nannofossil Ooze X 27 208 1262 A 6 H 4 92 63.67 0 0 1 0 0 2 20 20 76 74 2 1 1 0 100 Foraminifer-bearing Nannofossil Ooze X 28 208 1262 A 6 H 5 28 64.53 0 2 98 0 90 0 1 0 2 1 1 1 0 3 2 1 2 2 0 100 Clay X 29 208 1262 A 6 H 7 27 67.52 0 0 1 0 0 1 1 1 97 95 2 0 0 100 Nannofossil Ooze X 30 208 1262 A 7 H 1 38 68.77 0 TR 63 0 2 0 3 0 1 0 30 20 10 1 1 0 100 Nannofossil Ooze X 31 208 1262 A 7 H 1 67 69.06 0 0 0 0 TR 1 0 99 94 5 0 TR 0 100 Nannofossil Ooze X 32 208 1262 A 7 H 1 72 69.11 0 0 0 0 TR 1 1 5 5 93 92 1 0 TR 0 100 Nannofossil Ooze X 33 208 1262 A 7 H 1 73 69.12 0 0 0 0 20 20 80 79 1 0 TR 0 100 Foraminifer-bearing Nannofossil Ooze X 34 208 1262 A 7 H 5 40 74.79 0 0 TR 0 TR 0 1 0 99 87 12 0 TR 0 100 Nannofossil Ooze X 35 208 1262 A 7 H 5 100 75.39 0 0 TR 0 TR 0 1 0 99 94 5 0 0 100 Nannofossil Ooze X 36 208 1262 A 7 H 7 4 77.43 0 TR 0 TR 0 0 2 0 TR 98 90 8 0 0 100 Nannofossil Ooze X 37 208 1262 A 8 H 1 56 81.1 0 0 0 0 5 1 1 94 87 7 0 0 100 Nannofossil Ooze X 38 208 1262 A 8 H 1 110 81.64 0 60 40 0 TR 40 5 5 TR 0 TR 40 15 0 0 0 TR 0 TR 0 100 Ash-bearing Clayey Silt X highly altered volcanic ash 39 208 1262 A 8 H 3 12 83.58 1 15 82 0 TR 82 3 3 1 0 TR 8 4 0 0 TR 1 1 1 1 0 100 Clay X altered ash components 40 208 1262 A 8 H 5 7 85.24 15 60 25 0 25 0 TR TR 0 TR 1 42 30 1 1 0 0 1 1 0 100 Ash-bearing Clayey Silt X highly altered volcanic ash 41 208 1262 A 8 H 5 50 85.67 0 10 90 0 90 0 TR 1 0 TR 5 4 0 0 0 TR 0 TR 0 100 Clay X highly altered 'ghost structures' of silt sized volcanic? Grains 42 208 1262 A 9 H 1 25 91.46 0 3 0 0 0 2 2 88 50 38 2 2 0 5 100 Nannofossil Ooze X needle like spines up to 25 µm 43 208 1262 A 9 H 1 98 92.19 0 TR 11 0 0 0 0 87 47 40 2 2 0 100 Clay-bearing nannofossil Ooze X 44 208 1262 A 9 H 3 115 95.36 0 TR 7 0 0 0 0 90 60 30 3 3 0 100 Nannofossil Ooze X 45 208 1262 A 9 H 5 125 98.46 0 TR 12 0 0 0 0 85 35 50 3 3 0 100 Clay-bearing nannofossil Ooze X dark layer 46 208 1262 A 10 H 1 121 102.82 0 3 0 0 0 2 0 95 90 5 0 TR 0 100 Nannofossil Ooze X some recrystalized foram fragments; very minor organic debris 47 208 1262 A 10 H 2 84 103.95 0 TR 2 0 0 0 3 0 95 75 20 0 0 100 Nannofossil Ooze X Bioclasts: recrystalized forams and overgrown discoasters 48 208 1262 A 10 H 5 11 107.72 0 TR 0 0 0 2 TR 0 TR 98 91 7 0 0 100 Nannofossil Ooze X Highly recrystalized Nannofossil Ooze; very minor organic 49 208 1262 A 10 H 5 131 108.92 0 0 0 0 0 TR 100 95 5 0 0 100 Nannofossil Ooze X 50 208 1262 A 10 H 7 46 110.57 0 0 0 0 2 2 98 85 13 0 TR 0 100 Nannofossil Ooze X Clay: Kaolinite? 51 208 1262 A 11 H 1 69 111.74 0 TR 0 0 0 3 0 97 90 4 3 0 0 100 Nannofossil Ooze X 3% Non-specific Nannofossils: Zygrhablithus 52 208 1262 A 11 H 2 44 112.99 0 0 0 TR 0 5 5 95 60 35 0 TR 0 100 Nannofossil Ooze X 53 208 1262 A 11 H 2 45 113 0 0 0 0 0 TR 100 85 10 5 0 0 100 Nannofossil Ooze X abundant Nannofossil Zygrhablithus 54 208 1262 A 11 H 5 11 117.16 0 15 0 0 TR TR 0 0 85 45 40 0 TR 0 100 Clay-bearing nannofossil Ooze X red layer; very abundant Discoasters with variable overgrowth; silt sized quartz 55 208 1262 A 11 H 6 83 119.38 0 TR TR 1 0 0 TR 0 TR 0 TR 98 98 TR 1 1 0 100 Nannofossil Ooze X 56 208 1262 A 12 H 1 90 122.01 1 1 2 0 0 0 1 TR 0 TR 96 90 6 0 0 100 Nannofossil Ooze X 57 208 1262 A 12 H 2 109 123.7 0 1 0 0 0 TR 1 1 98 90 8 0 0 100 Nannofossil Ooze X 58 208 1262 A 12 H 3 75 124.86 2 2 0 0 TR 0 TR 10 10 88 88 0 TR 0 100 Foraminifer-bearing Nannofossil Ooze X 59 208 1262 A 12 H 5 75 127.86 1 1 0 0 TR 0 1 8 8 90 85 5 0 0 100 Nannofossil Ooze X 60 208 1262 A 12 H 6 90 129.51 1 1 0 0 0 TR TR 5 5 94 70 20 4 0 0 100 Nannofossil Ooze X 61 208 1262 A 13 H 1 34 132.45 1 99 0 0 TR 0 0 3 0 97 90 2 5 0 0 100 Nannofossil Ooze X 62 208 1262 A 13 H 3 5 135.16 1 99 2 1 1 0 TR 0 TR 0 0 98 95 3 0 0 100 Nannofossil Ooze X 63 208 1262 A 13 H 3 60 135.71 1 99 0 0 TR 0 0 3 0 97 80 3 14 0 TR 0 100 Nannofossil Ooze X 64 208 1262 A 13 H 5 36 138.47 1 99 0 0 1 0 TR 0 1 0 98 85 5 8 0 TR 0 100 Nannofossil Ooze X 65 208 1262 A 13 H 5 47 138.58 1 99 0 0 1 0 TR TR 0 TR 0 99 89 5 5 0 TR 0 100 Nannofossil Ooze X 66 208 1262 A 13 H 5 51 138.62 1 2 97 0 TR TR 95 0 TR 1 1 1 1 0 3 3 0 0 100 Clay X 67 208 1262 A 13 H 6 5 139.66 1 99 0 2 0 1 0 0 1 1 1 95 75 20 0 0 100 Nannofossil Ooze X 68 208 1262 A 13 H 6 17 139.78 1 1 98 0 5 0 1 0 0 1 0 92 72 20 1 1 0 100 Nannofossil Ooze X 69 208 1262 A 13 H 6 25 139.86 2 98 1 1 35 0 1 0 TR TR 2 0 0 60 50 10 1 1 0 100 Clayey Nannofossil Ooze X 70 208 1262 A 13 H 6 38 139.99 10 10 80 0 TR TR 40 0 5 0 30 1 1 2 0 22 22 0 0 100 Nannofossil/Hematite/Ash-bearing Clay X 71 208 1262 A 13 H 6 47 140.08 20 10 70 2 1 1 76 0 3 1 1 10 2 2 0 6 3 3 0 0 100 Ash-bearing Clay X 72 208 1262 A 13 H 6 49 140.1 1 99 0 84 0 2 0 TR 2 8 8 2 0 2 2 0 0 100 Clay X 73 208 1262 A 13 H 6 52 140.13 1 99 0 TR 0 1 0 TR 1 1 TR 0 98 88 10 0 TR 0 100 Nannofossil Ooze X 74 208 1262 A 13 H 6 70 140.31 1 99 0 TR 0 TR 0 0 2 0 98 88 10 0 TR 0 100 Nannofossil Ooze X 75 208 1262 A 14 H 1 90 143.62 0 0 TR 0 0 TR 1 0 99 90 5 4 0 0 100 Nannofossil Ooze X 76 208 1262 A 14 H 2 61 144.83 0 0 0 0 TR 1 0 99 89 10 0 0 100 Nannofossil Ooze X 77 208 1262 A 14 H 5 80 149.52 0 TR 0 TR 0 TR 0 2 0 98 85 5 8 0 TR 0 100 Nannofossil Ooze X 78 208 1262 A 14 H 7 3 151.25 0 0 TR 0 0 1 0 99 80 5 14 0 TR 0 100 Nannofossil Ooze X 79 208 1262 A 14 H 7 36 151.58 0 0 TR 0 0 TR 1 0 99 80 5 14 0 TR 0 100 Nannofossil Ooze X 80 208 1262 A 15 H 2 50 155.16 0 0 TR 0 TR 0 TR 1 0 99 90 9 0 TR 0 100 Nannofossil Ooze X 81 208 1262 A 15 H 6 6 160.72 0 0 TR 0 0 TR 1 0 99 90 9 0 TR 0 100 Nannofossil Ooze X 82 208 1262 A 16 H 1 70 164.16 0 TR 0 0 TR 0 1 1 99 99 0 0 100 Nannofossil Ooze X 83 208 1262 A 16 H 3 130 167.76 1 1 0 0 0 1 1 1 97 97 0 0 100 Nannofossil Ooze X 84 208 1262 A 16 H 4 53 168.49 0 0 0 0 TR 1 2 2 97 97 0 0 100 Nannofossil Ooze X 85 208 1262 A 16 H 6 40 171.36 0 2 0 1 0 1 1 1 2 0 92 85 7 1 1 0 100 Nannofossil Ooze X 86 208 1262 A 16 H CC 10 173.28 3 5 92 0 25 0 1 0 2 1 1 1 0 68 68 2 2 0 100 Clayey Nannofossil Ooze X 87 208 1262 A 17 H 1 72 173.11 0 TR 0 0 0 1 0 99 99 0 TR 0 100 Nannofossil Ooze X 88 208 1262 A 17 H 1 76 173.15 0 0 0 0 1 0 99 99 0 TR 0 100 Nannofossil Ooze X 89 208 1262 A 17 H 3 135 176.74 1 1 0 0 0 1 TR 0 98 98 0 TR 0 100 Nannofossil Ooze X 90 208 1262 A 17 H 5 66 179.05 1 1 2 0 TR 0 0 TR 1 1 96 96 0 TR 0 100 Nannofossil Ooze X 91 208 1262 A 17 H 5 127 179.66 0 TR 0 1 0 0 TR 3 3 96 96 0 TR 0 100 Nannofossil Ooze X 92 Totals: 0 13 2 11 0 0 0 1071 8 8 0 29 0 2 0 1 1 1 97 130 17 0 0 17 5 6 42 0 0 0 0 0 0 0 0 33 0 0 8 0 0 346 0 19 327 7342 5756 678 908 44 0 44 0 0 0 0 1 0 1 0 0 5 0 0 0