Initial Reports, Volume 208 Smear Slide Data Table Hole 1262B 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 ?) Chert New Component New Component Total % Sediment Name Dominant Lithology? Minor Lithology? Comments Ordering 208 1262 B 1 H 1 50 0.5 0 TR 0 0 TR TR 0 0 100 100 0 0 100 Nannofossil Ooze X 1 208 1262 B 1 H 1 70 0.7 0 0 0 0 3 3 96 96 TR 1 1 0 100 Nannofossil Ooze X 2 208 1262 B 1 H 2 130 2.8 0 0 0 0 1 1 99 98 1 0 TR 0 100 Nannofossil Ooze X 3 208 1262 B 1 H 4 5 4.55 0 0 1 1 0 3 3 96 96 0 0 100 Nannofossil Ooze X nanofossils mostly fragmented 4 208 1262 B 1 H 5 10 6.1 0 3 0 0 0 5 5 91 90 TR 1 1 1 0 100 Nannofossil Ooze X 5 208 1262 B 2 H 1 98 4.55 0 0 0 TR TR 0 0 TR 100 100 TR 0 TR 0 100 Nannofossil Ooze X 6 208 1262 B 2 H 3 76 7.33 0 TR 0 0 TR 0 TR 2 2 98 98 0 TR 0 100 Nannofossil Ooze X 7 208 1262 B 2 H 6 45 11.52 0 0 0 0 2 2 98 98 TR 0 0 100 Nannofossil Ooze X 8 208 1262 B 3 H 1 107 15.38 0 0 0 0 3 1 10 10 86 86 0 TR 0 100 Foraminifer-bearing Nannofossil Ooze X 9 208 1262 B 3 H 4 94 19.75 0 0 0 TR 0 TR TR 1 1 99 99 0 TR 0 100 Nannofossil Ooze X 10 208 1262 B 3 H 6 8 21.89 0 0 0 0 5 5 95 75 20 0 TR 0 100 Nannofossil Ooze X 11 208 1262 B 4 H 1 138 24.77 0 0 0 TR 0 TR 5 5 95 85 10 0 0 100 Nannofossil Ooze X 12 208 1262 B 4 H 6 7 30.96 0 0 0 0 TR 0 TR 100 97 3 0 TR 0 100 Nannofossil Ooze X 13 208 1262 B 4 H 6 40 31.29 0 0 0 TR 0 TR 0 TR 100 90 10 0 0 100 Nannofossil Ooze X 14 208 1262 B 5 H 2 145 36.36 0 TR 0 TR 0 0 TR 3 10 10 87 87 0 TR 0 100 Foraminifer-bearing Nannofossil Ooze X 15 208 1262 B 5 H 3 45 36.86 0 1 0 TR 0 TR 0 2 0 95 80 10 5 2 2 0 100 Nannofossil Ooze X 16 208 1262 B 5 H 6 40 41.31 0 TR 0 TR 0 0 TR 2 0 97 80 2 15 1 1 0 100 Nannofossil Ooze X 17 208 1262 B 6 H 1 100 43.28 0 TR 0 TR 0 0 TR 3 0 TR 97 80 10 7 0 TR 0 100 Nannofossil Ooze X 18 208 1262 B 6 H 2 81 44.59 0 0 TR 0 0 TR 2 88 88 10 8 2 0 TR 0 100 Nannofossil-bearing Foraminifer Ooze X foraminifers are mostly fragmented 19 208 1262 B 6 H 3 20 45.48 0 4 0 1 0 0 2 2 2 90 80 5 5 1 1 0 100 Nannofossil Ooze X 20 208 1262 B 6 H 4 60 47.38 0 TR 0 2 0 0 2 0 TR 95 80 5 10 1 1 0 100 Nannofossil Ooze X 21 208 1262 B 6 H 5 111 49.39 0 0 TR 0 0 TR 5 84 84 10 10 1 1 0 100 Nannofossil-bearing Foraminifer Ooze X 22 208 1262 B 6 H 6 120 50.98 8 4 88 0 85 0 5 0 8 1 1 0 0 TR TR 1 1 0 100 Clay X 23 208 1262 B 7 H 2 40 54.63 1 40 59 0 55 10 10 5 0 15 0 11 0 2 2 2 2 0 100 Silty Clay X 24 208 1262 B 7 H 3 50 55.56 2 35 63 0 TR 66 5 5 1 0 0 25 0 1 1 2 2 0 100 Silty Clay X 25 208 1262 B 7 H 7 20 60.2 15 5 80 0 TR 75 1 1 TR 0 3 12 12 0 8 6 2 1 1 0 100 Zeolite-bearing Clay X 26 208 1262 B 7 H 8 45 61.45 4 3 93 0 1 0 1 0 TR 4 4 1 3 3 89 80 5 4 1 1 0 100 Nannofossil Ooze X 27 208 1262 B 8 H 1 90 63.69 12 5 83 0 5 0 1 0 1 1 3 10 10 79 70 5 4 1 1 0 100 Foraminifer-bearing Nannofossil Ooze X 28 208 1262 B 8 H 2 30 64.59 1 35 64 0 TR 64 10 10 2 0 5 16 0 0 1 1 2 2 0 100 Ash-bearing Clay X 29 208 1262 B 8 H 4 100 68.29 1 99 0 3 0 1 0 0 1 1 95 90 2 3 0 TR 0 100 Nannofossil Ooze X 30 208 1262 B 8 H 6 20 70.49 1 1 98 0 TR 15 0 2 0 0 TR 1 0 80 70 5 5 2 2 0 100 Clay-bearing Nannofossil Ooze X 31 208 1262 B 9 H 1 26 74.53 1 99 0 TR 0 TR 0 0 TR TR 3 3 96 85 5 6 1 1 0 100 Nannofossil Ooze X 32 208 1262 B 9 H 2 80 76.57 3 97 0 5 0 1 0 2 0 0 91 80 5 6 1 1 0 100 Nannofossil Ooze X 33 208 1262 B 9 H 3 130 78.57 1 99 0 TR 0 1 0 0 TR 1 0 98 90 5 3 0 TR 0 100 Nannofossil Ooze X 34 208 1262 B 9 H 4 140 80.17 1 35 64 0 TR 70 0 2 0 5 21 0 0 0 TR 2 2 0 100 Ash-bearing Clay X 35 208 1262 B 9 H 5 70 80.97 2 98 0 TR 0 1 0 0 1 3 3 95 85 5 5 0 TR 0 100 Nannofossil Ooze X 36 208 1262 B 10 H 1 50 84.82 1 28 71 0 69 5 5 1 0 5 15 1 1 0 0 TR 4 4 0 100 Ash-bearing Clay X 37 208 1262 B 10 H 1 93 85.25 20 50 30 0 20 0 TR 10 0 5 53 0 2 0 0 10 10 0 100 Clay-bearing Ash X potential ash layer? 38 208 1262 B 10 H 3 130 88.62 1 99 1 1 TR 0 1 0 0 1 1 1 96 85 5 6 0 TR 0 100 Nannofossil Ooze X 39 208 1262 B 10 H 4 78 89.6 5 95 0 0 TR 0 0 TR 1 4 4 95 85 5 5 0 TR 0 100 Nannofossil Ooze X 40 208 1262 B 10 H 6 140 93.22 1 99 0 4 0 1 0 0 1 0 94 70 20 4 0 TR 0 100 Nannofossil Ooze X 41 208 1262 B 11 H 2 30 97.78 1 99 0 2 0 TR 0 0 1 1 1 96 85 5 6 0 TR 0 100 Nannofossil Ooze X 42 208 1262 B 11 H 2 96 98.44 1 2 98 0 15 0 1 0 0 1 0 82 70 10 2 1 1 0 100 Clay-bearing Nannofossil Ooze X 43 208 1262 B 11 H 4 2 100.5 3 97 0 2 0 1 0 0 1 1 1 92 80 5 7 3 3 0 100 Nannofossil Ooze X 44 208 1262 B 11 H 5 138 103.36 10 5 85 0 0 TR 0 0 1 10 10 89 80 2 7 0 TR 0 100 Foraminifer-bearing Nannofossil Ooze X 45 208 1262 B 11 H 7 50 104.88 2 10 88 0 0 TR 0 0 2 10 10 88 80 2 6 0 TR 0 100 Foraminifer-bearing Nannofossil Ooze X 46 208 1262 B 12 H 1 72 107.26 0 TR 4 0 0 TR TR 0 0 95 65 30 1 1 0 100 Nannofossil Ooze X 47 208 1262 B 12 H 5 102 113.56 0 0 1 2 2 0 TR 0 97 77 20 0 0 100 Nannofossil Ooze X sample taken in darker layer; trace dinoflagellates appear to be calcareous 48 208 1262 B 12 H 6 36 114.4 0 2 0 0 0 TR 0 TR 98 83 15 0 0 100 Nannofossil Ooze X 49 208 1262 B 13 H 1 2 116.39 0 0 0 TR TR 0 TR 0 100 70 30 0 TR 0 100 Nannofossil Ooze X 50 208 1262 B 13 H 1 75 117.12 0 5 0 0 TR TR 0 0 TR 95 65 30 0 0 100 Nannofossil Ooze X 51 208 1262 B 13 H 1 78 117.15 0 TR 2 0 TR 0 TR TR 0 0 TR 98 68 30 0 TR 0 100 Nannofossil Ooze X 52 208 1262 B 13 H 3 80 119.84 0 2 0 0 TR 0 TR 0 TR 98 83 15 0 0 100 Nannofossil Ooze X 53 208 1262 B 13 H 5 33 122.37 0 3 0 0 TR 0 TR 1 1 96 76 20 0 0 100 Nannofossil Ooze X 54 208 1262 B 14 H 3 100 130.79 0 0 TR 1 1 0 1 1 1 97 92 5 0 0 100 Nannofossil Ooze X dynocyst with visible archeopyle at 72.3/13.8 (zeiss 473012-9902) 55 208 1262 B 14 H 6 50 134.79 0 0 0 TR 0 TR 0 TR 100 95 5 0 0 100 Nannofossil Ooze X 56 208 1262 B 16 H 3 121 150.97 0 TR 0 0 TR 0 0 100 95 5 0 0 100 Nannofossil Ooze X trace opaque minerals are hematite 57 208 1262 B 16 H 4 30 151.56 0 TR 0 0 0 TR 0 TR 100 85 15 0 0 100 Nannofossil Ooze X 58 208 1262 B 16 H 5 80 153.56 1 1 0 0 0 TR 1 1 98 83 15 0 0 100 Nannofossil Ooze X 59 208 1262 B 16 H 7 57 156.33 1 1 0 0 TR 0 1 1 98 88 10 0 0 100 Nannofossil Ooze X 60 208 1262 B 17 H 2 80 159.32 0 0 TR 0 0 TR 1 3 3 96 80 4 12 0 TR 0 100 Nannofossil Ooze X 61 208 1262 B 17 H 6 30 164.82 0 1 0 0 0 TR TR 1 1 98 85 5 8 0 0 100 Nannofossil Ooze X 62 208 1262 B 18 H 2 60 170.09 0 3 0 2 0 0 1 2 2 91 85 2 4 1 1 0 100 Nannofossil Ooze X 63 208 1262 B 18 H 4 104 173.53 0 15 0 4 0 8 1 1 0 71 71 1 1 0 100 Clay-bearing Nannofossil Ooze X 64 208 1262 B 18 H 4 117 173.66 0 49 3 3 3 0 2 12 0 0 30 25 5 1 1 0 100 Ash-bearing Nannofossil Clay X 65 208 1262 B 18 H 5 101 175 0 5 0 0 0 10 1 1 84 80 4 0 TR 0 100 Pyrite-bearing Nannofossil Ooze X 66 208 1262 B 18 H 7 72 177.71 0 0 1 0 0 TR 8 8 90 80 3 7 1 1 0 100 Nannofossil Ooze X 67 208 1262 B 19 H 2 80 180.79 4 1 95 0 2 0 TR 0 0 TR 4 4 94 90 4 0 0 100 Nannofossil Ooze X 68 208 1262 B 19 H 6 60 186.59 4 1 95 0 1 0 TR 0 1 0 TR 3 3 95 90 5 0 0 100 Nannofossil Ooze X 69 208 1262 B 20 H 1 108 190.31 7 2 91 0 2 0 1 0 0 TR 6 6 90 85 5 1 1 0 100 Nannofossil Ooze X 70 208 1262 B 20 H 2 80 191.53 8 4 82 0 3 0 TR TR 0 0 TR 10 10 87 80 7 0 TR 0 100 Foraminifer-bearing Nannofossil Ooze X 71 208 1262 B 20 H 5 10 195.33 6 2 92 0 10 0 1 0 1 1 6 6 81 75 6 1 1 0 100 Clay-bearing Nannofossil Ooze X 72 208 1262 B 21 H 1 24 201.58 0 5 0 1 0 2 0 14 14 77 70 7 1 1 0 100 Foraminifer-bearing Nannofossil Ooze X 73 208 1262 B 21 H 3 65 204.99 0 8 0 1 0 2 0 TR 12 12 76 70 6 1 1 0 100 Foraminifer-bearing Nannofossil Ooze X 74 208 1262 B 21 H 6 42 209.26 0 10 0 1 0 2 0 3 3 83 75 8 1 1 0 100 Clay-bearing Nannofossil Ooze X 75 208 1262 B 22 H 1 10 211.99 0 33 0 TR 0 0 TR TR 0 TR 67 67 0 0 100 Clayey Nannofossil Ooze X 76 208 1262 B 22 H 1 30 212.19 0 TR 3 0 TR 0 0 TR TR 4 1 2 1 93 93 0 TR 0 TR 100 Nannofossil Ooze X 77 208 1262 B 22 H 2 64 213.53 0 18 0 1 0 0 2 1 1 79 79 0 0 100 Clay-bearing Nannofossil Ooze X 78 208 1262 B 22 H 4 16 215.31 0 75 0 0 5 5 0 10 10 5 5 0 0 100 Foraminifer-bearing Clay X 79 208 1262 B 22 H 4 27 215.42 2 53 45 0 TR 40 2 2 1 0 30 20 0 2 2 5 5 0 0 100 Clayey Silt X red layer; corroded feldspar 80 208 1262 B 22 H 4 130 216.45 0 7 93 0 65 0 TR 0 0 5 3 1 2 27 27 0 0 TR 100 Nannofossil Clay X K/T boundary 81 208 1262 B 22 H 4 135 216.5 3 7 90 0 45 0 2 0 TR 0 18 18 35 35 0 TR 0 100 Foraminifera-bearing Nannofossil Clay X K/T boundary; traces of microtektite 82 208 1262 B 22 H 4 136 216.51 0 3 97 0 60 0 TR 0 0 1 0 TR 38 35 3 0 0 1 100 Nannofossil Clay X K/T boundary; traces of microtektite 83 208 1262 B 22 H 4 139 216.54 0 TR 12 0 TR 0 TR TR TR 2 0 4 4 81 81 1 1 0 100 Clay-bearing Nannofossil Ooze X K/T boundary 84 208 1262 B 22 H 4 146 216.61 0 TR 15 0 TR 1 0 TR 8 1 1 3 3 72 72 0 TR 0 100 Clay-bearing Nannofossil Ooze X traces of microtektite and round shaped quartz 85 208 1262 B 22 H 6 72 218.87 0 20 0 TR 0 TR TR 0 2 0 TR 75 75 0 0 3 100 Clay-bearing Nannofossil Ooze X 86 208 1262 B 22 H 6 106 219.21 0 TR 40 0 TR 0 0 10 10 50 50 0 0 100 Clayey Nannofossil Ooze with forams X 87 208 1262 B 23 H 1 80 224.38 0 TR 35 0 0 0 5 5 60 60 0 0 100 Clayey Nannofossil Ooze X 88 208 1262 B 23 H 4 66 228.74 0 0 100 0 TR 60 0 0 0 TR 0 40 40 0 TR 0 100 Nannofossil Clay X pink lithology 89 208 1262 B 23 H 5 50 230.08 0 0 TR 0 TR 15 0 1 1 84 84 0 TR 0 100 Nannofossil Ooze X 90 208 1262 B 23 H 6 8 231.16 0 TR 30 0 1 0 TR 0 0 68 68 1 1 0 100 Clayey Nannofossil Ooze X 91