Appendix Table 2. Ash layers for Hole 998B. Core Section "top, cm" "base, cm" "Thick, cm" Petrogr Comments Ash/cm/core Layers/core 1R 2 98.0 99.0 1.0 no slide 28.0 5 4 94.0 100.0 6.0 no slide 5 71.0 74.0 3.0 "Gl, Pl, Qz" slide 7 19.0 29.0 10.0 no slide 7 45.0 53.0 8.0 "Gl, Bi, Qz, Pl" slide 2R 3 37.0 38.0 1.0 no slide 9.0 3 3 49 56 7.0 "Bi, Pl, Qz, Gl alt" slide 5 37 38 1.0 no slide 3R 3 127 128 no slide 5 52 57.5 5.5 "Bi, Qz, Gl alt" slide 14.5 3 5 86 88 no slide 6 51 55.5 4.5 no slide 6 102.5 107 4.5 "Bi, Pl, Qz" slide 4 3 99 101 2.0 no slide 9.0 3 3 115 117 2.0 no slide 4 112 117 5.0 no slide 5 1 115 120 5.0 no slide 16.0 8 2 18 19 1.0 no slide 2 32 33 1.0 no slide 2 74 75 1.0 no slide 3 30 31 1.0 no slide 3 83 84 1.0 no slide 5 134 139 5.0 no slide 6 23 24 1.0 no slide 6 1 59 61 2.0 no slide 8.0 6 2 84 85 1.0 no slide 2 88 90 2.0 3 102 103 1.0 6 48 49 1.0 6 99 100 1.0 7 1 130 131 1.0 6.0 3 2 90 91 1.0 2 100 104 4.0 8 3 55 56 1.0 12.0 5 4 6 7 1.0 4 20 21 1.0 4 89 92 3.0 "Gl, Pl, Qz" slide 5 54 60 6.0 9 3 111 113 2.0 6.0 2 4 50 54 4.0 Qz slide 10 1 89 90 1.0 1.0 1 11 2 88 92 4.0 9.0 2 3 18 23 5.0 3 50 62 14 1 58 60 2.0 2 1 15 1 43 44 1.0 Major incr in ash 53.5 11 1 75 76 1.0 1 81 82 1.0 "Gl, Bi" 1 99 101 2.0 2 120 121 1.0 3 87 92 5.0 3 102 106 4.0 3 116 118 2.0 4 4 5.5 1.5 4 19 43 24.0 Gl 4 43 52 9.0 4 92 94 2.0 16 3 34 39 5.0 5 1 17 1 1 6 5.0 12.0 5 3 8 12 4.0 4 24 25 1.0 4 45 46 1.0 4 77 78 1.0 18 1 50 51 1.0 11.5 8 1 149 150 1.0 3 141 142 1.0 5 24 27 3.0 5 124 125 1.0 5 127 128 1.0 6 16 16.5 0.5 6 50 53 3.0 19 1 118 120 2.0 8.5 5 2 117 117.5 0.5 2 135 137 2.0 6 20 22 2.0 6 122 124 2.0 20 1 63 63.5 0.5 12.5 5 2 8 9 1.0 2 109 110 1.0 4 4 9 5.0 4 24 29 5.0 21 4 142 143 1.0 1.5 2 5 56 56.5 0.5 22 4 44 44.5 0.5 8.5 5 4 91 93 2.0 4 126 129 3.0 5 14 15 1.0 5 98 100 2.0 23 3 72 73.5 1.5 Turbidites begin below 6.5 4 4 27 28.5 1.5 4 53 56 3.0 4 90 90.5 0.5 24 1 30 31 1.0 1 1 25 2 57 59 2.0 7.0 3 2 88 90 2.0 3 62 65 3.0 26 1 87 88 1.0 5.5 5 4 51 52 1.0 5 40 41 1.0 5 98 100 2.0 6 30 30.5 0.5 27 1 63 63.5 0.5 14.5 13 2 107 110 3.0 2 130 131 1.0 3 40 41 1.0 4 3 5 2.0 4 34 36 2.0 5 5 5.5 0.5 5 35 35.5 0.5 5 53 53.5 0.5 5 62 62.5 0.5 6 11 12 1.0 6 68 69 1.0 7 3 4 1.0 28 1 10 11 1.0 41.0 29 1 15.5 16 0.5 1 39 40 1.0 1 76 78 2.0 1 115 117 2.0 1 146 146.5 0.5 2 29 31 2.0 2 42.0 42.5 0.5 2 76.0 76.5 0.5 2 91.0 91.5 0.5 2 110.0 114.0 4.0 3 24.0 26.0 2.0 3 34.0 35.0 1.0 3 99.0 101.0 2.0 4 80.0 82.0 2.0 4 100.0 102.0 2.0 5 32.0 35.0 3.0 5 114.0 116.0 2.0 5 139.0 140.0 1.0 6 6.0 7.0 1.0 6 13.0 14.0 1.0 6 28.0 29.0 1.0 6 43.0 44.0 1.0 6 96.0 98.0 2.0 6 114.0 116.0 2.0 6 135.0 136.0 1.0 7 2.0 2.5 0.5 7 10.0 11.0 1.0 7 22.0 22.5 0.5 cc 7.5 8.0 0.5 29 1 28.0 30.0 2.0 40.0 19 1 44.0 52.0 8.0 1 62.0 63.0 1.0 1 102.0 103.0 1.0 2 29.0 32.0 3.0 2 52.0 54.0 2.0 2 96.0 96.5 0.5 2 110.0 111.0 1.0 2 115.0 117.0 2.0 3 7.0 12.0 5.0 3 31.0 34.0 3.0 3 123.0 126.0 3.0 4 38.0 39.0 1.0 4 110.0 112.0 2.0 5 15.0 16.0 1.0 5 20.0 21.0 1.0 5 38.0 40.0 2.0 5 55.0 55.5 0.5 5 76.0 77.0 1.0 30 4 45.0 46.0 1.0 25.0 9 4 72.0 73.0 1.0 4 100.0 103.0 3.0 4 124.0 125.0 1.0 4 133.0 134.0 1.0 4 138.0 139.0 1.0 6 71.0 75.0 4.0 6 81.0 84.0 3.0 7 8.0 9.0 1.0 7 45.0 50.0 5.0 ash turbidites below 31 1 7.0 11.0 4.0 153.0 45 1 34.0 39.0 5.0 1 73.0 76.0 3.0 1 109.0 113.0 4.0 1 122.0 124.0 2.0 1 142.0 143.0 1.0 2 28.0 32.0 4.0 2 69.0 79.0 10.0 2 116.0 121.0 5.0 2 128.0 133.0 5.0 3 20.0 22.0 2.0 3 35.0 38.0 3.0 3 45.0 47.0 2.0 3 68.0 77.0 9.0 3 95.0 96.0 1.0 3 104.0 106.0 2.0 3 146.0 147.0 1.0 4 9.0 10.0 1.0 4 15.0 16.0 1.0 4 41.0 48.0 7.0 4 67.0 69.0 2.0 4 59.0 60.0 1.0 4 101.0 105.0 4.0 4 120.0 126.0 6.0 4 140.0 140.5 0.5 5 17.0 19.0 2.0 5 29.0 30.5 1.5 5 38.0 39.5 1.5 5 71.0 75.0 4.0 5 88.0 92.0 4.0 5 103.0 105.0 2.0 5 119.0 120.0 1.0 6 3.0 5.0 2.0 6 14.0 18.0 4.0 6 23.0 24.0 1.0 6 38.0 41.0 3.0 6 51.0 53.0 2.0 6 79.0 81.0 2.0 6 91.0 93.0 2.0 6 112.0 113.0 1.0 6 126.0 128.0 2.0 6 140.0 145.0 5.0 7 8.0 10.5 2.5 7 21.0 24.0 3.0 cc 0.0 19.0 19.0 cc 34.0 37.0 3.0 32 1 17.0 22.0 5.0 217.0 46 1 28.0 30.0 2.0 1 50.0 55.0 5.0 1 64.0 65.0 1.0 1 74.0 75.0 1.0 1 80.0 81.0 1.0 1 94.0 95.0 1.0 1 130.0 135.0 5.0 2 20.0 27.0 7.0 2 50.0 54.0 4.0 2 58.0 75.0 17.0 2 97.0 98.0 1.0 2 104.0 106.0 2.0 2 111.0 115.0 4.0 2 117.0 120.0 3.0 2 141.0 150.0 9.0 3 6.0 8.0 2.0 3 19.0 23.0 4.0 3 23.0 29.0 6.0 3 49.0 50.5 1.5 3 57.0 74.0 17.0 3 88.0 92.0 4.0 3 106.0 109.0 3.0 3 127.0 135.0 8.0 3 140.0 142.0 2.0 4 10.0 13.0 3.0 4 32.0 72.0 40.0 4 92.0 93.0 1.0 4 124.0 129.0 5.0 4 133.0 144.0 11.0 5 27.0 30.0 3.0 5 44.0 47.0 3.0 5 56.0 66.0 10.0 5 71.0 81.0 10.0 5 105.0 107.0 2.0 5 139.0 140.0 1.0 6 39.0 40.0 1.0 6 55.0 56.0 1.0 6 69.0 70.0 1.0 6 75.0 77.0 2.0 6 93.0 94.0 1.0 6 111.0 112.0 1.0 6 115.0 116.0 1.0 6 120.0 121.0 1.0 6 122.0 122.5 0.5 6 133.0 135.0 2.0 cc 16.0 17.0 1.0 33 1 7.0 9.0 2.0 63.5 19 1 55.0 56.0 1.0 1 114.0 120.0 6.0 1 120.0 126.0 6.0 1 134.0 135.0 1.0 2 0.0 6.0 6.0 2 29.0 35.5 6.5 2 58.0 65.0 7.0 2 100.0 102.0 2.0 2 111.0 112.0 1.0 3 13.0 15.0 2.0 3 31.0 36.0 5.0 3 64.0 66.0 2.0 3 72.0 71.0 -1.0 3 111.0 113.0 2.0 3 125.0 130.0 5.0 5 19.0 23.0 4.0 5 64.0 66.0 2.0 5 105.0 108.0 3.0 6 19.0 20.0 1.0 34 1 110.0 150.0 40.0 73.0 10 2 49.0 50.0 1.0 3 60.0 68.0 8.0 3 40.0 42.0 2.0 4 8.0 9.0 1.0 4 38.0 39.0 1.0 4 45.0 46.0 1.0 5 2.0 14.0 12.0 5 123.0 127.0 4.0 6 84.0 87.0 3.0 35 2 31.5 32.0 0.5 143.5 14 2 86.0 117.0 31.0 3 70.0 72.0 2.0 3 117.0 126.0 9.0 3 140.0 141.0 1.0 4 55.0 61.0 6.0 4 69.0 72.0 3.0 4 88.0 89.0 1.0 5 39.0 45.0 6.0 5 67.0 68.0 1.0 5 83.0 84.0 1.0 5 102.0 113.0 11.0 6 21.0 90.0 69.0 6 121.0 122.0 1.0 cc 5.0 6.0 1.0 36 2 43.0 44.0 1.0 37.5 20 2 50.0 51.0 1.0 2 76.0 77.0 1.0 2 85.0 86.0 1.0 2 95.0 96.0 1.0 2 108.0 109.0 1.0 2 109.0 112.0 3.0 3 10.0 13.0 3.0 3 107.0 109.0 2.0 3 141.0 143.0 2.0 4 7.5 8.0 0.5 4 17.0 18.0 1.0 4 19.0 20.0 1.0 4 29.0 30.0 1.0 4 72.0 73.0 1.0 4 111.0 112.0 1.0 4 132.0 134.0 2.0 4 138.0 144.0 6.0 5 16.0 18.0 2.0 5 70.0 75.0 5.0 cc 13.0 14.0 1.0 37 1 7.0 8.0 1.0 76.0 43 1 55.0 56.0 1.0 1 74.0 75.0 1.0 1 91.0 92.0 1.0 1 94.0 95.0 1.0 1 103.0 104.0 1.0 1 107.0 108.0 1.0 1 143.0 144.0 1.0 2 14.0 15.0 1.0 2 31.0 32.0 1.0 2 71.0 72.0 1.0 2 96.0 99.0 3.0 2 118.0 119.0 1.0 2 134.0 135.0 1.0 2 143.0 144.0 1.0 2 63.0 64.0 1.0 2 107.0 111.0 4.0 3 4.0 5.0 1.0 3 14.0 15.0 1.0 3 64.0 67.0 3.0 3 72.0 73.0 1.0 3 113.0 114.0 1.0 3 115.0 116.0 1.0 3 120.0 121.0 1.0 3 144.0 145.0 1.0 4 19.0 20.0 1.0 4 30.0 31.0 1.0 4 33.0 34.0 1.0 4 40.0 48.0 8.0 4 53.0 54.0 1.0 4 67.0 68.0 1.0 4 79.0 83.0 4.0 4 122.0 124.0 2.0 5 9.0 11.0 2.0 5 89.0 90.0 1.0 5 96.0 97.0 1.0 5 132.0 133.0 1.0 5 135.0 136.0 1.0 5 139.0 149.0 10.0 6 19.0 20.0 1.0 6 24.0 27.0 3.0 6 32.0 33.0 1.0 cc 6.0 7.0 1.0 cc 21.0 24.0 3.0 Total ash (cm) and layers in core 1137.5 364.0