"Table 5. Mineral percentages (in relative weight percentage) for samples from Holes 1023A," "1024B, and 1025B, based on X-ray diffraction analyses of random bulk powders." Notes: wt% = weight percentage. Mineral abbreviations: Smec. = smectite; Mica = muscovite and illite; Chlor. = chlorite; Phyllo. = phyllosilicates; Felds. = total feldspar; and Calc. = calcite. Lithology key: CS = clayey silt/silty clay; S = sand/silt; MCS = mixed carbonate-siliciclastic; and * = whole-round sample. Interval Depth Relative abundance of mineral (wt%) from peak area Hole Core Type Sec (cm) (mbsf) Lithology Smec. Mica Chlor. Phyllo. Quartz Felds. Calc. Pyrite 168-1023A 1 H 4 75 3.75 CS 12.3 10.5 9.8 32.6 34.0 29.5 0.1 3.8 1 H 6 75 5.25 CS 9.7 8.3 7.9 25.9 35.2 31.7 1.0 6.2 2 H 1 46 9.76 CS 6.7 17.5 5.3 29.5 37.5 29.4 2.1 1.4 2 H 1 85 10.15 CS* 19.1 8.8 8.7 36.7 28.0 27.3 3.2 4.8 2 H 3 77 13.07 CS 11.8 7.7 10.0 29.5 32.1 32.7 3.4 2.2 2 H 5 134 16.64 CS 7.5 13.3 11.0 31.8 25.6 38.1 0.2 4.3 3 H 1 132 20.12 CS 14.1 9.0 8.9 32.1 35.2 30.1 0.0 2.6 3 H 3 116 22.98 CS 11.8 12.9 9.5 34.2 29.6 24.3 8.1 3.7 3 H 5 70 25.52 CS 11.8 13.0 8.4 33.2 30.3 25.3 6.5 4.6 3 H 7 46 28.28 CS 14.0 14.2 8.7 36.9 32.5 25.8 1.0 3.8 4 H 1 93 29.23 S 6.8 17.9 12.6 37.3 28.4 30.3 0.7 3.3 4 H 3 110 32.40 CS 12.5 23.2 12.9 48.6 23.0 25.1 0.0 3.3 4 H 5 64 34.69 CS 18.0 11.4 4.5 33.9 35.9 24.7 0.0 5.5 4 H 6 54 36.34 S 1.2 9.9 8.0 19.1 27.0 50.7 0.2 3.1 5 H 2 37 39.67 CS 13.2 23.2 13.8 50.2 24.4 21.1 2.2 2.1 5 H 3 54 41.34 CS 19.3 15.4 11.1 45.8 27.6 24.1 0.0 2.5 5 H 4 110 43.40 CS* 35.1 8.6 7.1 50.8 29.2 17.4 0.2 2.4 5 H 5 105 44.85 S* 5.5 4.3 5.0 14.8 31.0 52.6 0.1 1.4 5 H 6 30 45.60 CS 20.3 13.3 10.2 43.8 26.0 24.7 1.8 3.7 6 H 1 21 47.51 S 7.0 5.6 7.6 20.2 32.0 44.0 1.5 2.3 6 H 3 25 50.55 CS* 17.8 11.8 10.7 40.3 27.8 25.8 2.5 3.6 6 H 4 53 52.33 CS 12.3 14.8 10.5 37.6 31.0 25.2 2.6 3.6 6 H 5 95 54.25 CS 15.9 12.2 10.9 38.9 30.2 25.6 1.3 4.0 6 H 7 36 56.66 CS 14.9 9.7 11.5 36.0 27.7 29.8 1.3 5.2 7 H 1 65 57.45 CS 17.8 10.6 8.9 37.2 32.2 27.0 0.0 3.5 7 H 3 88 60.68 CS 10.9 9.4 8.2 28.5 35.1 32.7 0.8 2.9 7 H 5 125 64.05 CS 17.8 12.0 9.9 39.6 27.6 28.1 0.8 3.9 7 H 7 35 66.15 CS 14.9 20.7 10.2 45.8 26.2 24.2 0.6 3.2 8 H 2 56 68.36 CS 22.1 10.9 10.1 43.1 26.8 26.4 0.3 3.4 8 H 4 42 71.22 CS 19.1 13.7 12.4 45.2 27.1 24.6 0.6 2.5 8 H 6 104 74.84 CS 20.1 12.0 10.1 42.2 26.4 26.8 0.0 4.7 9 H 2 52 77.42 CS 17.6 7.8 10.9 36.3 29.2 30.4 0.0 4.0 9 H 4 52 80.42 S 7.0 3.2 4.8 15.0 30.6 51.2 1.3 1.9 9 H 6 65 83.55 CS 16.7 8.3 10.9 35.9 29.2 30.0 0.0 4.9 9 H CC 35 85.49 CS 13.2 11.3 10.9 35.5 30.1 30.1 0.0 4.3 10 H 1 107 86.37 CS 16.5 9.7 10.3 36.5 28.6 30.3 0.0 4.6 10 H 2 70 87.50 CS* 17.3 8.4 9.8 35.4 27.6 31.5 0.0 5.6 10 H 3 45 88.75 CS 13.7 8.8 11.4 34.0 28.8 32.8 0.0 4.5 10 H 3 52 88.82 CS 13.6 10.6 10.6 34.7 30.1 32.2 0.0 2.9 10 H 5 63 91.93 CS 16.3 11.6 11.7 39.6 28.9 27.7 0.0 3.8 10 H 7 25 94.55 S 22.3 11.6 12.3 46.2 24.5 25.3 0.0 4.0 10 H 7 59 94.89 CS 18.9 14.6 8.3 41.8 29.4 26.0 0.0 2.8 11 H 3 84 98.64 CS 13.6 10.4 10.9 35.0 24.6 32.8 0.0 7.7 11 H 5 131 102.11 CS 13.2 13.2 11.2 37.6 26.2 32.2 0.0 4.0 11 H 7 129 105.09 CS* 15.6 11.9 10.8 38.3 29.6 27.8 0.0 4.3 12 H 1 84 105.14 CS 16.6 11.3 9.9 37.8 28.4 28.0 0.0 5.7 12 H 3 52 107.82 CS 18.1 8.7 11.4 38.3 28.3 29.5 0.0 3.9 12 H 5 54 110.84 CS 16.8 11.1 10.7 38.6 25.3 32.0 0.0 4.1 12 H 6 115 112.95 CS* 16.1 11.4 12.1 39.6 25.8 29.8 0.0 4.9 12 H 7 60 113.90 CS 17.8 10.8 10.5 39.1 25.3 31.2 0.0 4.4 13 H 2 93 116.23 CS 25.8 10.6 8.3 44.7 29.0 23.1 0.0 3.2 13 H 3 73 117.53 CS 23.1 9.7 9.7 42.5 25.4 27.0 0.2 4.9 13 H 4 53 118.83 MCS 20.5 10.6 8.6 39.7 24.8 17.9 13.7 3.8 13 H 5 79 120.59 S 7.5 2.0 6.1 15.6 32.1 48.8 0.0 3.6 14 H 1 75 124.05 CS 21.0 6.9 9.3 37.3 29.0 29.3 0.0 4.5 14 H 3 93 127.23 CS 20.8 7.5 7.4 35.8 33.6 27.0 0.0 3.6 14 H 5 19 129.49 CS 19.9 9.6 10.8 40.3 28.3 27.2 0.0 4.2 15 X 1 56 130.56 CS 20.5 8.8 9.2 38.5 30.6 26.0 0.0 4.9 15 X 2 74 132.24 CS* 19.1 10.3 10.6 39.9 28.5 28.6 0.0 2.9 15 X 3 104 134.04 CS 17.9 5.7 8.4 32.1 33.1 32.4 0.0 2.4 16 X 1 52 133.22 CS 17.0 11.3 9.1 37.4 30.0 28.6 0.0 4.1 16 X 3 126 136.96 CS 16.1 11.7 12.1 39.9 26.2 29.5 0.0 4.4 16 X 5 36 139.06 CS 16.0 10.5 11.5 38.0 26.9 31.2 0.0 3.8 17 X 2 58 144.38 CS 16.0 13.6 13.2 42.8 23.4 28.9 0.0 4.9 17 X 4 107 147.87 CS 16.2 12.7 12.4 41.3 22.6 32.2 0.0 3.9 17 X 6 84 150.64 CS* 15.5 13.4 9.1 38.0 22.9 32.6 0.2 6.4 18 X 2 120 155.00 CS 16.2 12.5 10.8 39.5 24.8 30.4 0.0 5.3 18 X 4 33 157.00 CS 12.8 11.2 10.9 34.9 26.5 33.5 0.0 5.1 18 X 5 93 158.84 CS 15.4 11.9 11.5 38.8 25.2 30.0 0.3 5.8 19 X 1 48 162.08 CS 15.8 12.1 9.4 37.3 28.3 28.5 0.8 5.2 19 X 3 97 165.57 CS 19.0 9.2 11.7 39.9 28.6 26.4 0.0 5.1 20 X 1 101 172.21 CS 17.7 9.7 10.3 37.7 28.1 29.3 0.0 4.9 20 X 3 31 174.51 CS 13.6 12.2 10.2 35.9 27.4 32.0 0.8 3.9 20 X 5 32 177.52 CS 16.3 10.3 9.6 36.1 23.5 33.5 0.0 6.8 21 X 2 46 182.76 CS 18.5 12.6 10.6 41.7 24.5 26.1 3.9 3.8 21 X 4 51 185.81 CS 21.2 10.7 9.9 41.9 27.9 26.1 0.0 4.2 21 X 5 55 187.35 MCS 20.0 10.4 8.8 39.2 20.0 9.0 29.6 2.2 21 X 6 62 188.92 MCS 15.0 11.0 11.6 37.7 22.9 20.6 15.0 3.9 22 X 1 54 190.94 CS 30.2 9.8 8.9 48.9 27.2 17.0 1.8 5.1 22 X 3 25 192.30 CS 33.2 8.1 10.8 52.1 19.8 22.2 1.3 4.5 168-1024B 1 H 2 101 2.51 CS 16.9 20.0 10.7 47.6 24.7 23.6 2.6 1.6 1 H 4 42 4.92 CS 15.0 12.3 10.8 38.1 27.9 29.3 1.9 2.8 2 H 2 61 9.71 CS 16.9 9.4 9.4 35.7 28.3 26.4 2.3 7.3 2 H 3 54 11.14 CS 17.9 14.2 11.5 43.6 23.2 27.2 2.7 3.2 2 H 6 45 15.55 CS 17.2 15.0 10.8 43.0 21.5 27.8 3.5 4.2 3 H 1 103 18.13 CS 19.9 12.5 13.8 46.2 20.3 25.5 4.7 3.2 3 H 3 49 20.59 CS 13.1 12.8 12.0 37.9 29.2 29.5 1.8 1.6 3 H 5 67 23.77 CS 14.3 21.5 12.3 48.1 22.9 24.4 1.0 3.6 3 H 6 43 25.03 CS 20.9 17.6 11.0 49.5 23.3 23.9 0.1 3.2 4 H 1 44 27.04 CS 24.6 14.1 7.9 46.6 22.7 25.2 0.7 4.8 4 H 3 109 30.69 CS 25.0 17.9 10.3 53.2 21.7 17.8 4.1 3.2 4 H 5 14 32.74 CS 18.8 12.3 10.6 41.7 23.7 27.6 2.9 4.1 5 H 1 65 36.75 CS 16.6 11.6 9.1 37.2 27.2 27.0 4.9 3.6 5 H 3 123 40.33 CS 14.4 12.3 11.0 37.8 24.2 29.6 2.4 6.0 5 H 4 130 41.9 S* 4.4 3.2 4.9 12.5 31.9 54.8 0.4 0.3 5 H 4 140 42 S 7.2 6.1 6.1 19.4 36.3 40.2 1.6 2.5 5 H 5 30 42.4 CS* 17.7 14.6 11.8 44.1 22.5 28.5 1.2 3.6 5 H 5 37 42.47 S 8.7 5.3 7.7 21.6 30.4 45.2 1.6 1.2 5 H 6 64 44.24 CS 19.5 14.2 13.0 46.6 18.4 19.6 10.8 4.6 6 H 2 56 47.66 CS 19.7 13.3 12.1 45.0 22.9 27.1 0.6 4.3 6 H 4 82 50.92 CS 14.8 13.4 11.2 39.5 26.2 30.5 0.5 3.3 6 H 6 16 53.26 CS 17.9 8.1 12.4 38.3 25.9 30.6 0.0 5.1 7 H 1 64 55.74 S 9.9 6.9 8.6 25.4 33.2 38.9 0.0 2.5 7 H 1 26 55.36 S 4.5 1.1 5.1 10.7 33.5 53.9 0.0 1.9 7 H 3 95 59.05 CS 17.8 9.2 10.7 37.6 28.1 31.6 0.0 2.7 7 H 5 46 61.56 CS 20.1 13.8 11.7 45.5 22.3 27.3 0.0 4.9 8 H 1 53 65.13 CS 24.8 13.2 7.6 45.6 25.4 25.8 0.0 3.2 8 H 3 23 67.83 CS 19.7 10.8 11.7 42.2 26.6 26.9 0.0 4.3 8 H 5 93 71.53 CS 13.5 10.3 10.9 34.8 27.0 33.9 0.0 4.3 9 H 2 127 76.87 CS 17.3 11.9 11.6 40.7 25.3 29.3 0.0 4.7 9 H 4 82 79.42 CS 16.2 10.4 11.6 38.2 25.3 31.1 0.0 5.4 9 H 6 126 82.86 CS* 17.2 12.4 11.7 41.3 24.8 29.0 0.0 4.8 10 H 2 62 85.72 CS 20.0 14.0 11.1 45.2 20.4 29.2 0.0 5.2 10 H 4 44 88.54 CS 20.7 13.8 9.5 44.0 19.9 28.4 1.5 6.1 10 H 6 46 91.56 CS 20.4 9.7 11.4 41.5 23.7 29.8 0.0 5.0 11 H 2 65 95.25 S 2.5 0.0 3.2 5.8 32.0 61.7 0.0 0.5 11 H 3 43 96.53 CS* 19.9 9.8 10.1 39.8 28.1 29.8 0.0 2.2 11 H 4 49 98.09 CS 18.4 9.1 7.9 35.3 27.0 32.5 0.0 5.1 11 H 6 70 101.3 CS 21.4 12.8 10.2 44.4 23.8 27.5 0.0 4.3 12 H 2 56 104.7 CS 17.1 14.1 13.8 44.9 17.0 20.3 14.9 2.9 12 H 4 43 107.5 CS 20.8 13.3 8.4 42.5 20.5 29.0 0.5 7.5 13 H 1 86 113 CS 14.4 10.5 9.6 34.5 25.3 34.1 0.0 6.2 13 H 3 66 115.8 CS 19.1 14.4 13.8 47.3 21.8 25.1 1.4 4.3 13 H 5 41 118.5 CS 20.7 13.5 11.2 45.4 21.4 26.6 1.7 4.8 13 H 7 6 121.2 CS 19.3 9.5 11.6 40.5 24.0 29.3 0.5 5.7 14 X 2 106 124.2 CS 16.6 10.9 11.4 38.9 24.5 31.8 0.0 4.8 14 X 4 71 126.8 CS 18.4 13.9 13.6 45.9 21.8 27.9 0.0 4.4 14 X 6 96 130.1 CS 17.3 13.3 12.7 43.2 23.6 28.9 0.2 4.0 15 X 2 65 133.4 CS 13.2 12.7 13.2 39.1 23.7 33.5 0.0 3.7 15 X 4 96 136.7 CS 17.8 12.8 12.7 43.4 21.1 30.7 0.0 4.7 15 X 6 57 139.3 CS 20.6 12.8 9.8 43.2 18.5 18.4 11.4 8.6 16 X 2 54 142.8 CS 16.9 10.6 12.1 39.7 21.9 29.7 1.2 7.6 16 X 4 69 146 CS 18.6 11.3 12.2 42.1 22.3 30.2 0.0 5.4 16 X 6 41 148.7 CS 17.1 10.5 12.3 39.9 21.9 32.8 0.0 5.4 17 X 1 89 151.3 CS 14.5 12.1 8.7 35.3 19.5 20.0 19.5 5.7 17 X 3 45 153.9 CS 19.5 11.6 13.0 44.1 22.8 27.6 0.4 5.1 17 X 5 55 157 MCS 15.3 9.6 7.7 32.6 8.9 7.2 48.1 3.3 17 X 6 73 158.6 MCS 22.2 12.2 10.6 45.1 16.9 14.7 20.7 2.7 18 X 1 80 160.8 MCS 18.6 12.6 10.9 42.1 17.7 19.7 18.0 2.6 18 X 3 72 163.7 CS 28.8 12.7 9.1 50.6 24.0 20.9 0.2 4.2 18 X 5 67 166.7 MCS 14.9 9.5 9.9 34.3 11.5 12.8 39.6 1.9 168-1025B 1 H 1 24 0.24 CS 31.9 9.9 6.1 47.9 28.5 18.0 3.8 1.9 1 H 2 119 2.69 CS 13.6 17.5 7.2 38.3 32.2 23.4 1.7 4.3 2 H 1 70 5.7 CS 16.2 9.4 10.5 36.0 32.4 27.2 0.9 3.5 2 H 3 95 8.95 CS 15.2 11.3 11.1 37.6 29.5 27.0 3.2 2.7 2 H 5 60 11.6 CS 16.4 9.7 10.8 37.0 28.9 28.2 2.8 3.2 3 H 1 68 15.18 S 3.9 3.4 4.9 12.2 22.3 64.7 0.0 0.8 3 H 3 96 18.46 CS 18.4 15.3 9.6 43.3 26.8 17.3 8.6 4.1 3 H 5 53 21.03 CS 15.1 11.3 9.6 36.0 30.8 26.0 3.2 4.0 3 H 7 49 23.99 CS 13.7 13.1 11.6 38.5 30.1 22.2 6.2 3.1 4 H 1 97 24.97 CS 17.3 18.4 11.5 47.1 28.5 21.0 0.1 3.3 4 H 4 91 29.41 CS 15.2 13.6 10.9 39.8 31.3 18.7 5.1 5.0 4 H 5 11 30.11 CS 11.4 16.7 12.7 40.8 31.9 23.6 1.4 2.4 5 H 2 38 35.38 CS 17.3 11.5 9.9 38.6 27.5 28.3 1.6 3.9 5 H 2 60 35.6 CS* 5.5 5.9 6.1 17.5 29.5 48.1 0.3 4.6 5 H 4 10 38.1 CS 17.8 13.0 12.2 43.1 26.3 22.3 5.8 2.5 5 H 4 35 38.35 CS* 12.9 8.7 8.2 29.8 34.0 27.0 0.8 8.5 5 H 4 46 38.46 CS 16.6 10.5 10.0 37.0 27.8 26.4 2.6 6.2 6 H 1 46 43.46 S 4.4 4.2 6.0 14.7 30.1 54.5 0.1 0.6 6 H 3 92 46.92 CS 21.9 13.5 10.4 45.8 26.7 19.1 5.9 2.5 6 H 5 101 50.01 S 5.1 2.2 5.5 12.8 27.0 56.4 0.5 3.2 7 H 2 113 55.13 S 8.4 6.5 7.7 22.7 25.4 46.7 0.0 5.3 7 H 3 47 55.97 CS 22.4 12.4 8.0 42.8 29.8 23.0 0.0 4.3 7 H 4 70 57.7 CS 17.2 9.3 10.7 37.1 28.6 30.4 0.0 3.8 7 H 5 60 59.1 CS 13.9 10.0 11.7 35.5 28.8 33.0 0.0 2.7 8 H 2 17 63.67 CS 15.4 10.7 10.2 36.3 26.8 33.2 0.0 3.7 8 H 3 75 65.75 CS* 15.3 12.5 10.5 38.3 26.3 18.7 12.2 4.5 8 H 4 107 67.57 S 6.1 1.6 4.6 12.4 41.8 44.9 0.0 1.0 8 H 6 75 70.25 CS 16.1 9.6 9.0 34.7 33.5 28.7 0.0 3.1 8 H 6 103 70.53 CS* 16.1 9.5 9.1 34.8 31.5 29.9 1.0 2.9 8 H 7 34 71.34 CS 18.7 8.6 9.8 37.1 34.2 25.4 0.0 3.3 10 X 1 101 82.11 CS 20.1 11.8 7.5 39.3 30.4 21.8 5.5 3.0 10 X 3 105 85.15 CS 16.7 11.0 8.9 36.6 29.8 26.0 3.9 3.7 10 X 5 81 87.91 CS 16.7 11.4 9.7 37.8 31.6 25.8 1.2 3.6 11 X 1 54 91.24 MCS 12.7 11.4 9.7 33.8 17.5 15.9 30.2 2.7 11 X 4 54 95.74 CS 14.7 12.4 11.6 38.8 23.5 32.2 1.7 3.8 11 X CC 5 97.24 CS 23.0 11.1 11.8 46.0 22.6 25.8 2.3 3.3