Initial Reports, Volume 209 Ms 209IR-103 Chapter 3, Table T5. Major and trace element compositions of rocks, Hole 1268A. Note: LOI = loss on ignition. Core, section, interval (cm) Depth (mbsf) Piece Unit Major element oxides (wt%): SiO2 TiO2 Al2O3 Fe2O3 MgO MnO CaO Na2O K2O Total LOI Volatiles (wt%): CO2 H2O Trace elements (ppm): S Cr Ni Sr V Y Zr Sc Co 209-1268A- 2R-2, 41-44 15.81 4C I 48.83 <0.01 0.66 8.85 42.53 0.06 0 0.09 0.01 101.04 11.8 <0.04 12.71 1,168 2,451 2,869 <5 29 <2 <2 9.1 82 2R-2, 73-76 16.13 8 I 49.1 <0.01 0.57 6.84 43.81 0.08 <0.06 0.07 0.01 100.48 13.1 <0.04 13.55 15,899 3,379 2,816 <5 23 <2 <2 5.7 93 2R-3, 11-13 16.94 4 I 63.71 <0.01 0.14 3.69 30.53 0.02 <0.06 0.06 <0.01 98.16 4.84 <0.04 5.17 6,285 1,127 1,923 <5 11 <2 <2 <4.0 50 3R-2, 107-111 22.7 20A I 50.21 <0.01 0.64 7.39 40.04 0.07 <0.06 0.08 0.01 98.45 12 <0.04 12.57 9,028 2,473 2,641 <5 26 <2 <2 8 73 4R-1, 122-127 26.02 20A I 50 <0.01 0.59 7.96 41.51 0.07 <0.06 0.08 0.01 100.23 11.9 <0.04 12.66 9,392 2,248 2,787 <5 23 2 5 <4.0 78 5R-2, 60-63 31.9 14 I 66.03 <0.01 0.41 5.51 29.86 0.06 <0.06 0.1 0.01 101.98 4.7 <0.04 5.36 1,094 1,998 1,878 <5 14 <2 <2 4.9 51 6R-1, 109-112 35.49 15 I 49.34 <0.01 0.55 7 44.59 0.04 0.06 0.07 0.01 101.66 12.33 0.15 13.68 6,366 2,180 2,276 <5 24 <2 3 6.5 103 10R-2, 5-7 55.09 1 I 65.8 <0.01 0.09 5.41 31.36 0.07 <0.06 0.02 <0.01 102.78 4.55 0.03 5.29 4,443 834 1,930 <5 11 <2 <2 <4.0 86 10R-2, 82-85 55.86 14 I 61.85 <0.01 0.3 5.92 31.22 0.1 0.07 0.08 0.01 99.54 5.25 0.03 5.69 3,453 1,190 1,758 <5 18 <2 2 4.3 78 12R-1, 50-52 63.7 3 II 47.15 0.01 0.71 8.27 43.44 0.1 <0.06 0.08 0.01 99.81 12.44 0.06 13.45 8,476 2,861 2,570 <5 33 <2 3 7.3 119 13R-1, 33-37 68.53 6A II 47.41 0.22 2.32 8.6 40.98 0.17 0.12 0.12 0.02 99.95 12.31 0.06 12.81 4,448 3,849 2,357 <5 43 9 50 9.2 112 13R-1, 71-76 68.91 6B II 48.12 <0.01 0.61 7.59 43.69 0.07 <0.06 0.08 0.01 100.2 12.35 0.05 12.83 1,735 2,320 2,477 <5 26 <2 3 7.5 115 14R-2, 130-133 75.59 16 II 59.6 0.01 0.7 8.15 31.69 0.07 0.11 0.22 0.01 100.56 6.27 0.07 7.07 8,232 2,025 2,207 <5 24 <2 8 6.4 93 15R-3, 132-135 81.72 5 III 48.94 0.01 0.83 6.66 44.21 0.12 0.08 0.07 0.01 100.93 13.32 0.19 15.15 1,377 2,775 2,542 <5 29 <2 4 7.9 101 16R-1, 36-42 82.76 3B III 47.44 <0.01 0.83 7.73 43.24 0.14 0.19 0.07 0.01 99.66 12.75 0.14 14.64 5,434 3,281 2,246 <5 31 <2 3 8 91 16R-2, 36-40 83.97 1 III 48.45 0.07 1.17 7.64 39.96 0.22 0.45 0.08 0.01 98.04 11.89 0.13 13.24 2,585 2,108 2,378 <5 38 <2 6 7.8 95 16R-4, 9-13 86.7 1 III 51.35 0.24 17.9 5.88 11.88 0.36 7.85 3.24 0.06 98.76 3.89 0.11 4.31 <41 <165 145 161 6 9 39.3 40 18R-2, 118-121 94.46 11A III 44.14 <0.01 0.13 8.34 44.85 0.06 <0.06 0.08 0.01 97.63 12.82 0.2 13.83 1,420 893 3,499 <5 14 <2 4 4.9 135 18R-3, 0-5 94.59 1A III 43.93 <0.01 0.15 9.3 44.17 0.06 <0.06 0.08 <0.01 97.71 12.72 0.1 14.11 1,482 1,136 3,286 <5 16 <2 5 5 128 19R-1, 54-57 97.54 2B III 44.81 0.01 0.47 8.5 44.36 0.08 0.07 0.06 0.01 98.35 12.75 0.12 14.15 1,307 1,926 2,666 <5 24 <2 4 7.2 120 19R-3, 0-6 99.82 1 III 44.75 <0.01 0.64 9.25 41.99 0.1 0.07 0.09 0.01 96.9 12.58 0.09 13.87 4,048 2,720 2,364 <5 27 <2 3 7.5 94 21R-1, 31-35 106.91 3 IVA 50.12 0.29 19.01 8.54 20.78 0.08 1.99 0.83 0.04 101.68 8.8 0.11 11.13 <400 <41 <165 51 201 6 5 45.7 40 21R-2, 21-24 108.31 5 IVA 42.56 0.37 23.74 9.24 22.31 0.18 2.28 2.02 0.07 102.78 9.7 0.07 13.1 <400 <41 <165 66 251 8 10 58.4 47 23R-1, 53-57 116.73 4C IVA 51.12 0.25 18.18 6.52 10.52 0.15 13.42 2.31 0.04 102.52 2.62 0.09 3.15 <400 <41 <165 128 177 7 9 43.9 36 26R-2, 16-22 132.1 2 IVC 51.22 0.24 18.39 6.28 10.62 0.16 13.37 2.14 0.04 102.46 2.38 0.09 2.81 <400 <41 <165 121 166 5 6 40.2 37 28R-2, 28-32 141.7 1B IVC 50.61 0.33 18.26 7.57 11.41 0.17 11.28 2.24 0.07 101.93 2.9 0.1 3.64 <400 <41 <165 120 158 8 24 33.5 41 29R-1, 115-120 146.25 14 IVC 49.93 0.25 18.29 7.33 12.71 0.16 11.24 2.07 0.09 102.07 3.13 0.08 4.08 <400 <41 <165 115 161 6 7 38.5 42