Initial Reports Volume 187 Chapter 6, Table T3. Glass and whole-rock major and trace element compositions of basalts, Site 1155. Notes: LOI = loss on ignition; ND = none detected. Hole 1155A Hole 1155B Core, section: 2R-1 2R-1 2R-1 2R-1 7R-1 7R-1 7R-1 7R-1 7R-1 5R-1 5R-1 2R-1 2R-1 2R-1 2R-1 2R-1 2R-1 2R-1 2R-1 2R-1 4R-2 4R-2 4R-2 4R-2 4R-2 6R-1 6R-1 6R-1 6R-1 6R-1 7R-1 7R-1 7R-1 7R-1 7R-1 9R-2 9R-2 9R-2 9R-2 9R-2 Interval (cm): 29-32 29-32 29-32 29-32 16-19 16-19 16-19 16-19 16-19 20-23 20-23 65-67 65-67 125-129 125-129 125-129 125-129 125-129 125-129 125-129 22-26 22-26 22-26 22-26 22-26 40-44 40-44 40-44 40-44 40-44 62-65 62-65 62-65 62-65 62-65 63-67 63-67 63-67 63-67 63-67 Depth (mbsf): 177.59 177.59 177.59 177.59 198.66 198.66 198.66 198.66 198.66 189.1 189.1 148.55 148.55 149.15 149.15 149.15 149.15 149.15 149.15 149.15 157.12 157.12 157.12 157.12 157.12 165.5 165.5 165.5 165.5 165.5 170.32 170.32 170.32 170.32 170.32 181.53 181.53 181.53 181.53 181.53 Piece: 7 7 7 7 3 3 3 3 3 4 4 7 7 15 15 15 15 15 15 15 5 5 5 5 5 4A 4A 4A 4A 4A 8B 8B 8B 8B 8B 8 8 8 8 8 Unit: 1 1 1 1 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Analysis: XRF XRF ICP ICP XRF XRF ICP ICP ICP ICP ICP ICP ICP XRF XRF ICP ICP ICP ICP ICP XRF XRF ICP ICP ICP XRF XRF ICP ICP ICP XRF XRF ICP ICP ICP XRF XRF ICP ICP ICP Rock type: Sparsely to moderately plagioclase-olivine phyric basalt Aphyric to sparsely olivine phyric basalt Glass Glass Glass Glass Moderately plagioclase-olivine phyric basalt Plagioclase Plagioclase Moderately plagioclase-olivine phyric basalt Moderately plagioclase-olivine phyric basalt Moderately plagioclase-olivine phyric basalt Moderately plagioclase-olivine phyric basalt Major element (wt%) SiO2 48.37 48.33 51.15 51.46 49.12 48.40 49.09 49.49 50.56 51.96 52.86 51.51 52.86 46.97 47.06 45.85 47.62 47.79 49.62 50.80 48.11 47.13 49.56 48.54 50.18 47.55 48.19 48.89 48.82 49.55 48.04 47.30 48.73 47.86 49.62 47.87 46.95 47.02 48.22 50.38 TiO2 1.59 1.66 1.64 1.63 1.16 1.18 1.16 1.18 1.19 1.69 1.73 1.15 1.17 1.14 1.18 1.16 1.18 1.18 0.12 0.12 1.05 1.02 1.06 1.05 1.06 1.09 1.11 1.07 1.08 1.07 1.02 1.03 1.04 1.03 1.04 1.03 1.01 0.98 1.00 1.02 Al2O3 16.03 16.06 16.00 16.00 16.48 16.25 16.67 16.69 16.83 14.88 15.16 15.49 16.17 19.54 19.57 19.33 19.39 19.40 28.52 29.06 17.29 16.85 16.48 16.99 17.40 17.01 17.12 17.34 17.09 17.25 17.37 17.12 17.16 17.42 17.50 17.12 16.94 16.94 17.41 17.26 Fe2O3 9.02 9.08 9.09 9.14 9.28 9.12 9.07 9.18 9.27 11.05 10.45 10.05 9.79 9.90 9.97 9.79 9.90 9.86 1.37 1.40 8.78 8.92 8.83 8.79 8.71 9.03 9.14 9.04 9.16 9.13 8.86 8.65 8.73 8.80 8.83 8.80 8.64 8.35 8.57 8.80 MnO 0.14 0.15 0.15 0.15 0.14 0.14 0.14 0.15 0.15 0.18 0.18 0.17 0.17 0.13 0.14 0.14 0.14 0.14 0.05 0.05 0.15 0.14 0.16 0.15 0.15 0.16 0.16 0.15 0.15 0.16 0.14 0.15 0.15 0.15 0.15 0.14 0.14 0.14 0.15 0.15 MgO 6.89 6.88 7.16 7.08 7.23 7.12 7.30 7.32 7.47 8.01 7.67 9.37 9.07 2.97 2.97 3.21 3.21 3.22 0.98 1.02 7.98 7.82 8.16 8.14 8.18 8.05 8.20 8.09 8.32 8.37 8.51 8.40 8.58 8.56 8.67 8.39 8.11 8.35 8.49 8.53 CaO 11.56 11.58 11.61 11.64 11.80 11.57 11.64 11.83 12.04 10.81 11.04 11.20 11.69 12.90 12.90 12.79 12.88 12.88 16.18 16.23 11.78 11.50 11.82 11.87 11.91 11.65 11.76 11.99 11.74 11.93 11.99 11.8 11.99 11.96 12.23 11.81 11.65 11.66 11.86 12.08 Na2O 2.84 2.83 2.78 3.00 2.68 2.55 2.68 2.90 2.83 3.15 3.25 2.69 3.00 2.88 2.83 2.81 2.95 2.99 2.70 2.91 2.5 2.47 2.68 2.55 2.68 2.39 2.51 2.63 2.59 2.59 2.45 2.35 2.60 2.56 2.59 2.39 2.36 2.28 2.56 2.53 K2O 0.30 0.30 0.27 0.29 0.23 0.18 0.25 0.24 0.26 0.25 0.26 0.12 0.12 0.26 0.27 0.29 0.30 0.31 0.10 0.09 0.23 0.22 0.24 0.24 0.25 0.22 0.24 0.24 0.23 0.24 0.18 0.18 0.19 0.19 0.20 0.23 0.22 0.25 0.24 0.24 P2O5 0.20 0.20 0.22 0.22 0.12 0.17 0.14 0.14 0.14 0.22 0.23 0.12 0.13 0.18 0.18 0.19 0.20 0.20 0.03 0.03 0.10 0.09 0.11 0.11 0.11 0.10 0.10 0.12 0.12 0.12 0.10 0.10 0.11 0.12 0.12 0.09 0.09 0.12 0.11 0.11 LOI 1.18 1.18 1.64 1.64 1.42 1.42 1.13 1.13 1.02 1.02 0.65 0.65 0.54 0.54 CO2 H2O Total: 98.12 98.25 100.07 100.62 99.88 98.32 98.13 99.13 100.74 102.20 102.81 101.85 104.16 98.29 98.49 95.58 97.76 97.96 99.68 101.72 99.10 97.29 99.09 98.43 100.62 98.27 99.55 99.55 99.30 100.40 99.31 97.73 99.28 98.64 100.94 98.41 96.65 96.10 98.62 101.10 Trace element (ppm) Nb 8 7 5 5 6 4 5 Zr 148 143 147 91 86 85 88 149 152 82 84 85 80 82 82 7 7 78 71 73 72 80 74 73 76 77 70 73 70 78 70 71 70 Y 39 39 40 27 26 26 27 41 42 29 29 30 31 31 31 ND ND 26 26 26 25 27 26 26 27 26 26 25 27 26 26 25 27 Sr 141 135 140 162 159 160 164 122 131 109 119 141 139 142 143 210 215 127 125 127 126 126 123 123 125 128 126 125 126 127 121 123 126 Rb 4 3 4 4 4 2 4 Zn 86 75 85 67 69 64 65 Cu 61 71 76 69 70 69 70 Ni 142 118 120 149 129 130 130 99 97 135 135 118 103 108 103 38 35 175 153 151 156 174 152 154 156 177 161 153 161 184 157 159 164 Cr 295 300 290 429 369 376 380 301 298 403 380 446 343 353 356 45 47 383 349 324 331 412 357 343 353 384 358 336 344 401 312 325 348 V 262 245 273 220 238 222 232 Ce 40 24 24 21 18 19 21 Ba 11 11 10 11 11 12 13 7 7 8 8 8 4 4 5 5 6 87 6 6 6 85 8 8 8 84 9 10 10 Sc 35 35 35 35 36 37 36 37 37 38 38 38 11 11 33 33 33 35 34 34 33 32 33 33 33 33 Hole 1155B Core, section: 4R-2 4R-2 4R-2 4R-2 4R-2 6R-1 6R-1 6R-1 6R-1 6R-1 7R-1 7R-1 7R-1 7R-1 7R-1 9R-2 9R-2 9R-2 9R-2 9R-2 Interval (cm): 22-26 22-26 22-26 22-26 22-26 40-44 40-44 40-44 40-44 40-44 62-65 62-65 62-65 62-65 62-65 63-67 63-67 63-67 63-67 63-67 Depth (mbsf): 157.12 157.12 157.12 157.12 157.12 165.5 165.5 165.5 165.5 165.5 170.32 170.32 170.32 170.32 170.32 181.53 181.53 181.53 181.53 181.53 Piece: 5 5 5 5 5 4A 4A 4A 4A 4A 8B 8B 8B 8B 8B 8 8 8 8 8 Unit: 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Analysis: XRF XRF ICP ICP ICP XRF XRF ICP ICP ICP XRF XRF ICP ICP ICP XRF XRF ICP ICP ICP Rock type: Moderately plagioclase-olivine phyric basalt Moderately plagioclase-olivine phyric basalt Moderately plagioclase-olivine phyric basalt Moderately plagioclase-olivine phyric basalt Major element (wt%) SiO2 48.11 47.13 49.56 48.54 50.18 47.55 48.19 48.89 48.82 49.55 48.04 47.3 48.73 47.86 49.62 47.87 46.95 47.02 48.22 50.38 TiO2 1.05 1.02 1.06 1.05 1.06 1.09 1.11 1.07 1.08 1.07 1.02 1.03 1.04 1.03 1.04 1.03 1.01 0.98 1 1.02 Al2O3 17.29 16.85 16.48 16.99 17.4 17.01 17.12 17.34 17.09 17.25 17.37 17.12 17.16 17.42 17.5 17.12 16.94 16.94 17.41 17.26 Fe2O3 8.78 8.92 8.83 8.79 8.71 9.03 9.14 9.04 9.16 9.13 8.86 8.65 8.73 8.8 8.83 8.8 8.64 8.35 8.57 8.8 MnO 0.15 0.14 0.16 0.15 0.15 0.16 0.16 0.15 0.15 0.16 0.14 0.15 0.15 0.15 0.15 0.14 0.14 0.14 0.15 0.15 MgO 7.98 7.82 8.16 8.14 8.18 8.05 8.2 8.09 8.32 8.37 8.51 8.4 8.58 8.56 8.67 8.39 8.11 8.35 8.49 8.53 CaO 11.78 11.5 11.82 11.87 11.91 11.65 11.76 11.99 11.74 11.93 11.99 11.8 11.99 11.96 12.23 11.81 11.65 11.66 11.86 12.08 Na2O 2.5 2.47 2.68 2.55 2.68 2.39 2.51 2.63 2.59 2.59 2.45 2.35 2.6 2.56 2.59 2.39 2.36 2.28 2.56 2.53 K2O 0.23 0.22 0.24 0.24 0.25 0.22 0.24 0.24 0.23 0.24 0.18 0.18 0.19 0.19 0.2 0.23 0.22 0.25 0.24 0.24 P2O5 0.1 0.09 0.11 0.11 0.11 0.1 0.1 0.12 0.12 0.12 0.1 0.1 0.11 0.12 0.12 0.09 0.09 0.12 0.11 0.11 LOI 1.13 1.13 1.02 1.02 0.65 0.65 0.54 0.54 CO2 H2O Total: 99.1 97.29 99.09 98.43 100.62 98.27 99.55 99.55 99.3 100.4 99.31 97.73 99.28 98.64 100.94 98.41 96.65 96.1 98.62 101.1 Trace element (ppm) Nb 5 6 4 5 Zr 78 71 73 72 80 74 73 76 77 70 73 70 78 70 71 70 Y 26 26 26 25 27 26 26 27 26 26 25 27 26 26 25 27 Sr 127 125 127 126 126 123 123 125 128 126 125 126 127 121 123 126 Rb 4 4 2 4 Zn 67 69 64 65 Cu 69 70 69 70 Ni 175 153 151 156 174 152 154 156 177 161 153 161 184 157 159 164 Cr 383 349 324 331 412 357 343 353 384 358 336 344 401 312 325 348 V 220 238 222 232 Ce 21 18 19 21 Ba 5 5 6 87 6 6 6 85 8 8 8 84 9 10 10 Sc 33 33 33 35 34 34 33 32 33 33 33 33