Table T7. Shipboard geochemical analysis, Hole U1383C.
336-U1383C- | |||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Core, section: | 2R-2 | 3R-1 | 3R-2 | 3R-3 | 5R-1 | 6R-1 | 7R-2 | 7R-2 | 9R-3 | 9R-4 | 10R-1 | 10R-2 | 13R-1 | 16R-1 | 16R-1 | 19R-1 | 20R-1 | 23R-1 | 25R-1 | 27R-1 | 28R-1 | 29R-1 | 31R-2 | 31R-2 | 32R-2 |
Top depth (mbsf): | 71.08 | 76.63 | 78.36 | 79.87 | 96.14 | 106.40 | 116.85 | 117.39 | 138.01 | 139.43 | 144.23 | 145.34 | 172.94 | 192.91 | 193.39 | 211.90 | 219.67 | 247.57 | 266.87 | 285.93 | 295.00 | 299.80 | 313.55 | 313.89 | 323.68 |
Bottom depth (mbsf): | 71.11 | 76.66 | 78.39 | 79.90 | 96.17 | 106.44 | 116.88 | 117.41 | 138.04 | 139.45 | 144.26 | 145.37 | 172.96 | 192.94 | 193.41 | 211.92 | 219.70 | 247.61 | 266.93 | 285.96 | 295.02 | 299.82 | 313.58 | 313.91 | 323.70 |
Major element oxide (wt%): | |||||||||||||||||||||||||
SiO2 | 47.64 | 46.90 | 49.76 | 47.61 | 49.78 | 47.72 | 49.40 | 46.63 | 48.13 | 49.84 | 48.12 | 50.12 | 50.19 | 49.57 | 49.05 | 48.99 | 49.00 | 49.11 | 49.03 | 49.44 | 50.02 | 48.11 | 49.51 | 48.57 | 49.13 |
TiO2 | 1.97 | 2.02 | 1.71 | 1.94 | 1.70 | 1.97 | 1.74 | 2.15 | 1.72 | 1.50 | 1.69 | 1.51 | 1.78 | 1.76 | 1.76 | 1.74 | 1.79 | 1.69 | 1.73 | 1.71 | 1.69 | 1.81 | 1.70 | 1.82 | 1.70 |
Al2O3 | 17.96 | 18.21 | 15.51 | 17.56 | 15.38 | 17.65 | 16.00 | 19.18 | 18.51 | 16.60 | 18.17 | 16.20 | 15.49 | 15.08 | 15.35 | 15.24 | 16.10 | 15.01 | 15.21 | 15.03 | 14.94 | 15.87 | 14.92 | 16.29 | 14.96 |
Fe2O3T | 12.57 | 13.02 | 10.67 | 12.26 | 10.86 | 12.64 | 11.00 | 13.83 | 11.38 | 9.78 | 11.12 | 9.92 | 10.95 | 11.37 | 11.92 | 12.08 | 12.46 | 11.84 | 12.13 | 11.54 | 11.28 | 12.32 | 11.66 | 12.53 | 12.34 |
MgO | 4.01 | 3.34 | 7.72 | 3.91 | 7.74 | 4.24 | 6.92 | 3.31 | 3.85 | 7.43 | 4.88 | 7.59 | 7.07 | 8.29 | 7.92 | 7.80 | 6.03 | 8.60 | 7.65 | 8.32 | 8.25 | 6.51 | 8.43 | 5.42 | 7.94 |
CaO | 12.02 | 12.83 | 11.22 | 12.99 | 11.21 | 12.18 | 11.44 | 10.90 | 12.65 | 11.61 | 12.57 | 11.46 | 10.90 | 10.63 | 10.73 | 10.76 | 10.91 | 10.45 | 10.62 | 10.51 | 10.43 | 11.72 | 10.39 | 11.54 | 10.54 |
Na2O | 3.36 | 3.21 | 3.01 | 3.29 | 2.89 | 3.19 | 3.01 | 3.51 | 3.31 | 2.91 | 3.11 | 2.90 | 3.17 | 2.92 | 2.98 | 3.00 | 3.24 | 2.85 | 3.17 | 3.04 | 3.06 | 3.24 | 2.99 | 3.36 | 2.94 |
K2O | 0.15 | 0.13 | 0.25 | 0.19 | 0.25 | 0.13 | 0.30 | 0.14 | 0.21 | 0.19 | 0.13 | 0.14 | 0.29 | 0.23 | 0.14 | 0.24 | 0.30 | 0.29 | 0.31 | 0.24 | 0.17 | 0.25 | 0.25 | 0.28 | 0.29 |
P2O5 | 0.32 | 0.34 | 0.16 | 0.25 | 0.17 | 0.27 | 0.18 | 0.34 | 0.24 | 0.14 | 0.22 | 0.15 | 0.16 | 0.17 | 0.16 | 0.15 | 0.18 | 0.15 | 0.16 | 0.15 | 0.15 | 0.18 | 0.15 | 0.19 | 0.16 |
Trace element (ppm): | |||||||||||||||||||||||||
Ba | 16.22 | 12.65 | 6.6 | 14.1 | 6.9 | 12.62 | 6.9 | 24.30 | 13.17 | 5.7 | 13.30 | 5.4 | 3.9 | 3.77 | 5.60 | 4.98 | 7.09 | 3.95 | 5.12 | 4.65 | 2.51 | 7.52 | 2.89 | 9.84 | 3.41 |
Co | 61.0 | 102.2 | 69.5 | 105.5 | 81.7 | 62.4 | 62.6 | 67.3 | 50.8 | 58.5 | 56.4 | 49.5 | 53.5 | 73.7 | 58.3 | 54.6 | 53.9 | 58.7 | 52.4 | 51.8 | 53.3 | 61.9 | 56.3 | 53.9 | 65.5 |
Cr | 311 | 326 | 281 | 313 | 282 | 313 | 279 | 295 | 279 | 249 | 273 | 260 | 308 | 306 | 301 | 290 | 295 | 290 | 291 | 292 | 287 | 300 | 290 | 295 | 294 |
Cu | 74.2 | 54.2 | 69.6 | 65.5 | 70.7 | 64.7 | 68.0 | 81.7 | 77.6 | 69.9 | 69.2 | 78.1 | 75.8 | 74.4 | 73.7 | 72.5 | 73.1 | 74.5 | 73.0 | 74.4 | 73.9 | 69.0 | 72.4 | 74.2 | 73.8 |
Ni | 106 | 71 | 117 | 106 | 120 | 102 | 109 | 126 | 79 | 91 | 84 | 94 | 167 | 190 | 164.6 | 161.2 | 167 | 176 | 157.0 | 177 | 181 | 164 | 173 | 167 | 164 |
Sc | 46.8 | 49.0 | 40.0 | 45.6 | 39.4 | 46.3 | 39.7 | 47.8 | 42.5 | 37.0 | 41.6 | 37.0 | 38.8 | 38.9 | 38.9 | 37.4 | 39.9 | 37.0 | 37.5 | 37.1 | 36.7 | 39.6 | 36.7 | 40.3 | 37.9 |
Sr | 197 | 195 | 169 | 186 | 158 | 194 | 160 | 219 | 189 | 161 | 190 | 156 | 156 | 151 | 154 | 158 | 151 | 142 | 149 | 150 | 148 | 163 | 143 | 166 | 149 |
V | 363 | 403 | 304 | 363 | 302 | 364 | 304 | 329 | 331 | 266 | 321 | 265 | 284 | 283 | 286 | 273 | 296 | 268 | 271 | 264 | 263 | 301 | 261 | 319 | 270 |
Y | 42.4 | 47.0 | 36.7 | 42.9 | 36.8 | 43.8 | 37.2 | 42.6 | 37.9 | 32.7 | 37.5 | 32.7 | 37.5 | 37.8 | 38.3 | 36.2 | 38.0 | 35.2 | 36.3 | 35.7 | 35.2 | 38.7 | 35.8 | 39.8 | 36.2 |
Zr | 137.5 | 133.9 | 121 | 138 | 120 | 139 | 119 | 152 | 118 | 105 | 114 | 104 | 114.5 | 113.0 | 111 | 108.0 | 112 | 107 | 107 | 106.1 | 106.7 | 109.6 | 105.8 | 109.5 | 105.9 |
Volatile element (wt%): | |||||||||||||||||||||||||
LOI | 2.09 | 2.29 | 1.23 | 2.16 | 0.44 | 1.87 | 1.32 | 3.44 | 1.53 | 0.72 | 3.08 | 2.42 | 3.66 | 2.29 | 2.11 | 0.40 | 1.62 | 0.20 | 0.47 | 0.05 | 0.95 | 2.28 | 0.52 | 2.28 | 1.32 |
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