| Hole: | 1139A | 1139A | 1139A | 1139A | 1139A | 1139A | 1139A | 1139A |
|---|---|---|---|---|---|---|---|---|
| Core, section: | 65R-3 | 65R-5 | 66R-3 | 66R-7 | 67R-5 | 68R-4 | 68R-6 | 69R-2 |
| Interval (cm): | 90-93 | 81-85 | 44-47 | 8-12 | 105-108 | 42-45 | 54-57 | 1-4 |
| Piece: | 5C | 1D | 1B | 3 | 9 | 1 | 1 | 1 |
| Unit: | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Rock type: | Sparsely plagioclase-phyric trachybasalt | Aphyric trachybasalt | Aphyric trachybasalt | Aphyrictrachy basalt |
Basaltic trachyandesite |
Plagioclase-phyric basaltic trachyandesite | Aphyric basaltictrachyandesite | Plagioclase-phyric basaltic trachyandesite |
| Depth (mbsf): | 617.6 | 619.45 | 626.92 | 630.77 | 639.15 | 647.18 | 650.19 | 653.51 |
| Major element oxides (wt%): | ||||||||
| SiO2 | 46.78 | 50.37 | 49.67 | 46.78 | 52.22 | 51.77 | 52.51 | 52.76 |
| TiO2 | 4.37 | 3.82 | 3.86 | 4.23 | 2.60 | 3.84 | 3.37 | 3.03 |
| Al2O3 | 16.81 | 15.87 | 14.72 | 16.93 | 16.73 | 18.03 | 17.50 | 15.89 |
| Fe2O3 | 12.53 | 12.97 | 12.76 | 13.13 | 12.36 | 11.29 | 13.81 | 11.79 |
| MnO | 0.51 | 0.21 | 0.20 | 0.28 | 0.25 | 0.18 | 0.13 | 0.20 |
| MgO | 1.08 | 3.00 | 3.81 | 0.89 | 0.87 | 0.58 | 1.76 | 2.37 |
| CaO | 10.70 | 6.79 | 8.47 | 9.84 | 6.37 | 5.28 | 3.57 | 6.69 |
| Na2O | 3.41 | 3.72 | 3.20 | 3.65 | 4.20 | 4.14 | 3.19 | 3.69 |
| K2O | 2.51 | 2.77 | 2.44 | 2.94 | 3.85 | 4.01 | 3.75 | 3.12 |
| P2O5 | 1.12 | 1.77 | 1.67 | 1.39 | 1.13 | 1.64 | 1.55 | 1.30 |
| Total | 99.80 | 101.27 | 100.77 | 100.05 | 100.56 | 100.74 | 101.11 | 100.82 |
| Mg#* | 0.11 | 0.24 | 0.29 | 0.08 | 0.09 | 0.07 | 0.15 | 0.22 |
| LOI** | 7.86 | 1.25 | 2.40 | 8.36 | 6.22 | 3.41 | 2.44 | 2.53 |
| CO2 | 8.2 | 2.8 | 3.2 | 8.7 | 6.5 | 3.9 | 2.7 | 2.9 |
| H2O | 1.3 | 1.1 | 1.4 | 1.0 | 0.9 | 1.0 | 2.6 | 1.4 |
| Trace elements (ppm): | ||||||||
| Rb | 38 | 43 | 35 | 35 | 50 | 57 | 59 | 50 |
| Ba | 846 | 1061 | 939 | 1150 | 2286 | 1092 | 997 | 1015 |
| Sr | 474 | 499 | 467 | 461 | 488 | 481 | 326 | 460 |
| Nb | 38 | 44 | 39 | 39 | 44 | 49 | 52 | 46 |
| Zr | 292 | 345 | 295 | 256 | 354 | 343 | 420 | 387 |
| Y | 43 | 50 | 46 | 40 | 46 | 42 | 51 | 46 |
| V | 424 | 254 | 274 | 326 | 95 | 275 | 175 | 175 |
| Cr | 28 | 10 | 7 | 13 | 6 | 25 | 18 | 23 |
| Ni | 13 | 7 | 4 | 7 | 3 | 2 | 3 | 3 |
| Cu | ||||||||
| Zn | 148 | 140 | 137 | 319 | 131 | 149 | 142 | 133 |
| Normative mineralogy: | ||||||||
| Q | 1.0 | 1.4 | 1.5 | 8.5 | 2.6 | |||
| Or | 15.0 | 16.3 | 14.4 | 17.5 | 22.8 | 23.7 | 22.1 | 18.4 |
| Ab | 23.3 | 31.2 | 27.1 | 23.3 | 35.4 | 35.1 | 27.4 | 31.2 |
| An | 23.4 | 18.5 | 18.7 | 21.5 | 15.7 | 15.6 | 7.6 | 17.6 |
| Corundum | 1.2 | 5.3 | ||||||
| Nepheline | 3.2 | 4.2 | ||||||
| Leucite | ||||||||
| Acmite | ||||||||
| Na Metasilicate | ||||||||
| Wo (Di) | 9.6 | 1.5 | 5.2 | 7.8 | 3.6 | 3.0 | ||
| En (Di) | 2.5 | 0.7 | 2.7 | 1.6 | 0.7 | 1.2 | ||
| Fs (Di | 7.6 | 0.8 | 2.5 | 6.7 | 3.2 | 1.8 | ||
| En (Hy) | 6.8 | 6.8 | 0.5 | 1.4 | 4.4 | 4.7 | ||
| Fs (Hy) | 8.2 | 6.3 | 2.2 | 7.1 | 10.7 | 7.2 | ||
| Ol (Fo) | 0.2 | 0.4 | 0.7 | |||||
| Ol (Fa) | 0.5 | 1.6 | 3.9 | |||||
| Ilmenite | 8.4 | 7.2 | 7.4 | 8.1 | 5.0 | 7.3 | 6.4 | 5.8 |
| Magnetite | 3.7 | 3.7 | 3.7 | 3.9 | 3.6 | 3.3 | 4.0 | 3.4 |
| Apatite | 2.5 | 3.9 | 3.6 | 3.1 | 2.5 | 3.6 | 3.4 | 2.8 |
| Total: | 99.8 | 99.7 | 99.7 | 99.8 | 99.8 | 99.7 | 99.7 | 99.8 |