|
Core, section: Interval (cm):
Piece:
|
59R-2 99-101 2B |
59R-5 30-32 5 |
63R-3 134-137 24A |
65R-4 24-25 3 |
66R-3 11-14 1C |
68R-3 16-18 4 |
|---|---|---|---|---|---|---|
Unit:
|
24
|
26
|
26
|
29
|
30
|
30
|
Rock type:
|
Aphyric
basalt |
Aphyric
basalt |
Aphyric
basalt |
Aphyric
basalt |
Plagioclase-
phyric basalt |
Plagioclase-
phyric basalt |
Depth (mbsf):
|
820.85
|
824.40
|
861.30
|
880.18
|
888.87
|
908.16
|
| Major element oxide (wt%): | ||||||
| SiO2 | 48.2 | 45.2 | 46.3 | 45.8 | 42.7 | 46.2 |
| TiO2 | 1.63 | 3.28 | 2.71 | 3.40 | 3.02 | 2.98 |
| Al2O3 | 15.5 | 14.4 | 14.4 | 14.5 | 13.1 | 13.7 |
| Fe2O3 | 11.0 | 13.3 | 11.3 | 12.8 | 15.0 | 11.5 |
| MnO | 0.15 | 0.19 | 0.20 | 0.18 | 0.14 | 0.23 |
| MgO | 7.66 | 7.30 | 9.89 | 6.40 | 7.04 | 6.73 |
| CaO | 11.3 | 7.64 | 6.01 | 8.10 | 7.91 | 9.29 |
| Na2O | 2.65 | 3.07 | 3.44 | 2.94 | 2.69 | 2.71 |
| K2O | 0.11 | 1.04 | 0.50 | 1.34 | 1.83 | 1.61 |
| P2O5 | 0.20 | 0.72 | 0.51 | 0.57 | 0.63 | 0.48 |
| Totals: | 98.41 | 96.14 | 95.26 | 95.98 | 94.03 | 95.48 |
| LOI | 1.82 | 3.91 | 5.21 | 3.97 | 6.73 | 3.99 |
| Mg # | 0.61 | 0.55 | 0.66 | 0.52 | 0.51 | 0.56 |
| Trace element (ppm): | ||||||
| Sr | 229 | 211 | 223 | 253 | 225 | 249 |
| Ba | 38.3 | 49.0 | 64.4 | 63.3 | 60.7 | 61.8 |
| Sc | 38.7 | 39.8 | 33.1 | 41.4 | 37.0 | 36.9 |
| V | 289 | 389 | 324 | 379 | 411 | 404 |
| Cr | 291 | 154 | 171 | 177 | 156 | 161 |
| Co | 44.5 | 63.1 | 54.4 | 60.1 | 45.4 | 66.5 |
| Ni | 117 | 119 | 128 | 75.8 | 51.9 | 118 |
| Cu | 122 | 59.7 | 55.7 | 28.2 | 14.3 | 142 |
| Zn | 82.7 | 153 | 93.0 | 129 | 103 | 111 |
| Y | 27.9 | 63.8 | 42.4 | 46.0 | 47.2 | 44.7 |
| Zr | 109 | 310 | 257 | 227 | 206 | 199 |