Hole:
|
1204B | ||||||
---|---|---|---|---|---|---|---|
Core, section: Interval (cm):
Piece:
|
10R-3 25-27 2A |
13R-2 10-12 1 |
13R-3 32-34 1A |
14R-2 115-117 5 |
14R-3 68-70 14 |
15R-1 131-133 9 |
17R-1 89-90 13 |
Unit/Subunit:
|
2b
|
2b
|
2b
|
2c
|
2c
|
2c
|
3
|
Rock type:
|
Diabase
(massive) |
Diabase
(massive) |
Diabase
(massive) |
Aphyric
basalt (lobed) |
Aphyric
basalt (lobed) |
Aphyric
basalt (lobed) |
Aphyric
basalt (lobed) |
Depth (mbsf):
|
891.80
|
909.87
|
911.48
|
918.17
|
919.20
|
926.91
|
945.79
|
Major element oxide (wt%): | |||||||
SiO2 | 43.43 | 44.97 | 46.47 | 44.75 | 45.48 | 45.20 | 46.06 |
TiO2 | 2.14 | 2.23 | 2.28 | 2.26 | 2.06 | 2.17 | 2.52 |
Al2O3 | 15.41 | 14.62 | 14.29 | 15.73 | 15.70 | 15.33 | 14.01 |
Fe2O3 | 13.31 | 13.79 | 13.93 | 12.98 | 12.21 | 13.60 | 14.23 |
MnO | 0.20 | 0.18 | 0.17 | 0.13 | 0.11 | 0.19 | 0.17 |
MgO | 7.28 | 5.05 | 8.36 | 4.23 | 5.22 | 5.99 | 5.12 |
CaO | 10.42 | 10.83 | 7.01 | 10.07 | 10.42 | 9.29 | 10.49 |
Na2O | 3.02 | 2.85 | 3.15 | 3.13 | 3.03 | 2.90 | 2.88 |
K2O | 0.81 | 1.10 | 0.55 | 1.27 | 1.12 | 1.08 | 1.14 |
P2O5 | 0.26 | 0.29 | 0.26 | 0.78 | 0.37 | 0.33 | 0.34 |
Totals: | 96.29 | 95.92 | 96.49 | 95.33 | 95.73 | 96.06 | 96.95 |
LOI | 3.24 | 4.48 | 3.71 | 4.16 | 4.69 | 3.98 | 2.84 |
Mg# | 0.55 | 0.45 | 0.57 | 0.42 | 0.48 | 0.49 | 0.44 |
Trace element (ppm): | |||||||
Sr | 203 | 214 | 180 | 264 | 237 | 212 | 219 |
Ba | 79.0 | 74.8 | 66.1 | 90.0 | 62.1 | 79.3 | 79.6 |
Sc | 40.5 | 41.9 | 40.9 | 41.1 | 38.2 | 40.5 | 46.3 |
V | 328 | 335 | 339 | 317 | 280 | 333 | 355 |
Cr | 174 | 151 | 152 | 148 | 149 | 169 | 154 |
Co | 60.0 | 46.6 | 47.1 | 48.6 | 41.4 | 57.6 | 70.7 |
Ni | 97.1 | 56.9 | 48.3 | 48.2 | 46.4 | 138 | 64.1 |
Cu | 110 | 94.8 | 97.4 | 88.0 | 82.6 | 90.5 | 99.7 |
Zn | 111 | 120 | 90.5 | 165 | 187 | 178 | 233 |
Y | 34.3 | 39.2 | 33.4 | 39.8 | 32.7 | 35.3 | 43.7 |
Zr | 152 | 153 | 158 | 156 | 142 | 146 | 177 |