Table T3. Glass and whole-rock major and trace element compositions of basalts, Site 1163.
Hole 1163A | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Core, section: | 1W-CC | 1W-CC | 1W-CC | 1W-CC | 2R-2 | 2R-2 | 3R-2 | 3R-2 | 8R-1 | 8R-1 | 10R-1 | 10R-1 |
Interval (cm): | 19-21 | 19-21 | 19-21 | 19-21 | 67-70 | 67-70 | 0-4 | 0-4 | 41-43 | 41-43 | 116-120 | 116-120 |
Depth (mbsf): | 2.07 | 2.07 | 2.07 | 2.07 | 163.17 | 163.17 | 166.85 | 166.85 | 190.31 | 190.31 | 200.26 | 200.26 |
Piece: | 1 | 1 | 1 | 1 | 10b | 10b | 1 | 1 | 6 | 6 | 13 | 13 |
Unit: | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 |
Analysis: | ICP | ICP | ICP | ICP | XRF | XRF | XRF | XRF | ICP | ICP | XRF | XRF |
Rock type: | Glass | Glass | Glass | Glass | Moderately plagioclase-olivine phyric basalt | Aphyric basalt | Glass | Glass | Aphyric basalt | |||
Major element (wt%) | ||||||||||||
SiO2 | 51.07 | 50.14 | 52.30 | 52.01 | 49.28 | 49.34 | 48.78 | 49.37 | 51.07 | 50.14 | 48.75 | 49.93 |
TiO2 | 1.12 | 1.05 | 1.10 | 1.07 | 0.90 | 0.93 | 1.29 | 1.31 | 1.12 | 1.05 | 1.31 | 1.35 |
Al2O3 | 16.33 | 16.10 | 16.76 | 16.15 | 15.86 | 15.93 | 15.34 | 15.59 | 16.33 | 16.10 | 14.96 | 15.38 |
Fe2O3 | 9.32 | 8.90 | 8.95 | 8.96 | 7.78 | 7.77 | 9.03 | 9.22 | 9.32 | 8.90 | 9.03 | 9.39 |
MnO | 0.17 | 0.15 | 0.15 | 0.15 | 0.12 | 0.12 | 0.14 | 0.14 | 0.17 | 0.15 | 0.13 | 0.14 |
MgO | 9.05 | 8.45 | 8.73 | 8.59 | 8.22 | 8.24 | 7.80 | 7.87 | 9.05 | 8.45 | 7.68 | 7.91 |
CaO | 12.71 | 12.21 | 12.48 | 12.28 | 12.79 | 12.76 | 11.13 | 11.29 | 12.71 | 12.21 | 11.01 | 11.24 |
Na2O | 2.58 | 2.57 | 2.53 | 2.67 | 2.52 | 2.56 | 2.72 | 2.83 | 2.58 | 2.57 | 2.70 | 2.79 |
K2O | 0.08 | 0.07 | 0.08 | 0.08 | 0.17 | 0.17 | 0.23 | 0.24 | 0.08 | 0.07 | 0.26 | 0.26 |
P2O5 | 0.11 | 0.10 | 0.10 | 0.11 | 0.08 | 0.08 | 0.16 | 0.17 | 0.11 | 0.10 | 0.16 | 0.17 |
LOI | 0.64 | 0.64 | 1.24 | 1.24 | 0.79 | 0.79 | ||||||
CO2 | ||||||||||||
H2O | ||||||||||||
Total: | 102.52 | 99.73 | 103.19 | 102.06 | 97.72 | 97.90 | 96.62 | 98.03 | 102.52 | 99.73 | 95.99 | 98.56 |
Trace element (ppm) | ||||||||||||
Nb | 3 | 6 | 5 | |||||||||
Zr | 66 | 66 | 67 | 71 | 65 | 116 | 109 | 115 | 118 | |||
Y | 26 | 25 | 24 | 27 | 24 | 32 | 33 | 32 | 32 | |||
Sr | 113 | 114 | 116 | 109 | 132 | 172 | 156 | 160 | 161 | |||
Rb | 2 | 2 | 2 | |||||||||
Zn | 64 | 78 | 76 | |||||||||
Cu | 71 | 62 | 59 | |||||||||
Ni | 121 | 115 | 122 | 112 | 170 | 179 | 148 | 142 | 164 | |||
Cr | 425 | 397 | 418 | 402 | 486 | 417 | 366 | 321 | 403 | |||
V | 204 | 232 | 241 | |||||||||
Ce | 13 | 29 | 27 | |||||||||
Ba | 5 | 4 | 6 | 6 | 11 | 10 | ||||||
Sc | 35 | 34 | 33 | 36 | 34 | 34 |
Notes: CC = core catcher; LOI = loss on ignition. This table is also available in ASCII format.