Table T6. Whole-rock major and trace element composition, Hole U1375B.
|
Hole:
|
330-U1375B- |
|---|---|
|
Core, section:
|
1R-1 |
|
Piece:
|
1 |
|
Interval (cm):
|
0–2 |
|
Top depth (mbsf):
|
0 |
|
Strat. unit:
|
I |
| Major element oxide (wt%): | |
| SiO2 | 42.42 |
| TiO2 | 4.27 |
| Al2O3 | 15.60 |
| Fe2O3T | 13.84 |
| MnO | 0.16 |
| MgO | 3.68 |
| CaO | 10.06 |
| Na2O | 3.74 |
| K2O | 1.37 |
| P2O5 | 0.54 |
|
Total:
|
95.68 |
| LOI | 1.4 |
| Major element oxide (wt%) normalized to 100 wt%: | |
| SiO2 | 44.33 |
| TiO2 | 4.46 |
| Al2O3 | 16.31 |
| Fe2O3T | 14.47 |
| MnO | 0.17 |
| MgO | 3.84 |
| CaO | 10.51 |
| Na2O | 3.91 |
| K2O | 1.43 |
| P2O5 | 0.57 |
|
Total:
|
100.00 |
| Mg# | 38.2 |
| Trace element (ppm): | |
| Ba | 259 |
| Sr | 717 |
| Zr | 259 |
| Y | 31 |
| V | 354 |
| Sc | 17 |
| Cu | 69 |
| Zn | 123 |
| Co | 75 |
| Cr | 39 |
| Ni | 60 |
Analysis was conducted on sample powder ignited to 960°C. Fe2O3T = total iron expressed as Fe2O3. LOI = weight loss on ignition. Mg# = 100 × Mg2+/(Mg2+ + Fe2+), assuming that Fe2O3/FeO = 0.15.
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