|
Element
|
Shipboard
Flux Fusion (%) (N = 6) |
Boston University
Flux Fusion (%) (N = 4) |
Boston University
Microwave (%) (N = 8) |
|---|---|---|---|
| Major element (wt%): | |||
| Si | 3.4 | 1.9 | 1.9 |
| Al | 5.0 | 2.6 | 1.9 |
| Ti | 5.8 | 3.0 | 2.5 |
| Fe | 7.1 | 2.7 | 2.2 |
| Mn | 2.9 | 1.4 | 2.1 |
| Ca | 1.5 | 2.5 | 1.8 |
| Mg | 3.9 | 2.5 | 2.0 |
| Na | >20 | 1.7 | 1.2 |
| K | >20 | 2.8 | 2.0 |
| P | >30 (NR) | 4.1 | 2.0 |
| Trace elements (ppm): | |||
| Ba | 6.9 | 1.2 | 1.9 |
| Sr | 2.7 | 2.3 | 1.8 |
| Cr | >20 | 4.5 | 3.2 |
| Ni | 13.1 | 4.5 | 3.0 |
| Sc | NR | 3.3 | 2.4 |
| V | 10.2 | 3.1 | 3.0 |
| Zr | >30 (NR) | 4.0 | 3.0 |
Notes: Precision reported as percent of 1
standard deviation of the mean concentration. NR = not reported in Leg 206 Initial Reports (Wilson, Teagle, Acton, et al., 2003).