|
Element
|
Average metamorphic schist
|
Average serpentinized peridotite
|
Average serpentinite mud
|
|---|---|---|---|
| Yb (ppm) | 1.76 | 0.01 | 0.06 |
| Th (ppm) | 1.30 | 0.001 | 0.04 |
| Nd (ppm) | 17.24 | 0.01 | 0.44 |
| Sc (ppm) | 17.36 | 6.00 | 5.83 |
| Ba (ppm) | 50.05 | 2.11 | 2.73 |
| Rb (ppm) | 1.18 | 0.74 | 0.32 |
| Al2O3 (wt%) | 10.90 | 0.57 | 0.93 |
Note: Concentrations were used in calculating mixing lines between serpentinized peridotites and metamorphic schists (Figure F15). Serpentinized peridotite data from Salisbury, Shonohara, Richter, et al. (2002) and Savov et al. (2004).