Ratio | BD1 (a) | BD2 (a) | Av. Bastar Granitoids (b) | Primordial Mantle (c) | Average Crust (d) |
Nb/La | 0.62 | 0.61 | 0.46 | 1.01 | 0.46 |
Nb/Ce | 0.26 | 0.20 | 0.21 | 0.39 | 0.30 |