Table 1 Average major element concentrations (wt.%) and REY and Sc concentrations (mg/kg) of GS, IGS and HG.
Unit | Garnet sands from several mines (GS) | Industrial garnet sands (IGS) | Hydrothermal garnet (HG) | |
|---|---|---|---|---|
Al | (wt.%) | 10.1 | 8.84 | 0.318 |
Ca | (wt.%) | 1.65 | 1.06 | 19.4 |
Fe | (wt.%) | 21.6 | 21.7 | 19.6 |
Mg | (wt.%) | 2.98 | 1.94 | < LOQ |
Mn | (wt.%) | 2.28 | 0.731 | 0.108 |
Sc | (mg/kg) | 93.6 | 90.8 | 0.249 |
Y | (mg/kg) | 922 | 221 | 18.8 |
La | (mg/kg) | 1654 | 43.8 | 4.47 |
Ce | (mg/kg) | 3498 | 100 | 12.1 |
Pr | (mg/kg) | 407 | 10.3 | 1.31 |
Nd | (mg/kg) | 1521 | 37.5 | 4.71 |
Sm | (mg/kg) | 163 | 12.1 | 0.935 |
Eu | (mg/kg) | 9.45 | 0.599 | 0.524 |
Gd | (mg/kg) | 121 | 22.8 | 1.49 |
Tb | (mg/kg) | 17.6 | 4.89 | 0.228 |
Dy | (mg/kg) | 102 | 37.6 | 1.61 |
Ho | (mg/kg) | 20.2 | 8.50 | 0.390 |
Er | (mg/kg) | 61.8 | 26.8 | 1.37 |
Tm | (mg/kg) | 9.90 | 4.04 | 0.200 |
Yb | (mg/kg) | 73.4 | 27.3 | 1.48 |
Lu | (mg/kg) | 11.5 | 3.99 | 0.267 |
