Table 3: XRD mineralogical composition of the samples.
| Samples code | Mineral phase | ||||
| Quartz | Albite | Halite | Anatase | Moganite | |
| MER-01 | ≠ | ≠ | ≠ | ≠ | ≠ |
| MER-02 | + | + | - | - | - |
| MER-03 | + | - | + | + | - |
| MER-04 | + | + | - | - | - |
| MER-05 | + | - | - | - | + |
| MER-06 | + | + | - | - | - |
+Present /-Absent / ≠ Not detected.