Location | Depth (cm) | Zircon | Tourmaline | Rutile | ZTR index | Average ZTR |
First terrace | 0 - 30 | 36 | 15 | 7 | 59.18 | 54.18 |
30 - 80 | 47.36 | 22.79 | 7.01 | 77.81 | ||
80 - 130 | 15 | 5 | 3 | 25.56 | ||
Second terrace | 0 - 18 | 8.33 | 2.08 | 24.99 | 32.07 | 48.22 |
18 - 50 | 11.67 | 19.47 | 11.68 | 53.59 | ||
50 - 90 | 5.55 | 15.26 | 18.04 | 59.00 | ||
Alluvial plain and the piedmont | 0 - 15 | 5 | 29 | 24 | 66.67 | 36.25 |
15 - 40 | 10 | 17 | 14 | 35.65 | ||
40 - 70 | 4.9 | 21.3 | 6.54 | 30.96 | ||
70 - 120 | 2 | 8 | 6 | 11.72 |