Table 3 Minimum, maximum, and average elemental concentrations of each element.
Elements | Minimum (ppm) | Maximum (ppm) | Mean ± SD (ppm) |
|---|---|---|---|
Al | 17,219 | 87,079.4 | 53,381.6 ± 17,159.9 |
Si | 1368.4 | 27,695.8 | 18,820.8 ± 7545.1 |
S | 82.6 | 1867.4 | 838.7 ± 482.9 |
Cl | 51 | 4611.3 | 2097.2 ± 1196.7 |
K | 77.8 | 9429.6 | 2801.0 ± 2053.8 |
Ca | 41 | 48,088 | 17,684.2 ± 11,293.5 |
Ti | 90.2 | 1378.5 | 389.2 ± 284.6 |
V | 2.5 | 45.6 | 23.3 ± 12.8 |
Cr | 98.4 | 2730.3 | 577.1 ± 643.0 |
Mn | 76.1 | 586.2 | 222.9 ± 145.1 |
Fe | 858 | 16,296.2 | 4387.6 ± 3346.2 |
Co | 14.9 | 161.5 | 52.1 ± 39.1 |
Ni | 8255.6 | 56,183 | 30,237.9 ± 10,440.4 |
Cu | 210.9 | 1464.1 | 623.2 ± 278.2 |
Zn | 311.8 | 4003.4 | 1443.5 ± 944.3 |
Ga | 13.2 | 197.3 | 67.7 ± 82.0 |
Ge | 5.4 | 255.5 | 97.0 ± 59.3 |
As | 18.7 | 38 | 28.3 ± 13.6 |
Se | 6.9 | 55.8 | 26.3 ± 13.7 |
Kr | 7.7 | 101.1 | 35.2 ± 21.5 |
Ag | 37.8 | 64.6 | 50.5 ± 10.3 |
Cd | 45.1 | 281.5 | 106.2 ± 90.9 |
Sn | 40.2 | 61.3 | 50.1 ± 90.9 |
Pb | 80 | 400 | 240 ± 90.9 |
Cu | 70 | 351 | 210 ± 90.9 |
