Element | Symbol | Mean | Std. dev. | Minimum | Maximum |
---|---|---|---|---|---|
Aluminum | Al (wt%) | 5.979 | 0.505 | 4.571 | 7.631 |
Arsenic | As (ppm) | 11.244 | 1.967 | 7.543 | 21.570 |
Calcium | Ca (wt%) | 0.596 | 0.093 | 0.394 | 0.902 |
Copper | Cu (ppm) | 15.755 | 3.629 | 6.926 | 28.711 |
Iron | Fe (wt%) | 2.364 | 0.376 | 1.324 | 3.601 |
Mercury | Hg (ppm) | 0.031 | 0.009 | 0.010 | 0.068 |
Magnesium | Mg (wt%) | 0.592 | 0.101 | 0.323 | 0.887 |
Manganese | Mn (ppm) | 541.875 | 148.238 | 231.539 | 1016.860 |
Sodium | Na (wt%) | 0.733 | 0.095 | 0.479 | 1.024 |
Phosphorus | P (wt%) | 0.063 | 0.014 | 0.029 | 0.130 |
Lead | Pb (ppm) | 20.627 | 3.229 | 12.761 | 32.606 |
Selenium | Se (ppm) | 0.537 | 0.145 | 0.211 | 1.109 |
Titanium | Ti (wt%) | 0.317 | 0.023 | 0.228 | 0.381 |
Zinc | Zn (ppm) | 75.586 | 13.383 | 40.461 | 139.594 |