Element | Symbol | Mean | Std. dev. | Minimum | Maximum |
---|---|---|---|---|---|
Aluminum | Al (wt%) | 7.144 | 0.626 | 6.024 | 9.197 |
Arsenic | As (ppm) | 5.867 | 5.934 | 1.209 | 50.237 |
Calcium | Ca (wt%) | 2.463 | 0.862 | 0.712 | 5.669 |
Copper | Cu (ppm) | 35.032 | 22.181 | 7.589 | 217.675 |
Iron | Fe (wt%) | 3.721 | 0.677 | 1.619 | 5.787 |
Mercury | Hg (ppm) | 0.019 | 0.009 | 0.010 | 0.049 |
Magnesium | Mg (wt%) | 0.704 | 0.195 | 0.247 | 1.671 |
Manganese | Mn (ppm) | 757.531 | 131.951 | 458.889 | 1281.990 |
Sodium | Na (wt%) | 1.648 | 0.260 | 1.117 | 2.556 |
Phosphorus | P (wt%) | 0.072 | 0.024 | 0.026 | 0.151 |
Lead | Pb (ppm) | 691.838 | 1298.820 | 20.136 | 6281.610 |
Selenium | Se (ppm) | 0.165 | 0.058 | 0.100 | 0.300 |
Titanium | Ti (wt%) | 0.504 | 0.098 | 0.176 | 0.821 |
Zinc | Zn (ppm) | 96.353 | 55.461 | 33.687 | 312.749 |