Element | Symbol | Mean | Std. dev. | Minimum | Maximum |
---|---|---|---|---|---|
Aluminum | Al (wt%) | 2.787 | 1.084 | 0.499 | 6.488 |
Arsenic | As (ppm) | 5.366 | 1.957 | 2.426 | 12.089 |
Calcium | Ca (wt%) | 0.049 | 0.017 | 0.013 | 0.109 |
Copper | Cu (ppm) | 8.157 | 2.236 | 3.783 | 15.860 |
Iron | Fe (wt%) | 1.610 | 0.499 | 0.518 | 3.556 |
Mercury | Hg (ppm) | 0.037 | 0.011 | 0.011 | 0.077 |
Magnesium | Mg (wt%) | 0.053 | 0.018 | 0.017 | 0.122 |
Manganese | Mn (ppm) | 280.687 | 102.618 | 132.193 | 981.736 |
Sodium | Na (wt%) | 0.020 | 0.019 | 0.004 | 0.121 |
Phosphorus | P (wt%) | 0.029 | 0.015 | 0.012 | 0.108 |
Lead | Pb (ppm) | 24.607 | 7.090 | 7.550 | 49.407 |
Selenium | Se (ppm) | 0.283 | 0.131 | 0.101 | 0.737 |
Titanium | Ti (wt%) | 0.560 | 0.085 | 0.414 | 0.839 |
Zinc | Zn (ppm) | 30.907 | 12.897 | 14.594 | 85.981 |