Element | Symbol | Mean | Std. dev. | Minimum | Maximum |
---|---|---|---|---|---|
Aluminum | Al (wt%) | 6.022 | 0.494 | 4.680 | 7.920 |
Arsenic | As (ppm) | 2.239 | 1.330 | 0.319 | 7.663 |
Calcium | Ca (wt%) | 2.387 | 0.403 | 1.292 | 3.210 |
Copper | Cu (ppm) | 14.915 | 3.141 | 6.105 | 34.329 |
Iron | Fe (wt%) | 4.165 | 0.653 | 2.665 | 6.031 |
Mercury | Hg (ppm) | 0.034 | 0.010 | 0.010 | 0.110 |
Magnesium | Mg (wt%) | 0.795 | 0.139 | 0.530 | 1.468 |
Manganese | Mn (ppm) | 1300.330 | 337.721 | 613.570 | 2520.370 |
Sodium | Na (wt%) | 1.742 | 0.231 | 1.228 | 2.230 |
Phosphorus | P (wt%) | 0.080 | 0.021 | 0.026 | 0.154 |
Lead | Pb (ppm) | 40.752 | 11.638 | 25.200 | 142.990 |
Selenium | Se (ppm) | 0.128 | 0.029 | 0.100 | 0.359 |
Titanium | Ti (wt%) | 0.906 | 0.195 | 0.480 | 1.862 |
Zinc | Zn (ppm) | 52.318 | 7.803 | 27.347 | 80.412 |