Element | Symbol | Mean | Std. dev. | Minimum | Maximum |
---|---|---|---|---|---|
Aluminum | Al (wt%) | 4.287 | 0.496 | 3.291 | 5.956 |
Arsenic | As (ppm) | 4.676 | 0.511 | 3.313 | 5.889 |
Calcium | Ca (wt%) | 3.204 | 0.991 | 1.082 | 7.140 |
Copper | Cu (ppm) | 13.233 | 2.691 | 7.285 | 19.934 |
Iron | Fe (wt%) | 1.642 | 0.243 | 1.115 | 2.361 |
Mercury | Hg (ppm) | 0.010 | 0.000 | 0.010 | 0.011 |
Magnesium | Mg (wt%) | 1.168 | 0.431 | 0.483 | 2.149 |
Manganese | Mn (ppm) | 336.331 | 64.697 | 121.814 | 529.296 |
Sodium | Na (wt%) | 0.677 | 0.121 | 0.509 | 1.264 |
Phosphorus | P (wt%) | 0.039 | 0.007 | 0.026 | 0.065 |
Lead | Pb (ppm) | 22.921 | 4.278 | 12.120 | 36.732 |
Selenium | Se (ppm) | 0.205 | 0.081 | 0.100 | 0.491 |
Titanium | Ti (wt%) | 0.221 | 0.029 | 0.139 | 0.280 |
Zinc | Zn (ppm) | 33.252 | 7.074 | 17.142 | 52.536 |