Element | Symbol | Mean | Std. dev. | Minimum | Maximum |
---|---|---|---|---|---|
Aluminum | Al (wt%) | 3.675 | 0.424 | 2.264 | 5.512 |
Arsenic | As (ppm) | 6.431 | 1.106 | 4.292 | 12.350 |
Calcium | Ca (wt%) | 12.093 | 2.125 | 4.411 | 19.356 |
Copper | Cu (ppm) | 12.475 | 1.447 | 9.130 | 18.015 |
Iron | Fe (wt%) | 1.628 | 0.176 | 1.034 | 2.409 |
Mercury | Hg (ppm) | 0.026 | 0.009 | 0.010 | 0.048 |
Magnesium | Mg (wt%) | 0.781 | 0.161 | 0.359 | 1.331 |
Manganese | Mn (ppm) | 368.369 | 45.741 | 231.632 | 523.823 |
Sodium | Na (wt%) | 0.178 | 0.030 | 0.114 | 0.269 |
Phosphorus | P (wt%) | 0.055 | 0.013 | 0.019 | 0.084 |
Lead | Pb (ppm) | 13.158 | 3.092 | 6.227 | 27.953 |
Selenium | Se (ppm) | 0.357 | 0.096 | 0.103 | 0.667 |
Titanium | Ti (wt%) | 0.215 | 0.028 | 0.156 | 0.325 |
Zinc | Zn (ppm) | 50.280 | 11.727 | 21.732 | 88.405 |