Element | Symbol | Mean | Std. dev. | Minimum | Maximum |
---|---|---|---|---|---|
Aluminum | Al (wt%) | 0.542 | 0.301 | 0.180 | 2.014 |
Arsenic | As (ppm) | 1.549 | 0.351 | 0.839 | 3.065 |
Calcium | Ca (wt%) | 0.013 | 0.003 | 0.003 | 0.025 |
Copper | Cu (ppm) | 2.968 | 0.698 | 1.340 | 5.943 |
Iron | Fe (wt%) | 0.334 | 0.123 | 0.094 | 0.738 |
Mercury | Hg (ppm) | 0.012 | 0.003 | 0.010 | 0.028 |
Magnesium | Mg (wt%) | 0.031 | 0.012 | 0.010 | 0.081 |
Manganese | Mn (ppm) | 61.886 | 21.472 | 22.462 | 157.179 |
Sodium | Na (wt%) | 0.023 | 0.009 | 0.004 | 0.047 |
Phosphorus | P (wt%) | 0.005 | 0.001 | 0.003 | 0.011 |
Lead | Pb (ppm) | 7.700 | 1.440 | 4.077 | 11.829 |
Selenium | Se (ppm) | 0.136 | 0.054 | 0.100 | 0.423 |
Titanium | Ti (wt%) | 0.262 | 0.057 | 0.116 | 0.516 |
Zinc | Zn (ppm) | 8.281 | 1.860 | 4.222 | 15.733 |