Element | Symbol | Mean | Std. dev. | Minimum | Maximum |
---|---|---|---|---|---|
Aluminum | Al (wt%) | 1.121 | 0.607 | 0.157 | 4.332 |
Arsenic | As (ppm) | 3.210 | 2.201 | 0.734 | 18.274 |
Calcium | Ca (wt%) | 0.029 | 0.009 | 0.008 | 0.059 |
Copper | Cu (ppm) | 3.160 | 1.303 | 1.046 | 9.093 |
Iron | Fe (wt%) | 1.016 | 0.612 | 0.135 | 4.614 |
Mercury | Hg (ppm) | 0.018 | 0.008 | 0.010 | 0.056 |
Magnesium | Mg (wt%) | 0.032 | 0.018 | 0.004 | 0.107 |
Manganese | Mn (ppm) | 183.585 | 86.961 | 21.634 | 409.210 |
Sodium | Na (wt%) | 0.009 | 0.005 | 0.003 | 0.035 |
Phosphorus | P (wt%) | 0.018 | 0.009 | 0.003 | 0.046 |
Lead | Pb (ppm) | 12.405 | 4.779 | 2.504 | 27.593 |
Selenium | Se (ppm) | 0.215 | 0.095 | 0.100 | 0.724 |
Titanium | Ti (wt%) | 0.322 | 0.115 | 0.035 | 0.597 |
Zinc | Zn (ppm) | 12.730 | 4.458 | 1.506 | 30.109 |