Element | Symbol | Mean | Std. dev. | Minimum | Maximum |
---|---|---|---|---|---|
Aluminum | Al (wt%) | 1.960 | 0.728 | 0.600 | 4.983 |
Arsenic | As (ppm) | 3.968 | 1.575 | 1.662 | 10.787 |
Calcium | Ca (wt%) | 0.135 | 0.096 | 0.029 | 0.600 |
Copper | Cu (ppm) | 7.324 | 1.522 | 3.565 | 12.980 |
Iron | Fe (wt%) | 1.073 | 0.417 | 0.517 | 3.857 |
Mercury | Hg (ppm) | 0.050 | 0.012 | 0.021 | 0.097 |
Magnesium | Mg (wt%) | 0.059 | 0.025 | 0.018 | 0.193 |
Manganese | Mn (ppm) | 314.279 | 211.963 | 122.690 | 1635.510 |
Sodium | Na (wt%) | 0.081 | 0.069 | 0.006 | 0.309 |
Phosphorus | P (wt%) | 0.043 | 0.025 | 0.009 | 0.168 |
Lead | Pb (ppm) | 22.275 | 5.250 | 8.624 | 44.701 |
Selenium | Se (ppm) | 0.323 | 0.099 | 0.115 | 0.680 |
Titanium | Ti (wt%) | 0.716 | 0.089 | 0.516 | 1.230 |
Zinc | Zn (ppm) | 24.425 | 5.882 | 11.032 | 49.303 |