Element | Symbol | Mean | Std. dev. | Minimum | Maximum |
---|---|---|---|---|---|
Aluminum | Al (wt%) | 1.692 | 0.471 | 0.903 | 3.613 |
Arsenic | As (ppm) | 2.427 | 0.525 | 0.994 | 4.058 |
Calcium | Ca (wt%) | 0.065 | 0.031 | 0.027 | 0.233 |
Copper | Cu (ppm) | 6.223 | 1.933 | 2.456 | 11.325 |
Iron | Fe (wt%) | 0.982 | 0.552 | 0.312 | 4.619 |
Mercury | Hg (ppm) | 0.023 | 0.011 | 0.010 | 0.059 |
Magnesium | Mg (wt%) | 0.076 | 0.024 | 0.034 | 0.166 |
Manganese | Mn (ppm) | 278.333 | 120.701 | 75.853 | 751.658 |
Sodium | Na (wt%) | 0.110 | 0.057 | 0.036 | 0.318 |
Phosphorus | P (wt%) | 0.009 | 0.004 | 0.003 | 0.020 |
Lead | Pb (ppm) | 13.050 | 2.548 | 8.091 | 21.796 |
Selenium | Se (ppm) | 0.315 | 0.113 | 0.111 | 0.555 |
Titanium | Ti (wt%) | 0.298 | 0.073 | 0.173 | 0.746 |
Zinc | Zn (ppm) | 16.934 | 4.767 | 9.380 | 47.442 |