Element | Symbol | Mean | Std. dev. | Minimum | Maximum |
---|---|---|---|---|---|
Aluminum | Al (wt%) | 3.457 | 0.733 | 1.765 | 4.927 |
Arsenic | As (ppm) | 11.722 | 4.699 | 2.484 | 21.893 |
Calcium | Ca (wt%) | 0.320 | 0.159 | 0.072 | 0.844 |
Copper | Cu (ppm) | 14.747 | 4.748 | 5.747 | 28.017 |
Iron | Fe (wt%) | 2.349 | 0.277 | 1.644 | 3.555 |
Mercury | Hg (ppm) | 0.072 | 0.029 | 0.018 | 0.161 |
Magnesium | Mg (wt%) | 0.258 | 0.044 | 0.123 | 0.397 |
Manganese | Mn (ppm) | 911.386 | 208.801 | 462.085 | 1473.050 |
Sodium | Na (wt%) | 0.140 | 0.088 | 0.030 | 0.420 |
Phosphorus | P (wt%) | 0.023 | 0.007 | 0.005 | 0.032 |
Lead | Pb (ppm) | 48.596 | 19.804 | 17.485 | 105.459 |
Selenium | Se (ppm) | 0.373 | 0.121 | 0.126 | 0.670 |
Titanium | Ti (wt%) | 0.378 | 0.078 | 0.246 | 0.636 |
Zinc | Zn (ppm) | 77.280 | 24.271 | 32.081 | 125.990 |