Element | Symbol | Mean | Std. dev. | Minimum | Maximum |
---|---|---|---|---|---|
Aluminum | Al (wt%) | 4.919 | 1.096 | 1.020 | 6.453 |
Arsenic | As (ppm) | 4.526 | 0.554 | 3.205 | 6.759 |
Calcium | Ca (wt%) | 2.464 | 1.117 | 0.173 | 9.005 |
Copper | Cu (ppm) | 10.890 | 2.540 | 3.016 | 14.912 |
Iron | Fe (wt%) | 1.739 | 0.375 | 0.554 | 2.563 |
Mercury | Hg (ppm) | 0.012 | 0.002 | 0.010 | 0.021 |
Magnesium | Mg (wt%) | 0.572 | 0.183 | 0.129 | 1.088 |
Manganese | Mn (ppm) | 318.767 | 113.038 | 65.429 | 587.574 |
Sodium | Na (wt%) | 0.688 | 0.242 | 0.017 | 1.464 |
Phosphorus | P (wt%) | 0.041 | 0.010 | 0.010 | 0.069 |
Lead | Pb (ppm) | 23.139 | 5.594 | 9.039 | 37.523 |
Selenium | Se (ppm) | 0.161 | 0.041 | 0.100 | 0.291 |
Titanium | Ti (wt%) | 0.298 | 0.076 | 0.027 | 0.515 |
Zinc | Zn (ppm) | 46.346 | 9.918 | 15.103 | 67.223 |