Element | Symbol | Mean | Std. dev. | Minimum | Maximum |
---|---|---|---|---|---|
Aluminum | Al (wt%) | 5.445 | 0.509 | 4.257 | 7.094 |
Arsenic | As (ppm) | 5.203 | 0.985 | 3.008 | 8.441 |
Calcium | Ca (wt%) | 2.105 | 1.157 | 0.502 | 7.097 |
Copper | Cu (ppm) | 14.281 | 3.166 | 6.280 | 24.867 |
Iron | Fe (wt%) | 2.608 | 0.412 | 1.674 | 3.704 |
Mercury | Hg (ppm) | 0.015 | 0.006 | 0.010 | 0.050 |
Magnesium | Mg (wt%) | 0.578 | 0.128 | 0.342 | 0.989 |
Manganese | Mn (ppm) | 459.183 | 153.600 | 256.002 | 1247.290 |
Sodium | Na (wt%) | 0.767 | 0.104 | 0.490 | 1.175 |
Phosphorus | P (wt%) | 0.058 | 0.013 | 0.035 | 0.104 |
Lead | Pb (ppm) | 20.834 | 1.837 | 15.783 | 29.376 |
Selenium | Se (ppm) | 0.385 | 0.241 | 0.104 | 1.413 |
Titanium | Ti (wt%) | 0.314 | 0.036 | 0.218 | 0.455 |
Zinc | Zn (ppm) | 59.248 | 10.022 | 33.842 | 90.812 |