Table 1.
Groundwater composition in the Pyhäsalmi mine drill hole R-2247. Sample a was taken after one hour of flushing the drill hole, and sample b immediately before the microbiological sampling.
| Geohemistry Variable | units | Sample a | Sample b |
|---|---|---|---|
| Alkalinity | mmol/L | 0.16 | 0.17 |
| Total dissolved solids | g/L | 77 | 81 |
| Cations: | |||
| Al | µg/L | 5.76 | 6.50 |
| As | µg/L | 0.94 | 0.61 |
| B | µg/L | 728 | 678 |
| Ba | µg/L | 902 | 928 |
| Be | µg/L | 0.16 | 0.12 |
| Co | µg/L | 0.41 | 0.40 |
| Cr | µg/L | 6.46 | 6.28 |
| Cu | µg/L | 0.62 | 0.58 |
| K | mg/L | 57.4 | 56.1 |
| Mn | µg/L | 15.2 | 14.1 |
| Mo | µg/L | 1.89 | 1.89 |
| Ni | µg/L | 4.77 | 26.6 |
| P | µg/L | 47.0 | 60.2 |
| Pb | µg/L | 0.42 | 0.20 |
| Rb | µg/L | 283 | 282 |
| Se | µg/L | 0.41 | 0.73 |
| V | µg/L | 2.39 | 2.28 |
| Zn | µg/L | 2.47 | 1.63 |
| Ca | mg/L | 20500 | 21500 |
| Fe | mg/L | 0.14 | 0.21 |
| Li | mg/L | 0.337 | 0.322 |
| Mg | mg/L | 3.22 | 3.44 |
| Na | mg/L | 7190 | 7420 |
| S | mg/L | 88.7 | 87.9 |
| Si | mg/L | 2.60 | 2.99 |
| Sr | mg/L | 254 | 266 |
| Anions: | |||
| I | mg/L | 7.15 | 6.98 |
| Br | mg/L | 510 | 510 |
| Cl | mg/L | 48000 | 50000 |
| SO4 | mg/L | 340 | 320 |
| NO3 | mg/L | <0.2 | <0.2 |
| Sulfide | mg/L | - | 1.2 |