| Layer | Geoelectric layer depth ranges (m) | Lithologic layer depth ranges (m) | Lithology | Modeled Resistivity (Ωm) |
|
|
| 1 | 0 - 8.62 | 0 - 8 | Top volcanic soil | 156.089 | | Unsaturated zone |
| 2 | 8.62 - 18.86 | 8 - 16 | Tuffs | 93.402 | ||
| 3 | 18.86 - 29.77 | 16 - 40 | Pyroclastics | 35.952 | ||
| 4 | 29.77 - 41.16 | 82.123 | ||||
| 5 | 41.16 - 56.32 | 40 - 50 | tuffs | 111.12 | ||
| 6 | 56.32 - 69.12 | 50 - 90 | Phonolites | 138.256 | ||
| 7 | 69.12 - 84.61 | 248.41 | ||||
| 8 | 84.61 - 103.35 | 90 - 110 | Red soils (highly weathering formation) | 163.673 | ||
| 9 | 103.35 - 126.03 | 110 - 114 | Red soils with particles of tuff | 94.541 | ||
| 114 - 122 | Pumice | |||||
| 10 | 126.03 - 139.1 | 122 - 140 | Trachytes | 63.189 |
| Capillary fringe |
| 11 | 139.1 - 169.28 | 140 - 146 | Tuffs (yellow) | 36.098 | | Main aquifer |
| 146 - 160 | Tuffs (reddish brown) | |||||
| 160 - 166 | Tuffs (greyish) | |||||
| 166 - 168 | Tuffs (weathered) | |||||
| 12 | 169.28 - 186.67 | 168 - 176 | Phonolites (weathered) | 31.761 | ||
| 13 | 186.67 - 226.84 | 176 - 220 | Trachytes | 24.561 | |
|
| 220 - 230 | Trachytes (phonolitic and fissured) | 2nd Aquifer | ||||
| 14 | 226.84 - 249.99 | 230 - 242 | Tuffs (greyish to greenish) | 33.721 | | 3rd aquifer |
| 242 - 252 | Phonolites (greyish) | |||||
| 15 | 249.99 - 275.45 | 252 - 270 | Phonolites (greyish with reddish particles) | 40.526 | | 4th aquifer |
| 270 - 274 | Trachytes | |||||
| 16 | 275.45 - 334.25 | 274 - 280 | Brownish formation | 16.572 |
|
|