| Horizontal distances to the vertical reference plane (m) | ||||
| Depth (m) | Galleries | Envelope isotherm for 400˚C | Envelope isotherm for 500˚C | Dike |
| 134 | 150 | 134 | 101 | 36 |
| 184 | 200 | 184 | 139 | 49 |
| 230 | 250 | 230 | 173 | 62 |
| 280 | 300 | 280 | 211 | 75 |
| 330 | 385 | 330 | 249 | 88 |
| 380 | 425 | 380 | 286 | 102 |