Cebrán
| Site: | Cantera de Piedrablanca |
| Landform: |  Llanura |
| Difficulty: | 5 |
| Risk Level: | |
| Skills: |  Extracción - 10 |
Task groups
Extracción
| Ratio | Task | Result | Difficulty | Duration | Components |
| 100% |  Extraer arcilla | | 1 | 00:01:40 | |
| 100% |  Extraer marga |  | 2 | 00:02:30 | |
| 100% |  Extraer pizarra |  | 3 | 00:05:00 |