| Label | Terrain | Age (under discussion) |
| CKa | Central Karelian terrain | Late Archaean |
| NKa | North Karelian terrain | Late Archaean |
| WS | White Sea terrain | Archaean |
| Kol | Kolvitskiy terrain | Archaean |
| SoK | South Kola terrain | Archaean |
| TeZ | Tersko-Zolotitskiy terrain | Archaean |
| ImV | Imandra-Varzugskiy terrain | Archaean |
| CKo | Central Kola terrain | Early Archaean |
| EKo | East Kola terrain | Early Archaean |
| Mur | Murmansk terrain | Early Archaean |
| WMe | West Mezen’ terrain | Palaeozoic |
| EMe | East Mezen’ terrain | Palaeozoic |
| TiK | Timano-Kaninskiy terrain | Palaeozoic |