Pleistocene |
| Deposition of Chad Formation |
Late Tertiary to Quartenary |
| Basalt (Biu and Longuda Plateux), trachyte and phonolite |
Paleocene |
| Uncomformable deposition of Keri Keri Formation |
Cretaceous | Maastrichtian | Deposition of Dukul, Pindiga, Jessu |
Lower Turonian to Campanian | Gongila Formation (marine beds of clays, shales limestone) | |
| Cenomanian Albian | Yolde Formation ( with calcareous units) Bima Sandstone deposition |
Mesozoic | 147 ± 7 Ma (103 ± 5 Ma) | Alkaline rhyolites (Burashika) and transitional alkaline basalts (Shani) |
Precambrian | 620 - 590 Ma | Post-kinematic emplacement of granitoids (biotite, biotite-muscovite granites and pegmatites) |
680 - 620 Ma | Migmatite and ante to synkinematicgranitoids (granite gneiss) | |
| Deposition of sedimentary succession |