| 1 Alluvium |
| 2 VEISARI SANDSTONE: Mau andesitic conglomerate |
| 3 SERUA CONGLOMERATE: Polymict conglometate with many tonalite boulders (grading eastward into grained Sandstone) |
| 4 VEISARI SANDSTONE: Fine- to medium- grained sandstone, pebbly sandstone and conglomerate, derived mainly from Namosi Andesite. |
| 5 NAVUA MUDSTONE: Basal conglomerate. |
| 6 NAMOSI ANDESITE: Hornblende andesite conglomerate |
| 7 NAMOSI ANDESITE: Augite andesite conglomerate |
| 8 NUMBUONAMBOTO VOLCANIC CONGLOMERATE: Basix volcanic conglomerate with volcanic breccia; minor sandstone and stuff. |
| 9 NUMBUONAMBOTO VOLCANIC CONGLOMERATE: Navutulevu polymict conglomerate |
| 10 TAWAVATU TUFF: Basic fine-grained lithic tuff with coarser interbeds (grading westward into Num buonamboto Volcanic Conglomerate) |
| 11 Hornblende andesite |
| 12 VANGO VOLCANICS: Andesitic breccia with minor pillow lava |
| 13 VANGO VOLCANICS: Rhyolitic tuff intercalated with andesite breccia. |
