Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
ocean-island basalts  | |
|---|---|
| BT | igneous rocks |
| .volcanic rocks | |
| ..basalts | |
| ...ocean-island basalts | |
| UF | OIB |
| RT | alkali basalts |
| nephelinite | |
| tholeiite | |
| SN | Tholeiites, alkali basalts and nephelinites found on submarine volcanoes which form ocean islands away from ocean ridges. Chemically distinct from mid-ocean ridge basalts. |