Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
volcaniclastics  | |
|---|---|
| UF | volcaniclastic rocks |
| RT | igneous rocks |
| pyroclastics | |
| sedimentary rocks | |
| clastic sediments | |
| volcanic ash | |
| sediments | |
| tuff | |
| clastic rocks | |
| terrigenous materials | |
| ash falls | |
| pyroclastic flows | |
| volcanic breccia | |
| ejecta | |
| lapilli | |
| SN | Used to indicate material, within sediments or sedimentary rocks, which originated from a volcano. Use pyroclastics for the igneous rock. Added to Thesaurus in 1984. |