Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
volcanic ash  | |
|---|---|
| RT | amorphous materials |
| ash falls | |
| ash flows | |
| ash-flow tuff | |
| atmospheric transport | |
| bentonite | |
| clastic sediments | |
| dust | |
| ejecta | |
| ignimbrite | |
| K-bentonite | |
| nuees ardentes | |
| pyroclastic flows | |
| pyroclastics | |
| sediments | |
| shirasu | |
| terrigenous materials | |
| tuff | |
| volcanic rocks | |
| volcanicla | |
| SN | In GeoRef, ash is used for artifical ash. May be used as an igneous rock and a sediment. Also index pyroclastics; OR clastic sediments as applicable (See lists H or N). |