The VolcanicAsh concept represents types of ObscurationPhenomena involving fine particles of rock powder that originate from a volcano and that may remain suspended in the atmosphere for long periods. |
•owl:Thing |
•SpatioTemporalThing |
•Endurant |
•PhysicalEndurant |
•AmountOfMatter |
•Substance |
•MixedSubstance |
•Contaminant |
•Ash |
•VolcanicAsh |
•Perdurant |
•Event |
•Phenomenon |
•ObscurationPhenomenon |
•VolcanicAsh |