| LC control no. | sh 85144250 |
|---|---|
| LC classification | QE461 QE462 Petrology TL557.V64 Aeronautical meteorology |
| Topical heading | Volcanic ash, tuff, etc. |
| Variant(s) | Pyroclastics Rocks, Volcanic Tephra Tuff Volcanic ejecta Volcanic rocks |
| See also | Igneous rocks Andosols |
| Found in | Dict. geol. terms (tephra; volcanic ejecta: collective term for all clastic volcanic materials which, during an eruption, are ejected from a crater or from some other type of vent and are transported through the air) GeoRef (Pyroclastics; UF tephra) |
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