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Volcanic ash, tuff, etc

LC control 85144250
LC classificationQE461 QE462 Petrology
TL557.V64 Aeronautical meteorology
Topical headingVolcanic ash, tuff, etc.
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Rocks, Volcanic
Volcanic ejecta
Volcanic rocks
See alsoIgneous rocks
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Found inDict. 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)