Geology glossary
accrezione lapilli
- VolcanologyPiccole sfere sferiche di cenere vulcanicaAccrezione lapilli sono piccole sfere sferiche di cenere vulcanica che si formano da un nucleo bagnato cadere attraverso una nube di cenere vulcanica. Possono appiattire sulla terra o può rotolare sulla cenere sciolto e crescere come una palla di neve.
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