Definition
Pyroclastic rocks are “fragmental volcanic products in which the fragmentation of lava or rock and the ejection of the fragments from the vent are both due to explosive volcanic activity” (Sparks and Walker 1973).
Category
A type of volcaniclastic deposit.
Synonyms
Tephra (ash, Greek) (Thorarinsson 1954)
Subtypes of Pyroclasts by Particle Size
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Filiberto, J. (2015). Pyroclastic Deposits. In: Hargitai, H., Kereszturi, Á. (eds) Encyclopedia of Planetary Landforms. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-3134-3_284
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