plate-(piston)-type caldera

GLOSSARY OF VOLCANIC TERMS
A type of caldera in which the caldera floor subsides more or less evenly as one coherent block. Plate-(piston)-type calderas are believed to result from single, large volume pyroclastic eruptions from relatively shallow depth (hypabyssal) magma chambers.

Glossary of volcanic terms. - University of Wisconsin Oshkosh. . 2001.

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