metavolcanic

English

Etymology

From meta- +‎ volcanic.

Adjective

metavolcanic (not comparable)

  1. (geology) Being or relating to a type of metamorphic rock originally produced by a volcano, either as lava or tephra, then buried and subjected to high pressures and temperatures, causing it to recrystallize.
    Metavolcanic rock is commonly found in greenstone belts.
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