Relating to or describing a type of volcanic rock formation characterized by accumulated fragments and layered composition.
From Latin 'cumulus' (heap) + Greek 'phyrikos' (of fire, volcanic). This geological term merges Latin and Greek roots to describe volcanic rock created through accumulation of fire-formed fragments.
Cumulophyric rocks show how volcanoes don't just explode once—they pile up layer after layer of ash and rock, building mountains like nature's construction project.
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