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LITHOEN

Rock

Rhyolite

A fine-grained extrusive igneous rock of silica-rich composition. Magma of this kind is viscous, traps its gases, and tends to erupt explosively.

Classification

rock class
igneous
igneous mode
extrusive

In the knowledge graph

Record last updated 2026-09-06. Corrections follow the published corrections policy; superseded claims are retained, never silently edited.