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Hornfels is a metamorphic rock that can form when a rock is subjected to high temperatures. Hornfels, which often forms when magma or lava touches other rock, is nonfoliated. ... Heat and pressure changes both igneous rocks sedimentary rocksinto metamorphic rocks
Hornfels is a metamorphic rock that can form when a rock is subjected to high temperatures. Hornfels, which often forms when magma or lava touches other rock, is nonfoliated. ... Heat and pressure changes both igneous rocks sedimentary rocksinto metamorphic rocks.