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Hornfels


What is Hornfels?



Hornfels is a fine-grained nonfoliated metamorphic rock with no specific composition. It is produced by contact metamorphism. Hornfels is a rock that was "baked" while near a heat source such as a magma chamber, sill or dike.




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Hornfels
Hornfels: The specimen shown is about two inches (five centimeters) across.


More Metamorphic Rocks
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  Slate
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  Quartzite
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