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hornfels
[ hawrn-felz ]
noun
- a dark, fine-grained metamorphic rock, the result of recrystallization of siliceous or argillaceous sediments by contact metamorphism.
hornfels
/ ˈhɔːnfɛlz /
noun
- a hard compact fine-grained metamorphic rock formed by the action of heat from a magmatic intrusion on neighbouring sedimentary rocks Also calledhornstone
hornfels
/ hôrn′fĕlz′ /
- A fine-grained metamorphic rock having a uniform grain size and formed by contact metamorphism.
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Word History and Origins
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Word History and Origins
Origin of hornfels1
German: literally, horn rock
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Example Sentences
From diabases, basalts, andesites and other igneous rocks a third type of hornfels is produced.
From Project Gutenberg
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