Hornfels

noun

Word Frequency: 0.1

Definitions

1.nounAny of a series of contact metamorphic rocks that have been baked and indurated by the heat of intrusive igneous masses and rendered massive, hard, splintery, and in some cases exceedingly tough and durable.

Synonyms

hornstone hornblende pyroxene plagioclase cordierite biotite andalusite epidote amphibole calc fenite firestone

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