Hornfels

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Description

A group designation for nonfoliated often banded, fine-grained, metamorphic rocks containing quartz, feldspar, and other minerals. Hornfels is typically formed by thermal metamorphism resulting in a hard, durable rock.

Synonyms and Related Terms

corneanas (Port.)

Sources Checked for Data in Record

  • Submitted information Comment: José Delgado Rodrigues, LNEC, 2009

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