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
Sources Checked for Data in Record
- Submitted information Comment: José Delgado Rodrigues, LNEC, 2009
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: Hornfels (accessed March 2010)