Hornfels Formed?

Answer

Hornfels is formed when mudstone or shale come in contact with metamorphic rock and a hot igneous body, this represents a heat-altered equivalent of the original rock. This is termed as contact metamorphism. In the formation of hornfels, pressure does not factor.
Q&A Related to "Hornfels Formed?"
They are formed when heat and pressure compacts it together.
http://wiki.answers.com/Q/How_is_hornfels_formed
Hornfels are contact metamorphic rocks that have been baked and indurated by the heat of
http://www.chacha.com/question/what-process-forms-...
conglomerate. breccia. and shale or siltstone.
http://answers.yahoo.com/question/index?qid=201112...
Schist is the highest grade metamorphic rock of those listed in the question.
http://wiki.answers.com/Q/What_rock_forms_at_the_h...
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