The rock can form in a contact metamorphic zone - (2) hornfels
Metamorphic zone
is an area where, as a result of metamorphism, the same combination of minerals occurs in the bedrock.
Hornfels
- is a metamorphic rock formed by the contact between mudstone/shale, or other clay-rich rock, and a hot igneous body
- This process is termed contact metamorphism.
- Pre-existing bedding and structure of the parent rock are normally demolished during the formation of hornfels.
Thus, the rock can form in a contact metamorphic zone - (2) hornfels
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