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Created page with "== Introduction == Hornfels is a fine-grained, non-foliated metamorphic rock that forms through the process of contact metamorphism, where pre-existing rocks are subjected to high temperatures and relatively low pressures, typically due to the intrusion of hot magma. The term "hornfels" is derived from the German word for "hornstone," reflecting its hard and dense nature. This rock is characterized by its toughness and resistance to weathering, making it a significa..."
