Near the contact boundary there exists a kind of metamorphic rock known as hornfels. It is resulted from the contact metamorphism when magma comes in contact with the sedimentary rocks and heats and squeezes them.
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在二者接触界线附近发育着一种叫角岩的变质岩,角岩的形成是由于岩浆人侵与周围沉积岩接触时所产生的热量和压力致使原岩发生变化而成。
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