| 单词 | contact metamorphism |
| 释义 | contact metamorphismcontact metamorphismContact Metamorphismcontact metamorphism[′kän‚takt ‚med·ə′mȯr·fiz·əm]Contact Metamorphismthe alteration of rock under the influence of intrusive magmatic bodies. Alteration occurs most intensively close to the intrusive body and diminishes with distance from it. Both sedimentary and magmatic rock may undergo contact metamorphism, in the course of which their original mineralogical content and structure change. As a result of contact metamorphism various hornfels and other rocks with corneous facies are formed. |
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