Metamorphic Rocks
变质岩
 | This rock shows crystal formation and layering, two formation process which lead to its classification as a metamorphic rock. The layering also shows some bending, suggesting that it has been subject to pressures. 这块岩石显示出晶体形成和层理，这两种形成过程使其被归类为变质岩。层理也显示出一些弯曲，表明它曾受到压力的作用。
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索引
| HyperPhysics*****Geophysics
HyperPhysics ***** 地球物理学 | R Nave |
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