allochthon
美['æləkθən] 英['æləkθən]
n. 移置体(外来体)
例句
- The allochthon consists of the Presinian,Sinian and Cambrian system.The autochthon comprises the Devonian and Carboniferous system. 推覆构造的外来系统为前震旦系、震旦系和寒武系，原地系统为泥盆系和石炭系。
- The dip of the minimum reflectance (R_c) in the allochthon turns from NNW to WNW, indicating the state of stresses in the frontal zone of nappe. 外来系统中最小反射率的倾向由北北西转至北西西,代表推覆体前锋带的应力状态;
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