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epigene adj.【地質學;地理學】外成的。

epigene rocks

Under the influence of original formation , tectonic reconstruction , superficial and epigene - action , network of structure planes was created in rock mass , accordingly complicated the rock mass structure 由于受原生建造、后期構造改造和淺表生作用的影響,巖體中常發育多組裂隙,形成相互交切的結構面網絡系統,使巖體結構復雜化。