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普兰店元台逆冲推覆构造为典型双重逆冲构造,以上叠式扩展而成。在自南向北逆冲过程中,形成褶皱推覆体,滞后断层,撕裂断层,反冲断层,并进一步形成构造窗和飞来峰。推覆构造形成于 J2-J3,逆冲推覆后期,花岗闪长斑岩沿逆冲推覆构造就位,其所携带的成矿热液在有利部位富集成金矿。
The Pulandian Yuantai thrust nappe structure is a typical double thrust structure, which is formed by the expansion of the overlay. During the thrusting process from south to north, fold nappe, hysteretic fault, tearing fault and thrust fault are formed, and the tectonic window and the flying peak are further formed. The nappe structure was formed in J2-J3. In the late stage of thrusting, the granodiorite porphyry was located along the thrust nappe structure. The ore-forming hydrothermal fluids carried by it were enriched into gold ore in the favorable positions.