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首页> 外文期刊>Acta Geologica Sinica - English Edition >Geophysical-Geological Interpretation and Deep-Seated Gold Deposit Prospecting in Sanshandong-Jiaojia Area, Eastern Shandong Province, China
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Geophysical-Geological Interpretation and Deep-Seated Gold Deposit Prospecting in Sanshandong-Jiaojia Area, Eastern Shandong Province, China

机译：鲁东三山洞-交家地区的物探-地质解释及深层金矿找矿

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摘要

Integrated gravitational, electrical-magnetic surveys and data processing carried out in the Sanshandao–Jiaojia area, Eastern Shandong Province, northeast China, aim to illuminate the geological characteristics of this shallow-covered area and delineate deep-seated gold prospecting targets. In this region, altogether 12 faults exert critical control on distribution of three types of Early Precambrian metamorphic rock series, i.e. those in the metamorphic rock area, in the granitic rock area underlying the metamorphic rock, and in the remnant metamorphic rock area in granites, respectively. Additionally, the faults have major effects on distribution of four Mesozoic Linglong rock bodies of granite, i.e. the Cangshang, Liangguo, Zhuqiao-Miaojia and Jincheng granites. The Sanshandao and Jiaojia Faults are two well-known regional ore-controlling faults; they have opposite dip direction, and intersect at a depth of 4500 m. Fracture alteration zones have striking geophysical differences relative to the surrounding county rocks. The two faults extend down along dip direction in a gentle wave form, and appear at some steps with different dips. These steps comprise favorable gold prospecting areas, consistent with a step metallogenic model. Six deep-seated gold-prospecting targets are delineated, i.e. Jincheng-Qianchenjia, Xiaoxizhuang-Zhaoxian, Xiyou-Wujiazhuangzi, Xiangyangling-Xinlicun, Panjiawuzi and Miaojia-Pinglidian.
机译：在中国东北的山东省东部的三山岛—交家地区进行了综合的重力，电磁测量和数据处理，目的是阐明该浅埋地区的地质特征，并勾勒出深部的金矿勘探目标。在该地区，共有12个断层对三种类型的前寒武纪变质岩系列（即变质岩区，变质岩下面的花岗岩区和残留的变质岩区）的分布进行了关键控制，分别。此外，这些断层对花岗岩的四个中生代玲珑岩体，即苍上，梁果，朱桥-苗家和晋城花岗岩的分布有重要影响。三山岛断裂和焦家断裂是两个著名的区域控矿断裂。它们具有相反的倾角方向，并且相交深度为4500 m。断裂蚀变带相对于周围的县级岩石具有明显的地球物理差异。这两个断层以缓和的波形沿倾角方向向下延伸，并以不同的倾角出现在某些台阶上。这些步骤包括有利的金矿探矿区，与阶梯成矿模型一致。划定了六个深层次的金矿勘探目标，即金城-钱陈家，小西庄-赵县，西游-五家庄子，襄阳岭-新里村，潘家五子和苗家-平里店。

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