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冀东地区中元古界长城系高于庄组可划分为7个自然岩性段,硫等赋矿层位为其2~5段,由含锰页岩含锰白云岩含锰页岩含锰白云岩组成二个正旋回。高于庄组沉积早期(即下旋回第2段),在遵化北汤道河水下高地的阻隔下,形成了蓟县迁西泻湖,属封闭的还原环境,控制了“蓟县式”锰方硼石矿床。高于庄组沉积晚期(即上旋回第4段和第5段)沉积时期,高板河泻湖形成,由于泻湖南侧受北东东向同生断裂控制,北侧又受生物礁制约,在生物作用及滞流的还原环境下,形成了“高板河式”黄铁(铅锌)矿床。上旋回生物礁相和泻湖相区是寻找黄铁(铅锌)矿的靶区。
The Jidongzhuang Formation in the Middle Proterozoic of the eastern part of the Jidong area can be divided into seven natural lithology sections. The sulfur and other ore-bearing formations are located between two and five sections and are composed of manganese-bearing shale, manganese-bearing dolomite, manganese-bearing shale Manganese-bearing dolomite consists of two positive cycles. In the early stage of deposition of the Upper Yuzhuang Formation (ie, the second stage of the next cycle), the Jixian-Qianxi Lagoon was formed under the barrier of the subterranean highland of Zunhua-Beitangdaohe River. It was a closed reduction environment and controlled the “Jixian style” manganese Fang boron stone deposit. In the sedimentary period of the Gaozhuangzhuang sedimentary stage (ie, the 4th and 5th Upper Paleozoic), the Gaopanhe lagoon is formed. Due to the NE-trending syngenetic fracture control in the south of the lagoon and the reefs in the north, Biological role and stagnation restore the environment, the formation of a “high Banhe River” iron (lead-zinc) deposits. The upper cycle biocoagulation and lagoon facies are the targets for the search for pyrites (Pb-Zn).