GEOLOGICAL CHARACTERISTICS, METALLOGENIC MODEL AND PROSPECTING CRITERIA OF DIANZI SILVER POLYMETALLIC DEPOSITS IN HULUDAO CITY
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摘要:
辽西葫芦岛市甸子银多金属矿区位于燕山台褶带辽西台陷与山海关台拱交接部位.矿区主要发育有中元古界蓟县系雾迷山组、新元古界青白口系景儿峪组地层，以北东向断裂构造为主，与成矿关系最密切的是中生代花岗斑岩，三位一体的有利成矿条件造就了葫芦岛甸子银多金属矿.通过对矿床地质特征的详细研究，建立了葫芦岛甸子银多金属矿成矿模式并总结了找矿标志.
Abstract:The Dianzi Ag-polymetallic orefield in Huludao City is located on the junction of Western Liaoning platform subsidence and Shanhaiguan anteklise in Yanshan platform folded zone. The Mesoproterozoic Jixianian Wumishan Formation and Neoproterozoic Qingbaikouan Jingeryu Formation are developed in the area, dominated by NE-trending fault, with Mesozoic granite porphyry closely related to the mineralization. The favorable metallogenic condition of stratigraphy-structure-magmatite contributes to the Dianzi Ag-polymetallic deposit. Both the metallogenic models and prospecting criteria are discussed with a detailed study on the geological characteristics.
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