冀东龙辛庄一带岩石地球化学特征及其地质意义

    Geochemical characteristics and geological significance of rocks in the Longxinzhuang Area of Eastern Hebei Province

    • 摘要: 龙辛庄地区位于冀东金厂峪-宽城铧尖金矿重点勘查区内,具有良好的找矿前景。为探讨研究区找矿潜力,开展了地表岩石测量工作,分析Au、Ag、Cu、Pb、Zn、As、Sb、Hg等8个元素。研究表明:Au与As、Sb呈较好的正相关,在成矿热液中共同迁移、富集,As、Sb对找Au有指示意义。主因子F1(Au、As、Sb)为主成矿阶段,表明金的成矿作用与硫化物密切相关。经工程验证,发现两条含金脉带,反映该地区有较好的找矿潜力。

       

      Abstract: The Longxinzhuang Area is located within the key exploration zone of the Jidong Jinchangyu-Kuancheng Huajian Gold Mine, and it has a promising prospect for mineral exploration. To explore the mineral exploration potential of the study area, surface rock measurement work is carried out, and eight elements including Au, Ag, Cu, Pb, Zn, As, Sb, and Hg are analyzed. The research shows that Au and As Sb shows a good positive correlation and migrates and accumulates together in the ore-forming hydrothermal fluid. As Sb has an indicative main factor F1(Au, As, Sb) for the exploration of Au, which is the main ore-forming stage, indicating that the mineralization of gold is closely related to sulfides. Through engineering verification, two gold-bearing vein zones are discovered, reflecting that this area has good potential for mineral exploration.

       

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