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嵩县东湾金矿床赋存于中元古宇熊耳群鸡蛋坪组火山岩中,属岩浆热液蚀变岩型金矿床.矿区在原生晕研究方面存在一定空白,矿床受区域性大断裂控制,主矿体在垂向上的原生晕分带明显.通过对控矿断裂F1的地表、浅部坑道及深部钻孔中金矿脉及其围岩原生晕采样工作,及样品中Au,Ag,Cu,Pb,Zn,Co,Ni,Ba 8种元素的化学分析,得出Ba是金矿体的前缘指示元素,在矿体前缘和上部富集形成异常;Au,Ag,Cu,Pb,Zn是金矿体的近矿指示元素,在矿体上、中、下部富集形成异常;Co,Ni是矿体尾部指示元素,在矿体的下部富集形成异常.计算出矿体的垂直正向分带序列为Ba-Pb-Zn-Au-Ag-Co-Cu-Ni.推断该矿体的地表出露部分为矿体的中上部,深部有较大的找矿潜力.
The Dongwan gold deposit in Song County occurs in the volcanic rocks of the Eupaling Formation of the Neoproterozoic Xiong’er Group and belongs to the magmatic hydrothermal alteration rock type gold deposit. There are some gaps in the study of the primary halo in the mining area and the orebodies are controlled by regional major faults. The vertical halo primary zonation of the orebody is obvious.According to the sampling of the primary halo of the gold veins and its surrounding rock in the surface of the ore-controlling fault F1, the shallow tunnel and deep borehole, the Au, Ag, Cu, Pb , Zn, Co, Ni, Ba. It is concluded that Ba is the leading element of the gold ore body and enriched in the front and the upper part of the ore body. Au, Ag, Cu, Pb, Zn are The ore-bearing indicator elements of gold ore bodies are abnormally enriched in the upper, middle and lower parts of the ore body; Co, Ni are the indicator elements in the tail part of the ore bodies and are enriched in the lower part of the ore body to form anomalies, and the vertical normal direction The banding sequence is Ba-Pb-Zn-Au-Ag-Co-Cu-Ni. It is inferred that the exposed part of the ore body is the middle-upper part of the orebody, and the deeper part has larger potential for prospecting.