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| An analysis of the geochemcial anomaly in Zoumayi-Dahenan area along Shanghuangqi-Wulonggou faulted belt |
Xiu-Zhi ZHANG( ), Jun-Da WANG, Cheng-Gang ZHANG, Xiao-Yang XIE |
| Geological Survey Institute of Hebei Province, Shijiazhuang 050081, China |
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Abstract The Shanghuangqi-Wulonggou faulted belt is an important tectonic-magmatic-metallogenic belt in North China. Based on 1:250000 stream sediment geochemical survey in Weixian Sheet of Hebei Province, the authors obtained content data of 39 kinds of elements for factor analysis, and made an analysis of stream sediment geochemical anomalies in Zoumayi-Dahenan area along Shanghuangqi-Wulonggou faulted belt. The three geochemical anomaly series of Mo-W-Bi-Cu, Pb-Zn-Ag-Cd and Au-Hg-Agshow very intimate relationship with regional structure, magmatic rocks and metallogenic process. The results obtained by the authors effectively solve the problem of the difficulty in determining element association and spatial distribution of the anomaly due to the superimposition of various elements and hence can provide reference for arrangement of geochemcial exploration and study of regional metallogenic regularity.
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Received: 21 December 2016
Published: 20 February 2018
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| 因子组合 | F1 | F2 | F3 | F4 | F5 | F6 | F7 | F8 | 元素组合及
因子载荷 | Nb(0.88) | Sr(0.83) | Cd(0.94) | Ni(0.93) | F(0.89) | Au(0.75) | W(0.69) | As(0.83) | | Be(0.87) | Ba(0.76) | Zn(0.87) | Cr(0.90) | Li(0.81) | Hg(0.73) | Mo(0.67) | Sb(0.71) | | K2O(0.87) | P(0.75) | Pb(0.83) | Co(0.90) | | Ag(0.43) | Bi(0.67) | Na2O(-0.54) | | U(0.82) | Na2O(0.61) | Ag(0.64) | Fe2O3(0.82) | | | Cu(0.45) | | | Th(0.79) | | | V(0.75) | | | | | | La(0.77) | | | | | | | | | Zr(0.74) | | | | | | | | | Y(0.69) | | | | | | | | | 方差贡献/% | 30.48 | 12.26 | 10.03 | 8.26 | 3.89 | 3.72 | 3.45 | 3.23 | | 累计方差贡献/% | 30.48 | 42.74 | 52.77 | 61.03 | 64.92 | 68.64 | 72.09 | 75.32 |
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| 矿床名称 | 成因类型 | 矿物组合 | 成矿元素 | 主要异常元素 | | 浮图峪铜钼矿 | 斑岩~矽卡岩型高(中)
温热液型 | 黄铜矿,辉钼矿、辉银矿、黄铁矿、闪锌矿 | Cu、Mo | Cu、Mo、W、Bi、Pb、Zn、Cd、Ag、Au | | 木吉村钼矿 | 斑岩—矽卡岩型高(中)
温热液型 | 黄铜矿、黄铁矿、辉钼矿 | Mo、Cu | Cu、Mo、W、Au、Ag、Zn、Bi | | 鎌巴岭铅锌矿 | 中—低温热液脉型 | 闪锌矿、方铅矿、黄铜矿、毒砂、辉银矿和自然金等 | Pb、Zn | Pb、Zn、Ag、Cd、Au、Bi、Cu、Hg、Sb、Mo | 金硐塔—上明峪
金矿矿集区 | 石英脉+蚀变岩型 | 黄铁矿、黄铜矿(偶见)、辉银矿和自然金等 | Au | Au、Hg、Bi、Ag、Cu、Pb、Zn、Mo、W |
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