研究区位于陕西省宁强县北西太阳岭-清河一带,具有较好的找矿前景.本文以土壤地球化学测量成果为依据,利用元素变异系数、浓集系数等方法对宁强曹家沟地区 10 种元素地球化学特征进行了统计,运用 R 型聚类分析方法对元素的共生组合关系进行了分析.结果表明:区内 Cu、Au、Mn、Mo、Zn等元素具有一定的找矿潜力,Au元素可能是研究区主要的成矿矿种.根据元素异常组合分布规律及成矿地质条件,共圈定综合异常 2 处,初步划分出 2 个金矿(化)体,该区找矿前景较好.
Soil geochemical characteristics and prospects of gold prospecting in Caojiagou area,Ningqiang,Shaanxi
The study area is located in Taiyangling-Qinghe area,northwest of Ningqiang County,Shaanxi Province,and has good prospecting prospects.Based on the results of soil geochemical survey,the geochemical characteristics of 10 elements in Caojiagou area of Ningqiang are statistically analyzed by using the methods of variation coefficient and concentration coefficient of the elements,and the symbiotic association relationship of elements is analyzed by using the R-type cluster analysis method.The results show that Cu,Au,Mn,Mo,Zn and other elements in the area have certain prospecting potential,and Au may be the main ore-forming minerenic element in the study area.Based on the distribution pattern of element anomaly combinations and the geological conditions of mineralization,a total of 2 comprehensive anomalies have been delineated,and 2 gold mineralization bodies have been preliminarily divided,the prospecting prospect in this area is good.
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