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研究区13个金矿床／点，24个自然金样品，161个点的电子探针测试表明，区内自然金成色平均值几乎均大于900％0，属高成色；自形晶比它形晶的金银含量均匀；位于交代前峰的金成色比尾部低，包体金随主矿物的种类不同成色不同。银是金中最主要的杂质元素；铋在该区金中具有很高的富集程度，是影响成色的主要因素。本区与湖南相比，具有地层越老、成色越高、银含量越低的共同规律，而成色高低与成矿时间和温度的关系较前人总结的规律出入甚大；比值关系表明，前者变化范围很小，后者很大，碱金属含量变化对前者影响不大。
Electron microprobe tests of 13 gold deposits / 24 gold samples and 161 spots in the study area showed that the average natural gold color in the area was almost over 900% Of the gold and silver content is uniform; located in the pre-peak gold than the tail of the lower tail, gold with different types of host minerals of different quality. Silver is the most important impurity element in gold; bismuth is highly enriched in gold in this area, which is the main factor affecting the color formation. Compared with Hunan, this area has the common law of the older strata, the higher the fineness, and the lower the silver content, while the relationship between the height of fineness and the time and temperature of mineralization has a great discrepancy compared with the laws summarized by the predecessors. The ratio shows that the former changes The range is small, the latter is very large, alkali content changes have little effect on the former.