基于多道伽马能谱测量的离子吸附型稀土矿放射性勘查方法研究——以攀西德昌地区为例

李怀远, 聂飞, 蒋首进, 胡俊峰, 邹佳作, 郭金晨

An exploration method for the radiation of ion adsorption-type rare earth element deposits based on multi-channel gamma-ray spectrometry: A case study of the Dechang area in the Panzhihua-Xichang region

LI Huai-Yuan, NIE Fei, JIANG Shou-Jin, HU Jun-Feng, ZOU Jia-Zuo, GUO Jin-Chen

表1 研究区主要地质体伽马能谱参数特征

Table 1 Gamma-ray spectrum parameters of major geologic bodies in the study area

代号 铀含量/10-6 钍含量/10-6 钾含量/10-6 异常上限/10-6 频数 X - S CV X - S CV X - S CV U Th K Q 4.98 1.88 0.38 18.85 9.02 0.48 2.12 1.04 0.49 7.35 26.39 3.63 41 Pt2R 7.90 2.47 0.31 28.64 10.87 0.38 3.81 1.31 0.34 7.90 64.47 6.64 243 Pt2K 7.45 2.31 0.31 30.64 10.44 0.34 3.71 1.24 0.33 16.91 68.33 7.37 1159 Pt2M 11.07 2.49 0.23 34.01 11.69 0.34 5.98 1.37 0.23 11.07 60.06 5.98 15 Q 7.09 2.12 0.29 24.7 7.98 0.32 3.29 0.98 0.29 16.58 65.98 6.25 755 平均值 7.28 2.33 0.32 28.01 10.47 0.37 3.56 1.25 0.35