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3 研究区土壤剖面测量含量特征

Table 3 Characterization of measured content of soil profiles in the study area

参数 土壤地球化学元素 元素 La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Y Sc Nb Ta 最小值/10-6 15 35.8 3.99 15.7 4.67 0.24 4.41 0.88 5.9 1.23 3.49 0.54 3.29 0.51 32.6 5 6.88 0.73 最大值/10-6 310 522 114 402 95.3 4.05 84.8 17.6 117 24.7 70.4 9.55 55.6 7.23 723 52.3 50.7 6.52 平均值/10-6 81.7 185.4 23.3 83 20.2 1.2 17.3 3.5 23.3 4.9 14.1 2.2 13.6 2 139.6 16.8 28 3.1 藏北地台 丰度/10-6 16.4 30.8 3.69 17.8 2.85 0.68 2.7 0.44 2.4 0.46 1.4 0.21 1.4 0.21 11.3 9.8 18 2.3 丰度系数 5 6 6.3 4.7 7.1 1.7 6.4 7.9 9.7 10.7 10.1 10.4 9.7 9.4 12.4 1.7 1.6 1.4