覆盖区矿产资源地球化学勘查方法技术研究新进展
孙跃, 张振宇, 冯斌, 杨少平, 王之峰

Advancements in research on geochemical exploration methods and technologies for mineral resources in overburden areas
SUN Yue, ZHANG Zhen-Yu, FENG Bin, YANG Shao-Ping, WANG Zhi-Feng
表1 去本底处理前后泡塑中元素含量对照[3]
Table 1 Comparison of trace elements content foam plastic before and after the pretreatment[3]
参数 U Th Mo Pb Cr Cu Gd W
处理后泡塑/10-9 2.01 1.60 8.00 100.00 330.00 55.00 0.50 4.00
未处理泡塑/10-9 6.74 8.07 15.00 410.00 690.00 210.00 4.91 10.60
处理后与处理前含量比/% 29.82 19.83 53.33 24.39 47 83 26.19 10.18 37.74
研究区指示元素背景值/10-9 3.63 3.12 10.05 1.03
研究区指示元素异常下限/10-9 4.27 3.80 10.83 1.19