基于地质大数据技术对云南土壤重金属地质高背景区的划定
肖高强, 赵娟, 陈子万, 宋旭锋, 朱能刚

Delineation of areas with high geological background values of heavy metals in soils in Yunnan Province, China based on geological big data technology
XIAO Gao-Qiang, ZHAO Juan, CHEN Zi-Wan, SONG Xu-Feng, ZHU Neng-Gang
图1 云南省1∶25万土地质量地球化学调查工作程度
Fig.1 Map of 1∶250,000 geochemical survey of land quality in Yunnan Province