In order to forecast the location of the buried ore-bodies in grasslands,the authors use the geophysical exploration methods of VLF-EM and EH4 conductivity image system.

• 草原区一般第四纪覆盖严重,为在草原浅层覆盖区有效地寻找、定位隐伏矿体,利用甚低频电磁法和EH4电磁成像系统开展了地球物理勘查工作。