These two methods have been widely investigated for their usefulness and suitability for strategic reconnaissance surveys with wide-spaced sampling for delineation of broad geochemical patterns generating from concealed giant ore deposits.

• 其结果表明：(1)隐伏大型特大型矿床四周巨大的地球化学模式可以被各种营力搬运至地表，地气对超微量金属的搬运是厚覆盖区隐伏矿床在地表形成叠加含量地球化学异常的主要原因。