As exemplified by the Zhangjiakou-West Beijing region, this paper describes the intensive mantle-crust uplift, which led to anomalous element background values for regional rocks (ores) and soils.

• 文章以张宣地区为例,阐述了由于该区强烈的幔壳隆升,导致区域性岩(矿)石、土壤的元素背景值异常,使得某些农作物、林果“优质高产”或“劣质低产”。