Abstract
The study area is located in the western part of the loess plateau of China where the climate is continental semiarid and typical loess ridges and hillocks are developed. It is a very difficult terrain for mineral exploration. Samples of drilling chips, loess and red soil, well and spring water, vegetation, and soil gas were collected. The results showed that Zn, Pb, Cu, Ag, As, Mo, Sb, Hg, S, and so forth were transported into the overburden in different ways. Efficient methods for geochemical exploration in the regions overlain by loess and red soil are established. Hydrogeochemical exploration can be used on a regional scale and soil gas and partial extractions of soil can be used for follow-up studies.
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