Every exploration geochemist must know how to chose and evaluate element anomaly after the results of regional geochemical exploration are obtained and then, determinate it.

• 区域化探成果出来以后，面对众多的元素异常，怎样挑选、评价异常，然后进行异常查证，指导找矿工作是每个化探工作者面临的问题。