A DISCUSSION ON METHODS AND TECHNIQUES FOR 1:200000 GEOCHEMICAL EXPLORATION IN WEICHANG SHEET, HEBEI PROVINCE
ZHANG Hua1, ZHANG Yu-ling2, SHI Xin-min2
1. Institute of Geophysical and Geochemical Exploration, CAGS, Langfang065000, China;
2. Hebei Institute of Geophysical Exploration, Langfang 065000, China
Since the beginning of 1980s, 1:200000 geochemical exploration in Weichang sheet of Hebei Province has experienced three times of prospecting work. Different methods and techniques yielded obviously different results. This paper has made a fairly thorough analysis on the methods and techniques used as well as their effects, and pointed out the importance of researches on methods and techniques in 1:200000 geochemical exploration.