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APPROACH OF DETERMINING GEOCHEMICAL BASELINES: A STUDY CASE FROM PANZHIHUA REGION
teng yan guo 1; tuo xian guo 2; 3 ; ni shi jun 3; zhang cheng jiang 3; ma yu xiao 3 (1.institute of environmental sciences; beijing normal university; china; 2.faculty of earth sciences and resources; china university of geoscience; beijing; china; 3.college of applied nuclear technology and automation engineering; chengdu university of technology; china)
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