Identification of the anomaly component using BEMD combined with PCA from element concentrations in

• 作 者: Yongqing Chen Lina Zhang Binbi
• 机 构: SchooloftheEarthSciencesandResources,CNPCLoggingApplicationResearchInstitute,SinomineResourceGroupCo
• 出 处: 地学前缘:英文版
• 发表日期: 2019年4期
• 关键词: Bi-dimensional empirical mode decomposition(BEMD) Principal COMPONENT analysis(P
• 基金项目: the National Natural Science Foundation of China(Grant Nos.41672329,41272365),the National Key Research and Development Project of China(Grant No.2016YFC0600509),the Project of China Geological Survey

Concentration of elements or element groups in a geological body is the result of multiple stages of rockforming and ore-forming geological processes.An ore-forming element group can be identified by PCA(principal component analysis)and be separated into