The Application of Trend Surface Analysis to Delineating Geochemical Anomalies in Longguan Area and Its Effect
详细信息
- 责任者：Li Bin (Institute of Geological Survey of Hebei Province ; Shijiazhuang 050081 ; China) ; Li Suimin
- 刊名：Geophysical and Geochemical Exploration
- 出版年：2012
- 卷期：36(2)
- 关键词：地球化学异常 ; geochemical anomaly ; 趋势面分析 ; trend-surface analysis ; 成矿预测 ; metallogenic prediction ; 河北 ; Hebei Province
- 页码：p.202-207
- 图表：6 illus., 2 tables, 12 refs.
- 分类号：1500
- 出版序号：20130451
- issnNo：ISSN1000-8918
- isbnNo：CN11-1906/P
摘要
Taking 1∶200 000 stream sediment survey data of Longguan area in Hebei Province as an example and by using trend surface analysis, the authors employed different orders of polynomial to fit the overall distribution trend of geochemical elements, recognized local anomalies and drew the anomaly distribution map. Based on a comparison with the traditional average method, this paper evaluated the application results of the trend surface method for Pb, Zn, Ag, Au and Cu, and then the paper provided reference for geochemical work in similar areas.
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