Statistical Recognition of Mobile Elements Anomaly in Geochemical Soil Samples from Concealed Deposit Area
详细信息
- 责任者：Yang Liqin (Gold Geological Research Institute ; CAPF ; Langfang 065000 ; China)
- 刊名：Computing Techniques for Geophysical and Geochemical Exploration
- 出版年：2011
- 卷期：33(2)
- 关键词：隐伏矿床 ; blind deposit ; 金属元素活动态提取法 ; selective leaching of mobile forms of metals
- 页码：p.184-188
- 图表：3 illus., 3 tables, 14 refs.
- 分类号：1500
- 出版序号：20120463
- issnNo：ISSN1001-1749
- isbnNo：CN51-1242/P
摘要
The calculation method of mobile elements anomaly limit (T) in geochemical soil samples from concealed deposit area was developed. The contrast value( Ci = xi/T) was defined and a statistical identifying mode of the anomaly was established (singular date was picked out when Ci > 1 ). The method was applied in Jinchang gold deposit area which laid in the forest and black-land zone. The result showed the mobile in Au anomaly values inosculated ideally with the Au deposits of known. Au anomaly scopes obtained corresponded with geological knowledge in the potential area, and some part was verified by the drill-engineering.
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