非负矩阵分解方法在水系沉积物地球化学数据处理中应用

张生元; 黄锐; 徐德义; 成秋明

Volume 34 Issue 2

Mar. 2009

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Article Navigation > Earth Science > 2009 > 34(2): 347-352

ZHANG Sheng-yuan, HUANG Rui, XU De-yi, CHENG Qiu-ming, 2009. Weighted Weights of Evidence and Stepwise Weights of Evidence and Their Applications in Sn-Cu Mineral Potential Mapping in Gejiu, Yunnan Province, China. Earth Science, 34(2): 347-352.

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Weighted Weights of Evidence and Stepwise Weights of Evidence and Their Applications in Sn-Cu Mineral Potential Mapping in Gejiu, Yunnan Province, China

1.
Institute of Natural Resource and Environment Engineering, Shijiazhuang University of Economics, Shijiazhuang 050031, China
2.
State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Wuhan 430074, China

Received Date: 2009-01-16
Publish Date: 2009-03-25

Abstract

Abstract

This paper explores the possibility of applying non-negative matrix factorization (NMF) to process stream sediment geochemical data for mineral exploration. The brief introduction of principle of NMF is followed by detailed comparison of the results obtained by NMF and principal component analysis (PCA) applied to a dataset of 813 samples with six trace elements from Gejiu mineral district, Yunnan, China. It is shown that the NMF is not only suitable for processing geochemical data which are usually of positive values but also provides superior results than that by PCA in the case study introduced in the paper. The example indicates that NMF might become a useful method for processing other types of geochemical data.
- non-negative matrix factorization,
- principal component analysis,
- geochemical data processing

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References(15)

References

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