Global Geology    2018 21 (1): 36-47   ISSN: 1673-9736  CN: 22-1371/P  

Application of isolation forest to extract multivariate anomalies from geochemical exploration data
WU Wei1, CHEN Yongliang2
1. Changchun Institute of Urban Planning and Design, Changchun 130033, China;
2. Institute of Mineral Resources Prognosis on Synthetic Information, Jilin University, Changchun 130026, China
收稿日期 2017-10-25  修回日期 2017-11-20  网络版发布日期 null
参考文献  Chen H W, Luo Z H, Mo X X,et al. 2006. SHRIMP ages of Kayakedengtage complex in the East Kunlun Mountains and their geological implications.Acta Petrologica et Mineralogica,25(1):25-32. (in Chinese with English Abstract)
Chen Y L. 2015. Mineral potential mapping with a restricted Boltzmann machine.Ore Geology Reviews,71:749-760.
Chen Y L, An A J. 2016. Application of ant colony algorithm to geochemical anomaly detection.Journal of Geochemical Exploration,164:75-85.
Chen Y L, Wu W. 2016. A prospecting cost-benefit strategy for mineral potential mapping based on ROC curve analysis.Ore Geology Reviews,74:26-38.
Chen Y L, Wu W. 2017a. Mineral prospectivity mapping using an extreme learning machine regression.Ore Geology Reviews,80:200-213.
Chen Y L, Wu W. 2017b. Application of one-class support vector machine to quickly identify multivariate anomalies from geochemical exploration data.Geochemistry:Exploration, Environment, Analysis,17:231-238.
Chen Y L, Lu L J, Li X B. 2014a. Kernel Mahalanobis distance for multivariate geochemical anomaly recognition.Journal of Jilin University (Earth Science Edition),44(1):396-408. (in Chinese with English Abstract)
Chen Y L, Lu L J, Li X B. 2014b. Application of continuous restricted Boltzmann machine to identify multivariate geochemical anomaly.Journal of Geochemical Exploration,140:56-63.
Cheng Q. 1995. The perimeter-area fractal model and its application to geology.Mathematical Geology, 27(1):69-82.
Cheng Q. 2006. Singularity-generalized self-similarity-fractal spectrum (3S) model.Earth Sciences-China University of Geosciences,31(3):337-348. (in Chinese with English Abstract)
Cheng Q. 2007. Mapping singularities with stream sediment geochemical data for prediction of undiscovered mineral deposits in Gejiu, Yunnan Province, China.Ore Geology Reviews,32:314-324.
Cheng Q. 2008. Non-linear theory and power-law models for information integration and mineral resources quantitative assessments.Mathematical Geology,40(3):503-532.
Cheng Q, Agterberg F P. 1995. Multifractal modeling and spatial point processes. Mathematical Geology, 27(6):831-845.
Cheng Q, Agterberg F P, Ballantyne S B. 1994. The separation of geochemical anomalies from background by fractal methods.Journal of Geochemical Exploration,51:109-130.
Cheng Q, Agterberg F P, Bonham-Carter G F. 1996. A spatial analysis method for geochemical anomaly separation.Journal of Geochemical Exploration,56:183-195.
Cheng Q, Xu Y, Grunsky E. 2000. Multifractal power spectrum-area method for geochemical anomaly separation.Natural Resources Research,9(1):43-51.
Deng J, Wang Q, Yang L,et al. 2010. Delineation and explanation of geochemical anomalies using fractal models in the Heqing area, Yunnan Province, China.Journal of Geochemical Exploration,105:95-105.
Du Y L, Jia Q Z, Han S F. 2012. Mesozoic tectono-magmatic-mineralization and copper-gold polymetallic ore prospecting research in east Kunlun metallogenic belt in Qinghai.Northwestern Geology,45(4):69-75. (in Chinese with English Abstract)
Galuszka A. 2007. A review of geochemical background concepts and an example using data from Poland.Environmental Geology,52(5):861-870.
Govett G J S, Goodfellow W D, Chapman A,et al. 1975. Exploration geochemistry distribution of elements and recognition of anomalies.Mathematical Geology,7(3):415-446.
Grunsky E C, Agterberg F P. 1988. Spatial and multivariate analysis of geochemical data from metavolcanic rocks in the Ben Nevis Area, Ontario.Mathematical Geology,20(7):825-861.
Kong D Y, Hu Y. 2014. Geological characteristics and ore-controlling factors of the Xiarihamu copper polymetallic deposit.Journal of Qinghai University (Natural Science Edition),32(6):63-66. (in Chinese with English Abstract)
Li Q, Cheng Q. 2004. Fractal singular-value (eigen-value) decomposition method for geophysical and geochemical anomaly reconstruction.Earth Sciences-China University of Geosciences,29(1):109-118. (in Chinese with English Abstract)
Liu F T, Ting K M, Zhou Z H. 2008. Isolation forest//Proceedings of the Eighth IEEE International Conference on Data Mining (ICDM), 413-422.
Meng X W. 1993. Single-variate factor kriging for geochemical field separation.Geology and Prospecting,29(2):47-50. (in Chinese with English Abstract)
Meng X W. 1994. Robust kriging and its application in delineation of geochemical anomalies with scale of 1:50000.Computing Techniques for Geophysical and Geochemical Exploration,16(1):72-76. (in Chinese with English Abstract)
Stanley C R, Sinclair A J. 1989. Comparison of probability plots and gap statistics in the selection of threshold for exploration geochemistry data.Journal of Geochemical Exploration,32:355-357.
Wang G, Sun F Y, Li B L,et al. 2014. Petrography, zircon U-Pb geochronology and geochemistry of the mafic-ultramafic intrusions in the Xiarihamu Cu-Ni deposit from East Kunlun, with implications for geodynamic setting.Earth Science Frontiers,21(6):381-401. (in Chinese with English Abstract)
Xiong Y H, Zuo R G. 2016. Recognition of geochemical anomalies using a deep autoencoder network.Computers & Geosciences, 86:75-82.
Zheng J K. 1992. Regional tectonic evolution of east Kunlun.Qinghai Geology,1(1):17-25. (in Chinese with English Abstract)
Zuo R, Cheng Q, Agterberg F P,et al. 2009. Application of singularity mapping technique to identify local anomalies using stream sediment geochemical data, a case study from Gangdese, Tibet, western China.Journal of Geochemical Exploration,101:355-357.

通讯作者: CHEN Yongliang