J4 ›› 2011, Vol. 41 ›› Issue (3): 753-758.

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The Systemic Error Correction of Regional Geochemical Mapping Data Based on Geological Background Analysis

ZHOU Yong-heng,LI Shou-yi,ZHANG Jing,XU Shan   

  1. College of Earth Sciences,Jilin University,Changchun130061,China
  • Received:2010-10-11 Online:2011-05-26 Published:2011-05-26

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Abstract:

In order to ensure the systemic error correction of regional geochemical data more according with to the geological reality, the relationship between geologocal background and regional geochemical data is studied. The conclusion has been drawn that regional geochemical data of congeneric geologic bodies in uniform geologic background originated from the common population and have similar characteristics. The method of the systemic error correction of regional geochemical mapping data based on geological background analysis is proposed. The basic principle and method processing of the method are also suggested.The application of the method to map-serging of three Ag element regional geochemical maps of 1∶200 000 confirms that the systemic error correction is available and favorable to both interpretation and application of regional geochemical maps.

Key words: map merging, systemic error, data correation, geological background

CLC Number: 

  • P628.1
[1] Ye Tianzhu. Theoretical Framework of Methodology of Deposit Modeling and Integrated Geological Information for Mineral Resource Potential Assessment [J]. Journal of Jilin University(Earth Science Edition), 2013, 43(4): 1053-1072.
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