重磁边界识别方法在西准噶尔地区三维地质填图中的应用

张壹; 张双喜; 梁青; 陈超

doi:10.3799/dqkx.2015.035

Volume 40 Issue 3

Mar. 2015

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Zhang Yi, Zhang Shuangxi, Liang Qing, Chen Chao, 2015. Application of Boundary Identifying Technologies Using Gravity and Magnetic Maps in Three-Dimensional Geological Mapping of Western Junggar Area. Earth Science, 40(3): 431-440. doi: 10.3799/dqkx.2015.035

Citation:

Zhang Yi, Zhang Shuangxi, Liang Qing, Chen Chao, 2015. Application of Boundary Identifying Technologies Using Gravity and Magnetic Maps in Three-Dimensional Geological Mapping of Western Junggar Area. Earth Science, 40(3): 431-440. doi: 10.3799/dqkx.2015.035

Citation:

Zhang Yi, Zhang Shuangxi, Liang Qing, Chen Chao, 2015. Application of Boundary Identifying Technologies Using Gravity and Magnetic Maps in Three-Dimensional Geological Mapping of Western Junggar Area. Earth Science, 40(3): 431-440. doi: 10.3799/dqkx.2015.035

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Application of Boundary Identifying Technologies Using Gravity and Magnetic Maps in Three-Dimensional Geological Mapping of Western Junggar Area

doi: 10.3799/dqkx.2015.035

Zhang Yi^1
,,
Zhang Shuangxi¹,
Liang Qing^{1, 2},
Chen Chao^{1, 2
,
,}

1.
Institute of Geophysics & Geomatics, China University of Geosciences, Wuhan 430074, China
2.
Hubei Subsurface Multi-Scale Imaging Lab, China University of Geosciences, Wuhan 430074, China

Received Date: 2014-04-05
Publish Date: 2015-03-15

Abstract

Abstract

In this paper, four edge-detection methods including normalized deviation (ND) method, a new one proposed by us, are studied for their applications in 3-D mapping. The ND method is featured with low sensitivity to the noise, high accuracy and detailed results. On the basis of the theoretical framework of these methods, we tested their accuracy with synthetic models and gained more information of the geological boundaries by the combination of different methods and edge detecting on multi-scale, which shows good performance. Then we used them in field data of the Karamay back mountain area to get the distribution of faults and rock masses, strikes and depths. The spatial features of some major faults and rock masses are described, which delivers useful information for the 3-D geological mapping of the study area.
- gravity and magnetic anomalies,
- edge detection,
- western Junggar area,
- 3-D geological mapping,
- fault,
- rock mass,
- geophysics

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References(33)

References

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