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THE APPLICATION OF SEISMIC EXPLORATION TECHNOLOGY TO INTEPRETING NAPPE OVERTHRUST STRUCTURE IN COALFIELD |
CAO jie |
Shanxi Province Coal Geology Geophysical Prospecting and Surveying and Mapping Institute, Jinzhong 030600, China |
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Abstract In order to find out the strike of F1-2 fault set and the coal seam undulation morphology as well as the structure distribution under its nappe structure in the Weijiadi coal mine of Baiyin City, the author conducted three-dimensional seismic exploration. Taking into account the complex seismic geological conditions of the study area, the author adopted corresponding technical measures for data acquisition and processing and obtained high-quality three-dimensional data. In the process of data interpretation, the means of adopting seismic data interpretation assisted by seismic attribute interpretation was employed. As a result, the interpreted geological and structural characteristics under the nappe overthrust structure are fairly obvious, and the distribution range of the fault coal is delineated.
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Received: 30 August 2012
Published: 10 November 2012
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