Abstract
Summary To find a stable and reliable site to store high level radioactive wastes, a 2-D seismic exploration test was carried out on a selected granite body. The aims were to determine the rock body’s boundary, and detect possible faults and heterogeneous bodies in it. Generally, it is difficult to get good imaging of the interior of a shallow magmatic rock body as there are no strong velocity contrast interfaces in it. In order to achieve the aims, careful data acquisition and processing were done. Besides traditional seismic imaging, scattering wave imaging and velocity independent data-driven imaging methods are also studied. The imaging profile presents a clear boundary of the rock body, and detailed information of the depth and inclination directions of faults including some new faults which are not recognized before. Also, the heterogeneous bodies are clearly revealed.
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