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Seismic tomography in Monte Sinni (Sardinia, Italy) coal mine

机译：Monte Sinni（意大利撒丁岛）煤矿的地震层析成像

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摘要

Thanks to new "clean coal technologies", there is a renewed interest in coal and its exploitation: hence, to better evaluate a region's potentiality, and the difficulties of coal extraction, it is important to define geometry, setting and thickness of the coal seams within the embedding rocks in detail. Geophysical methods, and in particular seismic tomography across the tunnels, may provide the requested information. This paper presents the results of a seismic tomographic survey done in 2006 in the Monte Sinni mine, SW Sardinia, Italy. The tomographic velocity field obtained is compared with the coal-lithologies thickness after coal extraction. We conclude that there is an inverse correlation between seismic velocity and amount of coal, which confirms the validity of the tomographic approach in such field, and encourages to further optimize the acquisition and analysis procedures to gain a greater understanding of the mineralized seam setting and of its lateral variations.
机译：得益于新的“清洁煤炭技术”，人们对煤炭及其开采有了新的兴趣：因此，为了更好地评估该地区的潜力和煤炭开采的难度，定义煤层的几何形状，环境和厚度非常重要内嵌岩石的细节。地球物理方法，尤其是跨隧道的地震层析成像，可以提供所请求的信息。本文介绍了2006年在意大利西南撒丁岛的Monte Sinni矿山进行的地震层析成像调查的结果。将获得的层析速度场与提取后的煤岩性厚度进行比较。我们得出的结论是，地震速度与煤量之间存在反比关系，这证实了层析成像方法在该领域的有效性，并鼓励进一步优化采集和分析程序，以更好地理解矿化煤层环境和煤层气环境。它的横向变化。

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