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Body Wave Tomography for Regional Scale Assessment of Geothermal Indicators in the Western Great Basin

机译:体波层析成像技术在西部大盆地的地热指示剂区域评估中的应用

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摘要

Body and surface wave tomography are two of the primary methods for estimation of regional scale seismic velocity variations. Seismic velocity is affected by temperature and rock composition in complex ways, but when combined with geologic and structural maps, relative temperature can in some cases be estimated. We present preliminary tomographic models for compressional and shear-wave velocity using local and regional earthquakes recorded by Earthscope Transportable Array stations, network stations operated by the Nevada Seismological Laboratory, and other stations of opportunity in the western Great Basin. Preliminary results show correlations with notable geologic structures in eastern California and western Nevada.
机译:体波层析和表面波层析成像是估计区域尺度地震速度变化的两种主要方法。地震速度以复杂的方式受温度和岩石成分的影响,但结合地质和结构图,在某些情况下可以估算相对温度。我们提供了使用Earthscope可移动阵列台站,内华达地震实验室运营的网络台站以及大西部大西部其他机会台站记录的局部和区域地震的初步断层层析成像模型。初步结果表明,它与加利福尼亚东部和内华达州西部的明显地质构造具有相关性。

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