We use broadband records from a dense seismic network deployed in and around the Qaidam Basin in northwestern China to analyze the crustal phases and investigate the depth of the Conrad and Moho discontinuities as wel...We use broadband records from a dense seismic network deployed in and around the Qaidam Basin in northwestern China to analyze the crustal phases and investigate the depth of the Conrad and Moho discontinuities as well as the P-wave velocity.Waveform cross-correlation is used to assist in the identification of the crustal phases and in determining their arrival times.Depth of the Conrad discontinuity is determined by fitting the travel times of Conrad-diffracted P-waves using a two-layer model.The depth of the Conrad discontinuity under the eastern part of the basin is shallower than the western part,which can be attributed to different crustal shortening mechanisms.The upper crust shortening in the western part of the basin leads to thickening of the upper crust,while multiple thrust faults result in the rise of the Conrad discontinuity in the east.These two different mechanisms determine the depth change of the Conrad discontinuity in the basin from the west to the east,which is supported by the results in this study.展开更多
The Paper analyze the skeptical elements in Nostromo through mostly the analysis of the values held by different character and their respective destiny.Conrad expresses his skepticism towards material interest through...The Paper analyze the skeptical elements in Nostromo through mostly the analysis of the values held by different character and their respective destiny.Conrad expresses his skepticism towards material interest through the character of Charles Gould,who firmly believes that material interests alone can bring order and peace to the country.But his success is temporary.Eventually success of his silver mine not only intensifies political conflicts but also brings him disillusionment and loneliness.展开更多
基金supported by the National Natural Science Foundation of China(Grant Number 41930103,41674052).
文摘We use broadband records from a dense seismic network deployed in and around the Qaidam Basin in northwestern China to analyze the crustal phases and investigate the depth of the Conrad and Moho discontinuities as well as the P-wave velocity.Waveform cross-correlation is used to assist in the identification of the crustal phases and in determining their arrival times.Depth of the Conrad discontinuity is determined by fitting the travel times of Conrad-diffracted P-waves using a two-layer model.The depth of the Conrad discontinuity under the eastern part of the basin is shallower than the western part,which can be attributed to different crustal shortening mechanisms.The upper crust shortening in the western part of the basin leads to thickening of the upper crust,while multiple thrust faults result in the rise of the Conrad discontinuity in the east.These two different mechanisms determine the depth change of the Conrad discontinuity in the basin from the west to the east,which is supported by the results in this study.
文摘The Paper analyze the skeptical elements in Nostromo through mostly the analysis of the values held by different character and their respective destiny.Conrad expresses his skepticism towards material interest through the character of Charles Gould,who firmly believes that material interests alone can bring order and peace to the country.But his success is temporary.Eventually success of his silver mine not only intensifies political conflicts but also brings him disillusionment and loneliness.
