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Volume 22 Issue 2
Apr.  2011
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Active Source Tomography in Northwestern Xinjiang, China: Implication for Mineral Distribution

  • Received Date: 2017-03-21
  • The main aim of this work is to understand the distribution of minerals by obtaining a shallow velocity structure around the Karatungk (喀拉通克) region. Data were acquired in 2009 by a denser array in deploying a transportable seismometer with 4.5 Hz vertical geophone. All the P-wave arrival times are picked automatically with Akaike information criterion, and then checked man- machine interactively by short-receiver geometry. The database for local active-source tomographic inversion involves 4 241 P-wave arrival time readings from 96 shots and three quarry blasts. Checkerboard tests aimed at checking the reliability of the obtained velocity models are presented...
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Active Source Tomography in Northwestern Xinjiang, China: Implication for Mineral Distribution

  • 1. Tomographic Earth System Imaging Center, China University of Geosciences, Wuhan 430074, China
  • 2. Tomographic Earth System Imaging Center, China University of Geosciences, Wuhan 430074, China
  • 3. State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Wuhan 430074, China
  • 4. Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China

Abstract: The main aim of this work is to understand the distribution of minerals by obtaining a shallow velocity structure around the Karatungk (喀拉通克) region. Data were acquired in 2009 by a denser array in deploying a transportable seismometer with 4.5 Hz vertical geophone. All the P-wave arrival times are picked automatically with Akaike information criterion, and then checked man- machine interactively by short-receiver geometry. The database for local active-source tomographic inversion involves 4 241 P-wave arrival time readings from 96 shots and three quarry blasts. Checkerboard tests aimed at checking the reliability of the obtained velocity models are presented...

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