Volume 6 Issue 3
Sep.  2000
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Article Navigation >  Journal of Geomechanics  > 2000  >  6(3): 1-13
CHEN Qing-xuan, REN Xi-fei, LU Gu-xian, et al., 2000. A SEMINAR ON ANOMALOUS PRESSURE IN THE CRUST. Journal of Geomechanics, 6 (3): 1-13.
Citation: CHEN Qing-xuan, REN Xi-fei, LU Gu-xian, et al., 2000. A SEMINAR ON ANOMALOUS PRESSURE IN THE CRUST. Journal of Geomechanics, 6 (3): 1-13.
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A SEMINAR ON ANOMALOUS PRESSURE IN THE CRUST

  • 1. Institute of Geomechanics, CAGS, Beijing 100081, China;

  • 2. Department of Geology, Peking University, Beijing 100871, China;

  • 3. Chinese University of Geosciences, Wuhan 430074, China;

  • 4. Institute of Geology, CAGS, Beijing 100037, China;

  • 5. Chinese University of Geosciences, Beijing 100083, China;

  • 6. Ministry of Land and Resources, Beijing 100035, China;

  • 7. Ministry of Science and Technology, Beijing 100038, China

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    Abstract
  • Papers collected in this volume are focusing on anomalous pressures present in the crust. Some theoretical considerations and calculations of pressures at certain depths are proposed.
    The pressure-depth relation can generally be obtained from a certain density-depth distributaion in the region. It is known from stress measurements that the horizontal stress is almost always great than the vertical stress. This indicates that tectonic stress may play some important role in the stress state.
    Furthermore,some other additional stresses may also be generated by facies changes,metamorphism,crystallization in the crust. How the UHPM rocks now exposed at the surface were formed is open to discussion. Lu et at (1988) proposed a method for determination of pressure at some depth.

     

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