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YUAN Jing. The Property and Geological Significance of Seismites of Paleogene in Huimin Sag,Shandong Province[J]. Acta Sedimentologica Sinica, 2004, 22(1): 41-46.
Citation: YUAN Jing. The Property and Geological Significance of Seismites of Paleogene in Huimin Sag,Shandong Province[J]. Acta Sedimentologica Sinica, 2004, 22(1): 41-46.

The Property and Geological Significance of Seismites of Paleogene in Huimin Sag,Shandong Province

  • Received Date: 2003-01-02
  • Rev Recd Date: 2003-04-15
  • Publish Date: 2004-03-10
  • This paper discussed the sedimentary property, vertical sequence and geological significance of seismites of Paleogene in Huimin sag, Shandong Province. Seismite is a kind of catastrophic event rock, being the terrane with ancient earthquake records. Huimin sag was a fault lake in Paleogenein Bohaiwan basin. The sandstones and mudstones were the main sedimentary rocks with in the sag. Many typical deformation structures were caused by widespread earthquake in the sag. They were syn sedimentary microfactures (includingfault graded), seismic fissure bed, sandstone vein, water escape structure, "pillow structure", ball structure, convolute lamination, load structure and flame structure, etc. The vertical sequence of seismite of petroclastic rock in Paleogene in Huimin sag, from bottom to top, included 6 units: underlying unshocked layer, fissure layer, microfold layer, pillow structure and partner structure layer, liquefied homogeneous layer and overlying unshocked layer. Thecompletenessof the vertical sequence dependsonthe location of section, seismic level, especially the lithology. It is of important geologicalsignificance to study seismite. Most seismites in Paleogene in Huimin sag developed near the peripheral faults and central fault zone of the sag. The mass appearanceof seismites reflected the intensively active period of basin-controlling boundary faults, andcan be used to interpret the tectonic evolvement of fault basin. The seismites in fault basin can be likely reservoir for their specialtectonic location and structures.
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  • Received:  2003-01-02
  • Revised:  2003-04-15
  • Published:  2004-03-10

The Property and Geological Significance of Seismites of Paleogene in Huimin Sag,Shandong Province

Abstract: This paper discussed the sedimentary property, vertical sequence and geological significance of seismites of Paleogene in Huimin sag, Shandong Province. Seismite is a kind of catastrophic event rock, being the terrane with ancient earthquake records. Huimin sag was a fault lake in Paleogenein Bohaiwan basin. The sandstones and mudstones were the main sedimentary rocks with in the sag. Many typical deformation structures were caused by widespread earthquake in the sag. They were syn sedimentary microfactures (includingfault graded), seismic fissure bed, sandstone vein, water escape structure, "pillow structure", ball structure, convolute lamination, load structure and flame structure, etc. The vertical sequence of seismite of petroclastic rock in Paleogene in Huimin sag, from bottom to top, included 6 units: underlying unshocked layer, fissure layer, microfold layer, pillow structure and partner structure layer, liquefied homogeneous layer and overlying unshocked layer. Thecompletenessof the vertical sequence dependsonthe location of section, seismic level, especially the lithology. It is of important geologicalsignificance to study seismite. Most seismites in Paleogene in Huimin sag developed near the peripheral faults and central fault zone of the sag. The mass appearanceof seismites reflected the intensively active period of basin-controlling boundary faults, andcan be used to interpret the tectonic evolvement of fault basin. The seismites in fault basin can be likely reservoir for their specialtectonic location and structures.

YUAN Jing. The Property and Geological Significance of Seismites of Paleogene in Huimin Sag,Shandong Province[J]. Acta Sedimentologica Sinica, 2004, 22(1): 41-46.
Citation: YUAN Jing. The Property and Geological Significance of Seismites of Paleogene in Huimin Sag,Shandong Province[J]. Acta Sedimentologica Sinica, 2004, 22(1): 41-46.
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