The origin of crackles during the advance of a working face is a factor of considerable importance for determining the relation between the hazard of seams and their seismo-acoustic activity.


Peri Adapter Geophone 

Literature Cited

  1. 1.
    I. I. Gurvich. Seismic Prospecting, Moscow, Gostoptekhizdat (1960).Google Scholar
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    M. S. Antsyferov, A. G. Konstantinov, and L. B. Pereverzev. Seismo-Acoustic Investigations in Coal Pits, Moscow, Izd. Akad. Nauk SSSR(1960).Google Scholar
  3. 3.
    M. S. Antsyferov and L. V. Pereversev. Seismo-acoustic apparatus for recording and investigating warning signs of sudden rock bursts of coal and gas, Tr. Geofiz. Inst. Akad. Nauk SSSR, No. 34(161) (1956).Google Scholar

Copyright information

© Consultants Bureau 1966

Authors and Affiliations

  • N. B. Parshikov

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