Through comparison of the minerals and ore body's form variations before and after the stope's “second termination” has been used, this paper briefly describes the important functions of stope's “second termination” in mining geological work, and puts forward the basic practice and matters needing attention of stope's “second termination”.

Seismic data acquisition system using ocean bottom cable:quality evaluation of first-break secondary positioning result;

Application of secondary positioning technique in OBC exploration operation;