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J4 ›› 2002, Vol. 10 ›› Issue (4): 13-16.

• article • Previous Articles     Next Articles

THE EXPERIMENT OF MEDIUM2DEPTH2HOLE MINING IN BRECCIA TYPED GOLD DEPOSIT OF QIYUGOU CHENG

CHENG Wuchang ,ZHANG Hongmin   

  1. Jinyuan Gold Mining Co. Ltd. of Henan Province, Henan Song County  471400 , China
  • Received:2001-11-20 Revised:2001-11-29 Online:2002-08-28 Published:2012-05-30

Abstract:

To resolve the problem of mining in large thick ore body and recovery of ore pillar in Qiyugou mineral area ,two successful experiment s of medium-depth-hole mining have been made in 28 600 tons. From the result ,medium-depth-hole mining is a high effective method in mining low grade and t remendous breccia mass.

Key words: breccia mass, medium-depth-hole, experimentand study

CLC Number: 

  • TD853. 392
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