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| RESEARCH ON THE COLUMN STOPING OF THE XITIE MOUNTAIN LEAD-ZINC MINE 424 AND 430 STOPES |
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Received:October 24, 2006
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| KeyWord:partition vacant place method; the lower column to partition coming down method; extrusion blast |
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| Abstract: |
| The blasting defeat, the pillar caving in for the Xitie Mountain Lead-Zinc Mine 424 stope ore room cause filling the scrap rock in the column both sides depletion region, more than two hundred thousand tons high grade ores can not blast according to the original plan, then the lower column to partition coming down method is adopted. It is obtained the success, the maximum quantity of mineral deposits is stoped, the secondary dilution and the losses are reduced. A good beginning is found that the new mining method applied for the mine. |
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