RESEARCHES ON THE ORE RECOVERY LAW IN UN-DILUTION DRAWING TEST AT JINGTIESHAN IRON MINE
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Abstract
On the basis of the results of theorical and experimental researches, the ore recovery law in un-dilution draning test at Jingtieshan lron Mine is analysed. The researches have shown that using the un - dilution drauing under the production conditions of Jingtieshan and similar mines can overcome the great dilution in sublerel caving mining without floor pillars with sufficient recovery.
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