【摘 要】
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As existing mines are running out of resources, efforts to find new ores have been fully initi- ated and breakthroughs have been reported. Currently,exploration
【出 处】
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China Nonferrous Metals Monthly
论文部分内容阅读
As existing mines are running out of resources, efforts to find new ores have been fully initi- ated and breakthroughs have been reported. Currently,exploration funds from the state and supporting enterprises poured into the efforts have amounted to over 930 million yuan.As a result,461,500 tons of copper and tin ore,1.56 million tons of manganese and 15 million tons of iron ore have been newly exploited.Yunnan may be a province rich in mineral resources,
As current mines are running out of resources, efforts to find new ores have been fully initiatedi- ated and breakthroughs have been reported. Currently, exploration funds from the state and supporting enterprises poured into the efforts have been to over 930 million yuan.As a result, 461,500 tons of copper and tin ore, 1.56 million tons of manganese and 15 million tons of iron ore have been newly exploited. Yunnan may be a province rich in mineral resources,
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