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据地矿部提供的资料显示,1997年上半年,我国地质勘查成果突出、新发现矿产地15处。云南思茅大平
According to the information provided by the Ministry of Mines, in the first half of 1997, the achievements in geological prospecting in our country were outstanding with 15 newly discovered mineral deposits. Yunnan Simao Daping