It is reported that the gold reserves achieve about 350t in the proved up oxidized ore in our country.
据资料报道，我国已初步查明低品位氧化矿床中，金储量达350吨左右。
Recent years' geological exploration has confirmed that the proved copper reserves in Dabaoshan copper(silver) polymetallic ore field has reached middle scale.
云南维西大宝山铜（银）多金属矿区通过近年的地质勘查，探明的铜资源量已达中型规模。
Recent years' geological exploration has confirmed that the proved copper reserves in Dabaoshan copper(silver) polymetallic ore field has reached middle scale.
云南维西大宝山铜（银）多金属矿区通过近年的地质勘查，探明的铜资源量已达中型规模。
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