The Bainiuchang Ag deposit is a large Ag-Sn-pb-Zn deposit discovered and explored in recent years.
白牛厂银矿是近年发现探明的一大型银锡铅锌矿床。
According to the historical materials, the famous Gejiu Sn deposit was first exploited for Ag(Pb) Zn ore at Yindongkuang of Laochang orefield in 1290.
著名的个旧锡矿，据史料在元廿七年（12 90年） ，率先在老厂矿区银铜矿开始采银（铅） 锌矿。
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