There is abundant information of silver-lead ore in historical works. It stretches over the southern margin of the North China platform and the northern and southern Qinling fold belts.

它地跨华北地台南缘和北、南秦岭褶皱带，区内银、铅矿的分布与一定的地层有着特殊的联系。

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Consistence between isotopic model age of lead ore and intrusion age of quartz porphyry shows close relations among structure movements, magmatism and mineralization in Stage of Yenshan.

矿石铅同位素模式年龄和石英斑岩体侵入年龄的一致性反映燕山期构造、岩浆和成矿作用的密切关系。

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The Pb isotopic composition of ore sulfides is stable and the ore lead is ordinary common lead. Ore lead derived from magma, which came from partial melting of the upper crust in Early Cretaceous.

矿石铅同位素组成稳定，为正常普通铅，矿石铅来源于早白垩世上地壳物质部分熔融形成的岩浆。

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It had resources: oil, gas, copper, lead, iron ore.

NEWYORKER: Election, Monitored

The Company has interests in mining for aluminum, borax, coal, copper, gold, iron ore, lead, silver, tin, uranium, zinc, titanium, dioxide feedstock, diamonds, talc and zircon.

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Massive ore deposits of copper, lead, zinc, silver, gold and other metals formed in this way.

ECONOMIST: Minerals