The ore lead in the deposits mainly came from the upper crust.

矿床的矿石铅主要来自上地壳。

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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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Ore lead of the deposits mainly came from magma of ore-bearing matrices.

矿床中矿石铅主要来自赋矿母岩浆。

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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

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

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