In many porphyry copper deposits, additional enrichment of the metal has been caused by surficial weathering.

在许多斑岩铜矿矿床中，地表风化使得金属铜进一步富集。

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In many porphyry copper deposits, additional enrichment of the metal has been caused by surficial weathering.

在许多斑岩铜矿矿床中，地表风化使得金属铜进一步富集。

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