African Copper is studying plans to develop an underground mine in order to exploit deeper sulphide mineralisation.

非洲铜业公司正在研究开发地下矿的方案，以期能开采较深的含硫矿物。

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Other important African export commodities are iron ore and timber, followed by manganese, cobalt, copper and chromium.

其他重要的非洲出口商品是铁矿石和木材，其次还有锰、钴、铜和铬。

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"Copper" layers these settings, between Five Points and Fifth Avenue, with Carmansville, a developing African-American community that later becomes part of Harlem, while weaving in societal tensions of immigration and race.

CNN: 'Copper': Bringing 1864 New York to life, grit and all

His publicly-traded company, African Rainbow Minerals (ARM) has interests in platinum, nickel, chrome, iron, manganese, coal, copper and gold.

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