Copper miner Equinox Minerals Ltd said it did not expect China's Minmetals Resources to make its $6.5 billion takeover offer formal for the next several weeks. Equinox, which extended its $4.8 billion bid for Lundin Mining on Tuesday, said on Thursday Minmetals' offer of C$7 per share undervalued the company. Minmetals, China's biggest metals trading firm, unveiled plans to launch its offer for Equinox on Monday, chasing the Toronto-based company's copper assets in Zambia and Saudi Arabia.[ID:nSGE73400P]
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