Costing about $225,000, the new plant is expected to be rapidly repaid and will also allow scalability for future expansions.

Symbol Mining Ltd (ASX:SL1) has entered into a formal contract for the construction of a density separation processing plant at its high-grade zinc and lead Macy Project in Nigeria.

The contract includes procurement and commissioning and was concluded after encouraging metallurgical test work in the third quarter of this year.

Mining at Macy started in July and ore is currently being mined above the resource grade of 18.3% zinc.

Macy is part of the Imperial Project, a joint venture with Goidel Resources (40%), a group that has been operating in Nigeria for more than 20 years.

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