Northern Dynasty Minerals (TSX: NDM)(NYSE: NAK) published on Wednesday an updated preliminary economic assessment (PEA) for its Pebble copper project, which includes an infrastructure plan for a “southern route” access to the proposed mine in Alaska.
The Canadian miner said the independent technical report reviews cost and price estimates to reflect current economic volatility, providing production, financial and cost estimates for a proposed 20-year, 180,000 tonnes per day open pit operation.