capex for new open pit coalmine
capex for new open pit coalmine. New Clydesdale is an underground that mine employs almost 400 people and produces 1 4Mtpa of A and Dgrade thermal coal primarily for sale to the export market Coal is mined using both openpit and underground methods The mine has a reserve base of 14Mt and a resource of 41Mt While it''s not a high grade project Argonaut Gold has looked for ways to reduce capex