Excelsior ‘rapidly closing in’ on completing Arizona copper mine

The Gunnison copper project, in southern Arizona, remains on schedule for first copper production before the end of the year, TSX-listed Excelsior Mining confirmed on Thursday, reporting that the drilling of the production wellfield had been completed. A total of 41 production wells had been successfully drilled, toa depth of nearly 400 m each. The company said that all wells were open within the copper orebody.