Excelsior Mining has received notification of approval from the Arizona Department of Environmental Quality (ADEQ) for a new leach pad at the Johnson Camp mine (JCM) facility. The aquifer protection permit (APP) for Johnson Camp was amended to include the construction and operation of a heap leach pad to produce copper from the legacy open pits at Johnson Camp in…
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Well stim results for Excelsior’s Gunnison
Excelsior Mining announced the results in mid-October for the well stimulation modelling at its Gunnison copper project in Cochise County of southeastern Arizona. Well stimulation has the potential to fundamentally change the performance of the wellfield, reduce the need for raffinate neutralization or change the design criteria for the neutralization plant. Excelsior commissioned a leading engineering and environmental consulting firm…
Read MoreExcelsior wins Winton
Copper producer Excelsior Mining has selected Robert Winton as its new general manager and senior vice president of the Gunnison Copper Project in Arizona.
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