Four 22.5-cubic-yard end-dump haul trucks performed this task, avoiding the high cost of track haulage. Electric shovels began to replace the old-time steam shovels with a total of nine in ...

A southern Utah copper mine has restarted operations in an arrangement with Rio Tinto Kennecott, hiring workers as it expands ...

First Quantum Minerals Ltd. has started shipping stockpiled copper from its stalled mine in Panama, 19 months after the ...

Copper mining later flourished in Arabia around AD 800 and in Germany around AD 1556 with the publication of “De Re ... Pictured is a 22.5-yard hydraulic dump truck in action removing ...

Chile's State-owned Codelco, the world's largest copper producer, submitted an environmental permit request on Thursday to modify its Chuquicamata Subterranea project at a cost of $720-million.

McEwen Copper, a subsidiary of McEwen Mining, on Monday announced two separate transactions that provide a significant financial boost for its Los Azules project, in Argentina. The company ...

The company proposing a copper mine near White Sulphur Springs has agreed to a 25-year prohibition on open pit mining. Meagher County Stewardship Council, a nonprofit citizens group, entered into ...

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