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open-pit mining
(redirected from Open-pit mine)

   Also found in: Wikipedia 0.01 sec.
open-pit mining [¦ō·pən ¦pit ′mīn·iŋ]
(mining engineering)
Extracting metal ores and minerals that lie near the surface by removing the overlying material and breaking and loading the ore. Also known as open-cast mining; opencut mining.


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BHP is currently seeking Federal and South Australian Government approval for a new open-pit mine adjacent to the ongoing Roxby Downs (Olympic Dam) underground uranium and copper mine.
The company is nearing completion on a massive $80- to $90-million expansion project for the Pamour open-pit mine that involved moving the top portion of Three Nation Lake and re-routing 6.
The regulations require mining companies to refill all new open-pit mines and reclaim the land to the conditions of the surrounding natural landscape.
 
 
 
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