physical separation methods in mining

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a single blast can break approx. 3000 tonnes of ore. once the ore is broken excavators load the ore into haul trucks and transport it to a primary ore crusher where the diamond extracting process begins. the kimberley big hole is an example of open-pit mining. in underground mining miners tunnel through earth’s crust to the kimberlite pipe

mineral processing - wikipedia

this separation technique can be useful in mining iron as it is attracted to a magnet. in mines where wolframite was mixed with cassiterite such as south crofty and east pool mine in cornwall or with bismuth such as at the shepherd and murphy mine in moina tasmania magnetic separation was used to separate the ores.