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which methed of mining is used to extract marble rock in saudi arabia

Mining methods comprise standard drillblast loadhaul with a total material moved capacity of 9.5Mtpa. Mining occurs by drilling and blasting 5m high subbenches with 120mm to 200mm blast holes. Hydraulic excavators with 8.4m3 bucket capacities load blasted ore and 10.0m3 bucket capacities load waste into 80t reardump haul trucks..

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