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1980年8月9日,南非帕拉博拉采矿公司的露天铜矿,在24小时内创造了日采矿岩521,433吨的世界记录。以前的记录是美国肯尼科特公司的宾厄姆峪铜矿宣布的,该矿于1977年11月3日在24小时内运出矿岩494,242吨。帕拉博拉公司创造的这项新记录,是在最近增加了采矿设备使矿山生产能力均平提高到日产355,000吨以后才成为可能的。新设备包括3台斗容25立方码的P&H2800型电铲,11台载重150吨的MK36型运输卡车。除这些设备
On August 9, 1980, the open-pit copper mine at Parabola mining company in South Africa created a world record of 521,433 tons of natural ore per day in 24 hours. The previous record was announced by the Bingham Valley Copper Mine at Kenney Court, a U.S. mine transporting 494,242 tons of ore over 24 hours on November 3, 1977. This new record created by the company, Palalabora, was made possible by the recent addition of mining equipment to raise the mines’ production capacity to 355,000 tons per day. The new equipment includes three P & H2800 shovels with a capacity of 25 cubic yards and 11 MK36 haul trucks weighing 150 tons. In addition to these devices