哈默斯利公司是世界上较大的铁矿石生产单位之一,正在进行一项扩建计划,使年出售量将由40,000,000公吨增加到46,000,000公吨。扩建费用约3.75亿美元,预计在1979年初完成。哈默斯利公司经营位于澳大利亚西北的汤姆-普赖斯和帕拉布杜两个露天铁矿。矿山与丹皮尔出口港由一条400公里(250英里)的铁路连通。矿床内含有大量的页岩低品位物料,矿山开采时必需分别采出,汤姆-普赖斯矿自投产以来至少堆存了30,000,000公吨低品位矿石,所说的这些低品位矿石是在开采直接外运的高 HAMILSLEY COMPANY, one of the larger iron ore production units in the world, is undergoing an expansion plan to increase annual sales from 40,000,000 metric tons to 46,000,000 metric tons. The expansion costs about $ 375 million and is expected to be completed by early 1979. Hammersley operates two open-pit mines, Tom Price and Palabduum, in northwestern Australia. The mine and Dampier exit port are connected by a 400 km (250 miles) railway. The deposit contains a large amount of low-grade shale materials. The mines must be mined separately. At least 30,000,000 tonnes of low-grade ore have been deposited since the Tom-Place mine was put into operation. The low-grade ore is said to be mined directly High transport