布洛肯山是澳大利亚生产铅锌银的主要基地之一,位于悉尼市以西970公里,由新南威尔士州所辖。锌有限公司(ZC)和新布洛肯希尔统一有限公司(NBHC),目前正在该区开采。此外,北布洛肯有限公司(NBHL)和采矿冶金公司(MMM),也在该区从事小规模的开采。布洛肯希尔矿床,为一高温热液铅锌银矿床,矿带走向长7.3公里,水平宽度250米,垂直延伸850米,倾角直立(图1)。矿山现有职工人数2800人,年计划工作日为251天,实际 Mount Brocken is one of Australia’s major producers of lead, zinc and silver, 970 kilometers west of Sydney, under the jurisdiction of New South Wales. Zinc Corporation (ZC) and New Broken Hill Commonwealth Corporation (NBHC) are currently mining in the area. In addition, NBHL and Mining & Metallurgical Company (MMM) are also small-scale mines in the area. The Broken Hill Deposit, a high-temperature hydrothermal lead-zinc-silver deposit, is 7.3km long and 250m horizontal and 850m vertical with an upright dip (Figure 1). The existing number of mine workers 2,800 people, the planned workday is 251 days, in fact