论文部分内容阅读
1984年末,地球物理勘探发现哈贾尔(Hajar)矿床,该矿床位于南马拉喀什城35公里的盖马萨(Guemassa)矿区。它为多金属硫化矿床,含有锌、铅、铜、铁、硫、银等金属。目前已查明储量约1500万t。根据地质调查与选冶研究,可制定矿山的基本建设规划。通过技术经济研究分析,可以进行采矿设计。已考虑数种采矿与选矿方案。勘探与开拓工程的费用大约为1000万美元。根据采用的不同方案,工程投资介于8000万和2.2亿美元之间。预计1991年投产。
In late 1984, geophysical prospecting found the Hajar deposit, located in the Guemassa mine 35 km south of Marrakech. It is polymetallic sulfide deposits, containing zinc, lead, copper, iron, sulfur, silver and other metals. Has been identified reserves of about 15 million t. According to the geological survey and the study of metallurgy, the mine’s capital construction plan may be formulated. Through technical and economic research and analysis, mining design can be carried out. Several mining and beneficiation programs have been considered. Exploration and development projects cost about $ 10 million. According to the different options adopted, the project investment is between 80 million and 220 million U.S. dollars. Expected to put into operation in 1991.