安徽省石油化工厅于1984年7月19日至22日在铜陵市主持召开了新桥硫铁矿边坡研究评审会,对冶金部长沙矿冶研究院、同济大学、武汉勘察公司和南昌有色冶金设计研究院等研究的新桥硫铁矿露采下盘合理边坡角进行了评审。会议认为,长沙矿冶研究院所推荐的下盘 Anhui Petrochemical Office hosted the review and appraisal meeting of the Xinqiao Pyrite Slope Research Institute in Tongling City from July 19 to July 22, 1984, and reviewed and evaluated the research institute of Metallurgical Department of Changsha Mining and Metallurgy Research Institute, Tongji University, Wuhan Survey Company and Nanchang Nonferrous Metals Metallurgical Design and Research Institute and other research Xinqiao Pyrite open pit reasonable slope angle was assessed. The meeting believes that Changsha Institute of Mining and Metallurgy recommended under the plate