General industrial indicators for hard rock uranium deposits Boundary grade U (%) Minimum industrial grade U (%) Minimum recoverable thickness (m) Stone removal thickness (m) 0.03 0.05 0.7 0.7 Paper Gift Bags With Handles,Flat Paper Handle,Kraft Paper Bags With Handles,Paper Shopping Bags With Handles DongGuan FeiYang Packaging Machinery Equipment Co., Ltd , https://www.feiyang-machinery.com