Mineral Composition and Full-Scale Pore Structure of Qianjiadian Sandstone-Type Uranium Deposits: Application for In Situ Leaching Mining

Figure 6

Optical observation of thin sections of the selected samples. Sample CS is the coarse sandstone; sample MS is the medium sandstone; sample FS is the fine sandstone; sample AS is the argillaceous sandstone; sample SM is the sandy mudstone; and sample SS is the siltstone.