Ultrastructure of a Columbite-Tantalite Mineral from the Zhaojinggou Ta-Nb Deposit in the North China Craton: Direct Evidence of the Formation Mechanism of the Columbite-Group Minerals
Figure 10
(a) SAED pattern of quartz obtained from the area enclosed within the red square in Figure 6(a). (b) HRTEM image of quartz obtained from the colored square in Figure 6(a).
