Fig. 5: Microscopic structures of the cross-section of selected pottery.

The Upper Qujialing fine-paste pottery (a z58, bei-cup; b z158, guan-jar; c z213, dou-stemmed bowl), fiber-tempered pottery (d z81, ding-tripod; e z193, ding-tripod; f z204, fu-cauldron), and coarse-paste pottery (g z144, gang-vat; h z165, gang-vat; i z227, gang-vat).