Fig. 2From: Petrographic and geochemical analyses to characterise the source of built historical natural stones — a case study of the volcanic stones from historical quarries and Baoguosi Temple in the city of Ningbo, ChinaOne of the two Buddhist stone pillars in front of Entrance of Baoguosi Temple in Ningbo. Two pillars might have been built in Tang Dynasty (618–907 CE). Missing stones need to be repaired/replaced using the same types of stone (Source: Shibing Dai)Back to article page