A lot of peridotite xenoliths as well as some pyroxene, feldspar and titanomagnetite megacrysts were discovered for the first time in the alkali basalt southeast of Sanyitang.

• 首次在三义堂附近的碱性玄武岩中发现了大量的橄榄岩包体、辉石和长石以及少量的含钛磁铁矿巨晶。