Precious zircon and corundum megacrysts, occurring in palaeochannels and palaeoterraces around Cenozoic volcanic rocks outcropping within an area of 20 km2. The rock types include limburgite, olivine basalt, pyroxene-olivine basalt, andesitic basalt, and minor tholeiite. They contain abundant mantle xenoliths of garnet lherzolite, spinel lherzolite and garnet pyroxenite.
Ref.:
- Qiu Zhili et al. (2004): Baddeleyite and Zircon mineral inclusions: Evidence for the genesis of zircon megacrysts related to Cenozoic volcanic rocks in Mingxi, Fujian. Acta Scientiarium Naturalium Universitatis Sunyatsenti 43, 135-139.
- Qiu Zhili, Wu Fuyuan, Yu Qingyuan, Xie Liewen, and Yang Shufeng (2005): Hf isotopes of zircon megacrysts from the Cenozoic basalts in eastern China. Chinese Science Bulletin 50(22), 2602-2611.
