Komatiite in the Sibao Group of northern Guangxi may be divided in ascending order into the cumulus zone, spinifex zone and chilled zone.
桂北四堡群的科马提岩，自下而上分为堆晶带、鬣剌带和冷凝带。
2
Only one ore sample is compositionally close to mantle inclusion, chondrite mantle or komatiite, indicating the property of deep mantle source.
仅有一件矿石样品与地幔包体、球粒陨石地幔或科马提岩接近，暗示其深部地幔源区的性质。
3
The komatiites were formed in Mesoproterozoic, in a tectonic environment of tensile crust, while ther ising komatiite magma was quenched a nd rapidly cooled.