Some particular chemical features of the Carboniferous basaltic rocks may relate to source rock mixing.
玄武岩类成分的某些特殊性，可能与源区混合作用有关。
2
The petrochemical type of the Caijialing volcanic rocks couldn't belong to the potassic basalticrock series.
在化学成份上，蔡家岭组火山岩不属于钾玄岩系列。
3
The porosity and permeability of typical basaltic rocks have been analyzed. Four effusive facies basalt layers and two volcanic necks with rock outcrops can be identified.