砂岩岩脉（岩墙、岩床）
cause of a serious disease
新元古代中－晚期裂谷火山岩和基性岩墙群
mid-late Neoproterozoic rift-related volcanic rock
岩墙
dyke
dike
swarm
SWARMS
rock
Dykes
DIKES
diked
Analysis for Reason
intrusive dyke
digger
aluminum coordination complexes
rock wall
dye penetrant