陈坑火山岩段
Chenkeng Volcani c Member
火山岩岩石化学
Petrochemistry of volcanic rocks
火山岩岩相
volcanic rock facies
Volcanic Rocks of Litho-facies
Volcanic lithofacies
lithofacies of volcanic rocks
volcanic rock fades
火山岩岩性
lithology of volcanic rock
volcanic rock
砂岩岩脉（岩墙、岩床）
cause of a serious disease