板状交错层理
tabular cross-stratification
tabular cross-tratification
tabular cross-bedding
不规则层理构造
irregular bedding structure
不整合层理
unconformable stratification
discordant bedding
槽状交错层理
SCS
trough cross-stratification
trough cross -stratification
crescent type cross-bedding
层理S面
S-plane of stratigicat
S-plane of stratification