上三叠统 meaning in Chinese

upper triassic series

Source analysis of yanchang formation in baibao - jiyuan region , ordos basin
姬塬地区上三叠统延长组物源分析
Delta sediments and evolution of the yanchang formation of upper triassic in ordos basin
鄂尔多斯盆地上三叠统延长组三角洲沉积及演化
Source characteristics and gas origin of xujiahe formation , upper triassic in chishui area
赤水地区上三叠统须家河组源岩特征及天然气成因
A study on sedimentary characteristics of upper triassic xujiahe formation in the eastern margin of sichuan basin
四川盆地东缘上三叠统须家河组沉积特征
Research on source characteristics and origin of xujiahe formation , upper triassic in chishui area , sichuan basin
四川盆地赤水地区上三叠统须家河组烃源岩特征及天然气成因探讨

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