四川盆地上三叠统须家河组四段—六段海侵沉积记录*
施振生1, 谢武仁1, 马石玉1, 李国宪2

Transgression sedimentary records of the Members 4-6 of Upper Triassic Xujiahe Formation in Sichuan Basin
Shi Zhensheng1, Xie Wuren1, Ma Shiyu1, Li Guoxian2
四川盆地上三叠统黏土矿物照片