四川盆地上三叠统小塘子组沉积特征及地质意义<sup>*</sup>

四川盆地上三叠统小塘子组沉积特征及地质意义^*

施振生^1,², 赵正望³, 金惠², 宋海敬²

Depositional characteristics and its geological significance of the Upper Triassic Xiaotangzi Formation in Sichuan Basin

Shi Zhensheng^1,², Zhao Zhengwang³, Jin Hui², Song Haijing²

四川盆地小塘子组砂岩碎屑成分三角图( 底图据Dickinson and Suczek,1979 ; Dickenson,1988 )