Sequence stratigraphy and lithofacies paleogeographic evolution of Katian Stage - Aeronian Stage in southern Sichuan Basin, SW China |
ZHU Yiqing,CHEN Gengsheng,LIU Yong,SHI Xuewen,WU Wei,LUO Chao,YANG Xue,YANG Yuran,ZOU Yuanhong |
Fig. 2. Composite sequence stratigraphic column of Well LU205. w(U)—mass fraction ratio of uranium, 10-6; w(Th)—mass fraction ratio of thorium, 10-6. |