Paleo-sedimentary environmental restoration and its significance of Chang 7 Member of Triassic Yanchang Formation in Ordos Basin, NW China |
Jinhua FU,Shixiang LI,Liming XU,Xiaobing NIU |
Fig. 5. Variation characteristics of paleo-salinity geochemical indices of the Chang 7 Member in the Ordos Basin. |