Figure 7
From: Geometric Heterogeneity of Continental Shale in the Yanchang Formation, Southern Ordos Basin, China
Lithology characteristics of the Chang 7 Member (Yanchang Formation of the Ordos Basin). (A) Outcrop of the Chang 71 Member, thick or medium thin sandstone interbedded with thin oil shale. (B) Outcrop of the Chang 72 Member, thin oil shale interbedded with thin tuff and sandstone. (C) Outcrop of the Chang 73 Member, thick tuff interbedded with thin oil shale and sandstone. (D) Core photograph of the Chang 71 Member. (E) Core photograph of the Chang 72 Member. (F) Core photograph of the Chang 73 Member. The core photographs in this figure were taken in well YK01. The photographs of the outcrops in this figure were taken in Yaoqu County, near well YK01. All of these photographs were taken by the corresponding author.
