Table 5 Geometric parameters of the four main skeletal architectural elements.

From: Research on sand body architecture at the intersection of a bidirectional sedimentary system in the Jiyuan area of Ordos Basin

Code

Architectural element

Thickness (m)

Width (m)

The ratio of width to thickness

Fourth-level interface inclination (°)

FA1

Braided channel

4.8–8.3

148.2–356.5

28.2–44.5

2.5

FA2

Abandoned channel

3.4–5.8

105.6–286.4

18.5–27.1

3.0

FA4

Underwater distributary channel

4.2–7.8

92.5–252.6

12.5–24.6

1.5

FA6

Estuarine bar

1.9–4.7

46.0–82.7

9.8–17.6

2.0