Table 2. Symbols showing degrees of 



two and three dimensionality. 



Final bed form 



Symbol 



2D 



O 



Trend to 2D 



-e- 



Mostly 2D 



o 



2D, 3D 



€ 



Mostly 3D 



• 



Trend to 3D 



-•- 



3D 



• 



66 



