Scour-and-Fill Structures


Channels


Flute Marks

Flute Marks on base of turbiditic sandstone; current is from right to left  
Vertical striations are mineral-filled fractures; current is from right to left ; vertical lineations are cemented fractures.  

 


Scour Marks

 

Transverse Scour Marks

Flute Rill Marks

Longitudinal Furrows and Ridges

Triangular Marks Tapering Down-Current

Pillow-like Scour Marks