104
Fig. 5.6. Development of a transverse gravel bedform.
Cross�bedding fo rmed where the bedform prograded to�
ward the right into a pool of deeper water. This bedform
8
Lithofacies
has been abandoned by falling water. Height of bedform
above water is about 1m. Near Mito, Japan
Load of mixed
sand and grove!
Fig. 5.7 A,B. Typical form of stratification developed in segregated gravel-sand mixtures. B Form sets have been termed
humpback dunes. (Allen 1983c)