01
Definition
1.
Scallops are shallow niches, up to a few cm long, that are shaped by eddies.
Knez and Slabe, 2016
2.
scallop : Oval hollow having an asymmetric cross section along its main axis. Scallops form patterns on tl e walls of caves and in streambeds and were used by Bretz to determine direction of flow of turbulent water, since they are steeper on the upstream side. Commonly called flutes in America.
Monroe, 1970
3.
Scallops are spoon-shaped hollows.
White and Culver, 2012
02
Frame
| CAUSE | caused by turbulent waterflow |
| shaped by eddies | |
| FORM | asymmetrical |
| Shallow | |
| Oval hollow having an asymmetric cross section along its main axis | |
| since they are steeper on the upstream side | |
| LOCATION | distributed in rather regular fashion over limestone surfaces |
| on the walls of caves and in streambeds | |
| MEASURES | were used by Bretz to determine direction of flow of turbulent water |
| SIZE | up to a few cm long |
03