Dreikanters, three sided Ventifacts
Two Dreikanters, three sided Ventifacts which are wind-abraded pebbles created by the abrasive process called sandblasting on the side facing the wind. Pebbles can turn, exposing another face to sandblasting
Picture No
10710025
Media ID
47577860
Size
5110px x 3420px
(8.6MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection
