The Dikes ClipArt gallery includes 4 examples of long, narrow geological formations created when either molten rock or sediment fills an existing fracture in a rock body.
"Basaltic rock interstratified with aqueous rocks; b Basaltic dyke." -Taylor, 1904
Devil's Wall (Teufelsmauer) near Oschitz, Bohemia. A basaltic dike.
Dikes at the base of the Serra del Solfizio, Etna.
Fragment of the wall rock (limestone) included in an ancient sandstone dike; the rock is shattered and…