Tag: Structural Geology
What are Ripple Marks?
Ripple marks are sedimentary structures and indicate agitation by water (current or waves) or wind.
Ripple marks are ridges of sediment that form in response...
Ramsö En-echelon Dyke Apophyses Kosterhavet Sweden
Apophyses (branches) of dark-coloured dolerite dykes in Kosterhavet National Park on Ramsö island in the Koster Islands in Sweden.
The dykes intruded between the Gothian...
