Wave-formed ripple Wave-formed ripple In sedimentology, wave-formed ripples or wave-formed ripple marks are a feature of sediments (sandstones, limestones, siltstones) and dunes. These ripple marks are often characterised (and thus distinguished from current ripples) by symmetric cross sections and long relatively straight crests, which may commonly bifurcate. Commonly, these crests can be truncated by subsequent flows. Their wavelength (periodicity) depends on the sediment grain size, water depth and water-particle orbits in the waves. On tidal flats the pattern of wave-formed ripples may be complicated, as a product of changing depth and wind and tidal runoff directions. Symmetrical ripples are commonly found in
This Is the Sound example of what can be made when certain elements from genres collide and risks are taken." All lyrics written by Anna Murphy. All music by Anna Murphy, Ivo Henzi & Merlin Sutter. This Is the Sound This Is the Sound is the first studio album by the Swiss progressive metal band Cellar Darling. It was released on June 30, 2017, by Nuclear Blast. "This Is the Sound" received positive reviews by critics upon release. Writing for "Heavy", Dave Griffiths wrote, "This Is The Sound is a modern day work of art. The three talented musicians behind Cellar Darling have just