Wikipedia contributors. (2023, September 10). Bedrock. In Wikipedia, The Free Encyclopedia. Retrieved October 29, 2023, from https://en.wikipedia.org/w/index.php?title=Bedrock&oldid=1174679210
Northwesterly waves travel down Georgia Strait and are refracted around Birch Point into Birch Bay. Waves sweep counter-clockwise around Birch Bay transporting beach sediment in the same direction.
Bedrock (Wikipedia) In geology, bedrock is solid rock that lies under loose material (regolith) within the crust of Earth or another terrestrial planet.
The various kinds of broken and weathered rock material, such as soil and subsoil, that may overlie the bedrock are known as regolith.