Definitions for "Graded Bedding"
Keywords:  finer, waning, coarse, upward, sediment
A rock layer that has a progressive change in particle size from top to bottom. Most common is a sequence with coarse grains at the bottom and fining upwards, which is typically caused by a declining current velocity within the depositional environment.
bed in which the coarsest particles are concentrated at the bottom and grade gradually upward into fine silt, the whole bed having been deposited by a waning current.
A type of bedding in which each layer is characterized by a progressive decrease in grain size from the bottom of the bed to the top.