1. A sedimentary deposit which is sorted (see SORTING) with the coarsest grain size at the base and the finest at the top is termed ‘normally graded’; a sediment which is sorted with the finest at the base and coarsest at the top is termed ‘inverse-graded’.
2. A well-sorted sediment.
"graded sediment." A Dictionary of Earth Sciences. . Encyclopedia.com. (September 25, 2018). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/graded-sediment
"graded sediment." A Dictionary of Earth Sciences. . Retrieved September 25, 2018 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/graded-sediment