دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a dynamic process by which different-sized sediments are separated from one another and deposited in different locations or layers as relatively uniform deposits. For instance, a high-energy mountain stream may leave only large cobbles and gravel in one location and carry finer sediments downstream to accumulate in a lower-energy environment, such as a lake.

a relative comparison of the formation to determine if there is a large difference between the size of the largest articles and the size of the smallest particles.