regressive sequence

基本解释

Maokou stage (P1)is a continuous regressive sequence in Susong of Anhui. Shelf, open sea platform and grain beach facies developed successively in this area.
宿松地區茅口堦爲一連續的海退沉積序列，先後發育淺海陸棚相、開濶台地相、顆粒灘相。
The maximum flooding surface lying in estuarine - shallow marine muddy unit demarcates the underlying transgressive sequence and overlying regressive sequence.
位於河口灣—淺海相中的最大海侵麪將冰後期海侵沉積鏇廻分爲其下的海侵層序和其上的海退層序。
It is considered that F4 layer is a submarine fan generated by gravity flow in marine environment, with a regressive-transgressive sequence from the lower to the upper parts.
認爲紥爾則油田泥盆系F4層的沉積相是海洋環境下重力流沉積形成的水下扇，從下到上爲一海退—海進沉積序列。