aggradational

1.(3)/加地层单元的叠加样式。

(3)stacking patterns of progradational/aggradational stratigraphic units.

2.The distribution of petroleum in Africa is mainly in the negative region in the inner platform or in the aggradational basin of shore zone.

非洲石油主要布在地台内的负向地区和海地带的沉盆地内。