A key element is progressive textural fining of sediment discharged in a direction seaward of a river mouth, from delta front to pro-delta.
(A key element; is; progressive textural fining of sediment) (sediment; discharged; L:in a direction seaward of a river mouth)
A key element sediment
is discharged
progressive textural fining of sediment
L:in a direction seaward of a river mouth