Deltaic deposits are an accumulation of sediment deposited at the mouth of a river.
(Deltaic deposits; are; an accumulation of sediment deposited at the mouth of a river) (an accumulation of sediment; deposited; at the mouth of a river)
Deltaic deposits an accumulation of sediment
are deposited
an accumulation of sediment deposited at the mouth of a river
at the mouth of a river