For the last 1,200 years, sediment deposition has occurred primarily at the mouth of the Mississippi River's Plaquemines-Balize delta, in the area defined as the Mississippi River Delta Basin.
(sediment deposition; has occurred primarily; L:at the mouth of the Mississippi River's Plaquemines-Balize delta, in the area; T:For the last 1,200 years) (the area; defined; as the Mississippi River Delta Basin)
sediment deposition the area
has occurred primarily defined
L:at the mouth of the Mississippi River's Plaquemines-Balize delta, in the area T:For the last 1,200 years
as the Mississippi River Delta Basin