Queensland Subordinate Legislation as Made Queensland Subordinate Legislation as Made(1) Schedule 1 includes a number of references to terraces.
(2) A reference to a terrace, in relation to a valley drained by a watercourse, is taken to be a reference to an abandoned floodplain that is situated above an active floodplain associated with the watercourse.
(3) A terrace is formed when floodplains are abandoned during down cutting into the valley floor by base level change in the form of tectonic activity, by shifts in sediment load or by changes in the flow regime of the watercourse.