The Rowley Sub-basin, situated on the outer continental margin, comprises a seaward-thickening wedge of Triassic to Recent sediments that are terminated at the continental-oceanic crust boundary by massive down-to-the-northwest faults. The thickest section in the sub-basin comprises 6 kilometres (4 seconds TWT) of Mesozoic to Recent sediments underlain by 9 kilometres (5 seconds TWT) of Palaeozoic sediments.
The location of the seismic cross-section is shown on the Regional structural elements map [PDF_409 KB]