Plates Boundaries. At the locations where two tectonic plates interact, a boundary between these plates exist. There are three types of boundaries that geologist observe. These boundaries are divergent boundaries, convergent boundaries, and transform boundaries.
Great Sandy Desert (Western Australia): 284,993 km2 (110,036 square miles). Tanami Desert (Western Australia and Northern Territory): 184,500 km2 (71,235 square miles). Each of these deserts is either in or primarily in Western Australia, in the western third of the continent.
An immense dry area known as the Great Victoria Desert stretches across southern Australia. It lies in the states of Western Australia and South Australia, between the Gibson Desert on the north and the Nullarbor Plain on the south. The Great Victoria Desert extends eastward from Kalgoorlie almost to the Stuart Range.