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.
The five largest deserts in Australia include the Great Victoria Desert: 424,400 km 2, Great Sandy Desert: 284,993 km 2, Tanami Desert: 184,500 km 2, Simpson Desert: 176,500 km 2, and the Gibson Desert: 156,000 km 2. The map above shows the general location of the five major deserts.