The site has been re-dated using TL and the results suggest the site is actually no older than about 10,000 years.
It has been suggested that the first arrivals were coastal people, basing their economies on the sea and river mouths, originally spreading around the coast then up the rivers.
The oriental faunal region, to the North of Wallacea, the no man's (or no animal's) land is separated from the Australian faunal region to the south of Wallacea.
The boundaries of the oriental region coincide with the edge of the Asian continental shelf, and the Australian region coincides with the edge of the Australian continental shelf.
There were still many of the Archaeology has shown from digs in the Northern Territory that human history in Australia began sometime before 50,000 years ago.
The closest Australia came to connecting to Asia by land was at the height of the Last Ice Age, but even then there was still a gap of about 90 km separating the 2 continents by the ocean.
Since the studies of Alfred Russel Wallace in the 19th century it has been know that there is a distinct, dramatic transition between the faunal types to the north of the zone called Wallacea, and that of the southern side.
So while they lived by hunting, over large parts of the continent it was in effect managed hunting. It has been said of the Aboriginal People that 'they are unchanging people in an unchanging land', implying that they didn't adapt so were somehow less worthy than the very adaptable people who took over their country.
One of the world's best known, and highest regarded anthropologists, Claude Levi-Strauss, called them 'intellectual aristocrats' among early peoples.