24 Apr '11, 2am

awesomeRT @ecoplushightech: @mylekkerT LOVE to count U in On what will be a #Lekker holiday of a lifetime at...

Mungo National Park covers most of an ancient dry lakebed. During the last ice age, Lake Mungo was one of a chain of freshwater lakes strung along the Willandra Creek. About 50 million years ago this rocky inland landscape sank, as the Australian eastern highlands rose. Not only was there a lot of tectonic movement at this time, but also a great deal of rain. The Murray, Murrumbidgee and Lachlan rivers all contributed to the transportation of soil and water onto the subsiding landscape. Temperature and climatic conditions continued to change as the Australian continent slowly drifted northwards into hotter, drier climes. About 400,000 years ago dry, windy conditions prevailed and the sluggish, meandering Willandra Creek was cut off, forming the Willandra Lake system. Over time the prevailing westerly winds shaped the lake and continued to shape and create a lunette as the ...

Full article: http://www.environment.nsw.gov.au/NationalParks/parkGeolo...

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