Warratyi probably won’t resolve that issue. No butchery marks from stone tools appear on the marsupial fossil, although people may still have hunted the creature. Possibly burned areas appear on some eggshell fragments. Recent evidence from other Australian sites indicates that people were cooking this extinct bird’s eggs between 54,
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,000 and 43,000 years ago.
Other discoveries at Warratyi indicate Aboriginal people there made a variety of tools up to 10,
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,000 years before similar tool types were known to have occurred elsewhere in Australia or in Southeast Asia,
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, the scientists say. For instance, a 4-centimeter-long bone point that dates to more than 38,000 years ago is Australia’s earliest known bone tool.
Comparably ancient discoveries include fragments of resin, which was probably used to glue stone tools to handles of some type. Tool handles probably came into use even earlier than that Down Under, argues archaeologist Sandra Bowdler of the University of Western Australia in Crawley. Researchers generally agree that, in Australia,
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, stone cutting implements with ground,
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, beveled edges were once attached to handles, Bowdler explains. A team led by Hiscock recently dated a ground-edge tool found in northwest Australia to between 49,
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,000 and 44,000 years ago. That means handle use started there before it appeared at Warratyi,
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, Bowdler holds.
Tools displaying sharpened edges along one side appear at Warratyi between 30,
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,000 and 24,000 years ago. While Hamm’s team regards these as the oldest such implements in Australia, Bowdler awaits more thorough dating of Warratyi sediment layers before accepting that conclusion.

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