Archaeologists define a chopper as a pebble tool with an irregular cutting edge formed through the removal of flakes from one side of a stone.
Choppers are crude forms of stone tool and are found in industries as early as the Lower Palaeolithic from around 2 million years ago. Later societies used a more advanced implement sometimes called a chopping tool, which in some cases was refined into the more efficient handaxe.
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Ceremonial structures
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Water management
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Food processing
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Other tools
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