Abstract
An objective test of the validity of blood residue analysis as a technique for identifying archaeological tool use is presented. It is concluded that such residues do remain on tools for over 5600 years and that cross-over electrophoresis can accurately detect such residues. This technique provides an accurate means for identifying the animal species on which prehistoric tools were used. Routine museum curation procedures and normal soil processes do not necessarily destroy such residues. This test further supports the use of this technique for identification of unknown stains in forensic work.
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