Amino acid composition data and stable isotope ratios ( 14 N, D, and 13 C) are being evaluated as sources of information to indicate the presence of non-indigenous organics in bone samples intended for 14 C analyses. The study is being conducted in the context of the planned measurement of Pleistocene bone samples by a high energy mass spectrometric 14 C detection system.
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R. E. Taylor (1980) studied this question.
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