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Resumo

A prerequisite to dietary reconstruction based on the trace element content of disinterred bone is the evaluation of postdepositional, or diagenetic, changes in the levels of trace elements contained in the bone. This study describes one method of assessing trace element permeation in disinterred bones from the Black Earth site, Illinois. The levels of several trace elements were determined in 50 samples of bone and associated soil. Correlation coefficients were calculated to evaluate the degree to which variation in the bone levels corresponds to variation in the soil levels. The results suggest that no significant postdepositional exchange of Zn and Mn had occurred at the Black Earth site. Other methods of evaluating permeation and leaching are discussed.

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