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C "Based on a symposium jointly sponsored by the Divisions of Nuclear Chemistry and Technology, Geochemistry, and History of Chemistry at the 179th meeting of the American Chemical Society, Houston, Texas, March 24-25, 1980." Includes bibliographies and index.

Currie, editor American Chemical Society Washington, D.

As time passes, the organic components of bone (mostly fat) are lost primarily through bacterial action.

Since these components contain nitrogen, there is a progressive loss of that element.

Division of Nuclear Chemistry and Technology | American Chemical Society.

Currie, Lloyd A., 1930- | American Chemical Society.

For instance, if we find a fossil bone below the strata 3 rock level shown above, we assume that the animal most likely lived at a time before that layer was formed.

Fluorine analysis is primarily used for verifying whether or not two fossils in the same strata at a site were in fact contemporaneous.can be used to tell us whether or not the animals they were from actually lived at about the same time.This relative dating method is based on the fact that there are specific progressive chemical changes in skeletal remains that result from burial underground.However, the assumption of contemporaneity may not always be correct.This is due to the fact that one or both of the objects may have been moved or redeposited into a different location.

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At the same time, percolating ground water deposits trace amounts of fluorine and other elements, such as uranium, into the bone.

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