If there has been significant change in the temperature during the time in which the object is buried, the result is flawed.
Other problems of contamination have occurred, so the technique is not fully established.
Relative dates may be obtained form time-related chemical changes which occur in bone, especially in fluorine, uranium, and nitrogen.
Still, the most commonly used is SYNONYMS OR RELATED TERMS: radiocarbon dating CATEGORY: technique DEFINITION: The occurrence of natural radioactive carbon in the atmosphere allows archaeologists the ability to date organic materials as old as 50,000 years.
Specific changes in its amino acid structure (racemization or epimerization) which occur at a slow, relatively uniform rate, are measured after the organism's death.