In one sense, though, disturbances are what excavation is about.
Theoretically, the purpose of an excavation is to find human disturbances—generally referred to as artifacts and features (Mc Millon 19)—and to investigate and interpret them as remnants of past human activity.
Like geological exposures, archeological sites usually contain stratified layers.
SYNONYMS OR RELATED TERMS: amino-acid dating; aminostratigraphy; amino-acid racemization, amino acid racemization CATEGORY: technique DEFINITION: A method of absolute (chronometric) dating which is hoped to fill the gap between radiocarbon dates and potassium-argon dates.
It is used for human and animal bone and other organic material.
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.