In the right circumstances, the technique can be used to date objects as recent as 200 years or as ancient as 200,000 years old. Another chemical dating technique available to archaeologists is that of aspartic amino acid racemization which can.
Radiocarbon dating minute amounts of bone (360 mg) with. - Nature
One of the oldest natural dating techniques is geochronology, which is based on the principle of superposition - an object, or layer, on top must have been placed there at a later point in time.
By Michael G. Lamoureux, March/April 2009. Introduction Today s archaeologist has a wide variety of natural, electro-magnetic, chemical, and radio-metric dating methodologies available to her that can be used to accurately date objects that are just a few hundred years.
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Dendrochronology has been used with great success in Alaska, the South-West US, Northern Mexico, Germany, Greece, Great Britain, Ireland, Norway, and Switzerland. Dendrochronology has produced master tree-ring indices off of the Douglas Fir and Bristlecone Pine in the south-west US.
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