A New Way to Date Old Ceramics | Michigan Tech News. January 10, 2011— If you are an archaeologist, determining when a pot was made is not just a matter of checking the bottom for a time stamp. Dating clay-based materials like ceramics recovered from archeological sites can be time consuming, not to mention complex and expensive. Patrick Bowen, a senior majoring in materials science and engineering at Michigan Technological University, is refining a new way of dating ceramic artifacts that could one day shave thousands of dollars off the cost of doing archaeological research.
Called rehydroxylation dating, the technique was recently developed by researchers at the University of Manchester and the University of Edinburgh. It takes advantage of ceramics’ predictable tendency to bond chemically with water over time. “It’s simple,” says Bowen. Then, weigh the sample and put it in a furnace at 600 degrees Celsius. Then weigh the sample again and leave it alone.
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