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Thermoluminescence (TL) Dating
Dr. James Feathers, Faculty Research Associate Professor, Department of Anthropology Luminescence Dating Laboratory, University of Washington conducted the Thermoluminescence (TL) dating. 
Dr. James Feathers, Faculty Research Associate Professor, Department of Anthropology Luminescence Dating Laboratory, University of Washington.
Dr. Feathers projects include dating and assessing stratigraphic integrity at Paleo-Indian sites in North and South America.
TL dating is the determination, by means of measuring radiation dose over time. |
10,470 Year Old Paleo-Indian Site Confirmed
According to Dr. Feathers, "In years, the age is 10,470. This age confirms the paleo-indian designation for the occupation." The University of Washington's TL Laboratory dated a worked cobble artifact uncovered during the site excavation in 2011. He gave the sample laboratory number UW2785. 
Fire cracked rocks were found on the surface or within the humus zone and in level B, which did not provide adequate samples for TL dating.
However, a worked jasper artifact which was found during the excavation was a better candidate. |
Paleo-Indian Site
Procedures for Dr. Feathers TL analysis include:
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"Know that the work we're doing now collectively may not be realized in our life time. It's a goal we're working towards, which will benefit people beyond any of our expectations or imaginations. As a peaceful people we can gather people to one sacred hoop and accomplish good,"
– Chris Comeswithclouds White.