Luminescence dating of heated quartz extracted from burnt clay and pottery excavated from the Lingjiatan archaeological site, China

This study utilizes OSL-SAR, TL-SAR, and TL-MAAD methods to date heated quartz extracted from burnt clay pottery samples the Lingjiatan archaeological site, China. The OSL components of were determined by deconvoluting CW-OSL curve, Fast Ratio value was used distinguish whether initial signal dominated fast component. results show two types characteristics in signals: Type I is component (Fast values > 10), while II medium slow < 10). bright signals, a preheat plateau appears relatively low temperature. recuperation negligible, reliable equivalent doses can be obtained using conventional OSL-SAR measurement conditions. In contrast, dim, much higher temperature than samples. increases significantly at temperatures. Significant D e underestimation observed lower It noted that thermal transfer effect attenuated increasing stimulation Therefore, modified condition, with preheat, cut-heat temperatures, ages most these agree well independent 14 C ages, demonstrating materials high firing temperatures (∼900°C). site approximately 5.4–5.8 ka BP 2022 .