The method of radiocarbon dating of series samples unearthed from archaeological sites is briefly explained on both theoretical and practical levels. Some questions raised by archaeologists are answered. It is emphasized that the method of radiocarbon dating of series samples should be widely used especially when chronological problems in ancient civilization studies need to be solved.
The present report publishes the chronological data of 50 specimens tested by the^14C Laboratory of the Archaeological Science and Techniques Experiment and Research Center, IA, CASS, from March 1999 to March 2000. These specimens come from the following sites: Dashanqian in Harqin Banner, Liaoning (10 pieces); Wanfabozi in Tonghua County, Jilin (2); Qiaonan in Yilan County, Heilongjiang (2); Dongyuan in Funing County, Jiangsu (2); Hexi in Zhangqiu County, Shandong (7);Xishan in Zhengzhou City, Henan (15); Panlongcheng in Wuhan City, Hubei (2); Ganquancun in Chengdu City, Siehuan (1); the ancient ruins of Jiaohe in Turpan City, Xinjiang (2); Jafanerike in Qiemo County, Xinjiang (4) ; and Dongfangrongcun in Haikou City, Hainan (3).
