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).
This is a study of ancient man's diet by means of the isotopes ^13C and ^15N analysis method.A set of experiment conditions for N2 collection with the element analyser has been established through experiments, which brought initial results to the application of the method in archaeology. A preliminary analysis on the relative situation of ancient man's meat eating has been made for some archaeological sites, such as Inner-Mongolia Xinglongwa, Qinghai Shangsunjia and Xingjiang Yanbulake. It is the first example of this research.Meanwhile, results of ^13C analysis have also been acquired for the first time from a series of sites, including the Yin Ruins, Western Zhou Liulihe, Kayao culture Shangsunjia,Xinglongwa, and Zhejiang Hemudu. This froms a basis for studying the components of the then people's staple food.
The present report publishes the chronological data of 40 specimens dated by the 14^C Laboratory of Archaeological Science and Techniques Experiment and Research Center, IA, CASS, from November 2001 to October 2002. These specimens come from the following sites: Tianmushan in Jiangyan (1 piece) and Beichuodun in Kunshan (2), Jiangsu; the Huangdi Temple in Jinyun, Zhejiang(1); Guzhendu in Qixia, Shandong (1); Xipo in Lingbao (2), Luohe in Luoyang (4), the Shang City in Yanshi (4) and Yinxu (the Yin Ruins) in Anyang (1), Henan; a Chu tomb inJiangling, Hubei (1); Piyang-Dongga in Ngari Zanda, Xizang (2); Yuntang-Qizhen in Fufeng (9) and Duanjing Village in Binxian County (1), Shanxi; Lajia in Minhe, Qinghai (4); Niya in Minfeng (1), Yingpan in Yuli (4), A'ai in Kuqa (1) and Langan Township in Yutian (1), Xinjiang.
