Author:
Delibrias G.,Guillier M. T.,Labeyrie J.
Abstract
C14 dates reported below were obtained mainly at the end of 1968 and during 1969 on archaeologic and geologic samples. Techniques of measurement used are unchanged. Since 1968, 4 complete routine sets have been running, each equipped with a 1 L CO2 proportional counter. One is made of stainless steel with a background of 2.70 cpm at pressure 1 atm and the others are of OFHC copper with a background of either 1.10 or 1.30 cpm for a corresponding pressure of, respectively, 1 or 2 atm. For age calculation, 95% activity of NBS oxalic acid is used as the modern standard and the value of 5570 ± 30 years is used for the half-life of C14. Dates are expressed in years b.p. (before a.d. 1950).
Publisher
Cambridge University Press (CUP)
Subject
General Earth and Planetary Sciences,Archeology
Reference43 articles.
1. Hervieu J. , 1970, Influence des changements de climat quaternaires sur le relief et les sols du Nord-Cameroun: Annales Geog., no. 433, p. 386–398.
2. Bennett W. C. , Bleiler E. P. , and Sommer F. H. , 1948, Northwest Argentine archeology: Yale Univ. Pubs. Anthropol., no. 38.
3. Marmier F. and Trécolle G. , 1968, Stratigraphie du gisement d'Hassi-Mouillah, Région de Ouargla, (Algérie): C.R.S.M. extr., no. 4, p. 121–127.
4. Chronique des datations radiocarbone armoricaines;Giot;Annales Bretagne,1970
5. La Grotte des Sarrazins;Bocquet;Soc. Dauphinoise d'Ethnol. Archeol. Bull.,1966
Cited by
31 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献