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Geological Survey of Finland Radiocarbon Measurements V

Published online by Cambridge University Press:  18 July 2016

Aulis Heikkinen
Aulis Heikkinen*
Affiliation:
C14 Laboratory, Geological Survey of Finland, Otaniemi, Finland
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The C14 measurements reported here were made in this laboratory between July 1969 and September 1970. The dating system consists of a 0.55 L copper-walled proportional counter (adapted from östlund and Engstrand, 1963, constructed by Outokumpu Oy, Research Lab., Tapiola, Finland) surrounded by a lead cylinder, 1.5 cm thick, placed within an anticoincidence meson detector. The system is encased in selected lead 1.5 cm thick, 7 cm of paraffin wax with ca. 10% boric acid and ca. 20 cm iron. Counter gas is CO2 with which the counter is filled to 228.6 m Hg at a detector temperature of 20°C. Background is 1.50 cpm and net contemporary value is ca. 10.0 cmp.

Type
Research Article
Information
Radiocarbon , Volume 13 , Issue 2 , 1971 , pp. 432 - 441
Copyright
Copyright © The American Journal of Science 

References

Hyyppä, Esa, 1966, The late-Quaternary land uplift in the Baltic sphere and the relation diagram of the raised and tilted shore levels: Acad. Sci. Fennicae Annales, A. III, v. 90, p. 153–168.Google Scholar
Hyyppä, E., Heikkinen, A., and Toivonen, V., 1969, Geological Survey of Finland radiocarbon measurements IV: Radiocarbon, v. 11, p. 183–187.Google Scholar
Lappalainen, E., 1970a, Über die spätquartäre Entwicklung der Flussufermoore Mittel-Lapplands: Comm. géol. Finlande Bull., no. 244.Google Scholar
Lappalainen, E., 1970b, Subfossil pine stems from northern side of present pine limit in Finnish Lapland: Geologi, v. 22, p. 150–153.Google Scholar
Lappalainen, V., 1962, The shore-line displacement on Southern Lake Saimaa: Acta Bot. Fennica, v. 64.Google Scholar
$OUstlund, H. G, and Engstrand, L. G., 1963, Stockholm natural radiocarbon measurements V: Radiocarbon, v. 5, p. 203–227.Google Scholar
Saarnisto, Martti, 1970, The Late Weichselian and Flandrian history of the Saimaa Lake complex: Comm. Phys. Math., v. 37.Google Scholar
Salmi, M., 1968, Development of palsas in Finnish Lapland: third internatl. peat Cong. Proc., Quebec, Canada, 1968, sec. 1.Google Scholar
Tynni, Risto, 1966, Über spät-und postglaziale Uferverschiebung in der Gegend von Askola, Südfinnland: Comm. géol. Finlande Bull., no. 223, p. 26.Google Scholar