Mangerud, J.: Radiocarbon dating of marine shells, including a discussion of apparent age of Recent shells from Norway. Boreas. Vol. 1, pp. Oslo,. June lst, General problems in determining and interpreting shell C'* dates are discussed: calculation methods, factors influencing primary activity(apparent age). mai - The low requirement on sample size (> mg carbon) in the accelerator radiocarbon dating technique makes direct dating of iron possible by analysis of the carbon incorporated during the melting process when the iron was manufactured. The uncertainties caused by indirect dating of iron blooms, slag. ISOTOPIC FRACTIONATION OF NORWEGIAN MATERIALS. FOR RADIOCARBON DATING. STEINAR GULLIKSEN. Radiological Dating Laboratory, The Norwegian Institute of Technology,. Trondheim, Norway. ABSTRACT. To improve reporting of radiocarbon dates, Stuiver and Polach () recommend that reported.
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