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Radiocarbon dating of calcaraeous tufa ; how reliable data can we expect? (CROSBI ID 125308)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Srdoč, Dušan ; Obelić, Bogomil ; Horvatinčić, Nada ; Sliepčević, Adica Radiocarbon dating of calcaraeous tufa ; how reliable data can we expect? // Radiocarbon, 22 (1980), 3; 858-862. doi: 10.1017/S0033822200010249

Podaci o odgovornosti

Srdoč, Dušan ; Obelić, Bogomil ; Horvatinčić, Nada ; Sliepčević, Adica

engleski

Radiocarbon dating of calcaraeous tufa ; how reliable data can we expect?

Systematic dating of tufa samples has been undertaken to establish a chronology of tufa deposits in Plitvice National Park, Yugoslavia. We conclude that tufa samples give reproducible data within the time span of 40, 000 years up to recent. The 14^C/12^C ratio of carbon in the ambient biosphere and hydrosphere gives a detailed picture of the distribution of carbon isotopes in the investigated system. Despite the susceptibility of calcareous material to ambient conditions in the hydrosphere, the original 14^C composition of tufa has not been substantially changed. A vertical profile which was cut in tufa during pathway construction showed that the tufa isochrones run vertically in the investigated area. The vertical isochrones and the 14^C gradient were horizontal due to tufa build-up in Plitvice National Park which occurs on vertical escarpments that have been flooded. The relatively uniform radiocarbon content of most tufa deposits indicates redistribution of radiocarbon during the formation period. While detailed stratigraphy is often obscured, a general chronology of tufa deposits in the investigated area has been established.

radiocarbon dating; tufa; Pltivice

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Podaci o izdanju

22 (3)

1980.

858-862

objavljeno

0033-8222

1945-5755

10.1017/S0033822200010249

Povezanost rada

Fizika, Geologija, Kemija

Poveznice