First use of radiocarbon dating in india

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Contamination with modern carbon causes a sample to appear to be younger than it really is: Ingenuity Ingenuity Festival. Pointed tool of a new divide. Hogg Similarly, the statement about land organisms is only true once fractionation is taken into account.

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The Story of Carbon Dating

Accelerator mass. This increase in 14 C concentration almost exactly cancels out the decrease caused by the upwelling of water containing old, and hence 14 C depleted, carbon from the deep ocean, so that direct measurements of 14 C radiation are similar to measurements for the rest of the biosphere. Both beta counting and AMS results have to be corrected for fractionation. Curators' Corner. Radiocarbon dating has allowed key transitions in prehistory to be dated, such as the end of the last ice ageand the beginning of the Neolithic and Bronze Age in different regions.

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