How far can carbon dating go dating sites ilse forrest

The tree rings were dated through dendrochronology.

Calibration of radiocarbon results is needed to account for changes in the atmospheric concentration of carbon-14 over time.

If a sample has the same proportion of radiocarbon as that of the tree ring, it is safe to conclude that they are of the same age.

In practice, tree-ring calibration is not as straightforward due to many factors, the most significant of which is that individual measurements made on the tree rings and the sample have limited precision so a range of possible calendar years is obtained.

Radiocarbon dating laboratories have been known to use data from other species of trees.

In principle, the age of a certain carbonaceous sample can be easily determined by comparing its radiocarbon content to that of a tree ring with a known calendar age.

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