If it does not entirely contradict them, we put it in a footnote. The C is a very stable element and will not change form after being absorbed; however, C is highly unstable and in fact will immediately begin changing after absorption. This is only because it is well calibrated with objects of known age. Although Carbon comprises just over 1 percent of Earth's atmosphere, plants take up its larger, heavier atoms at a much lower rate than Carbon during photosynthesis. Tips for parents and teachers Are Irish people becoming addicted to their smartphones? Even if the rate of decay is constant, without a knowledge of the exact ratio of C12 to C14 in the initial sample, the dating technique is still subject to question.
Archaeologist Sturt Manning and colleagues have revealed variations in the radiocarbon cycle at certain periods of time, affecting frequently cited standards used in archaeological and historical research relevant to the southern Levant region, which includes Israel, southern Jordan and Egypt.
Research illuminates inaccuracies in radiocarbon dating
Most concerning, though, is when the carbon dating directly opposes or contradicts other estimates. Jan 28 Read Jan 31 Read You May Also Like. Does Bacon Cause Cancer?