How far can radiocarbon dating go back

Dating based on the radioactive decay of 14 C is essential to many fields, from climate research to archaeology. In particular, the Lake Suigetsu sediment core improves the accuracy of radiocarbon dating for the period between 12, and 52, years ago, says team member Christopher Bronk Ramsey of Oxford University. To date objects of unknown age through the radioactive decay of 14 C, researchers need reference materials, such as tree rings or lake sediments, that divulge historical levels of atmospheric 14 C. Reimer , an archeologist at the University of Belfast, in a commentary about the work. Tree rings are a direct proxy for atmospheric 14 C levels.
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How far back can you date with carbon dating?

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How far back can carbon dating be used? - opinion24.info

How far can you go back in time, and assume an accurate sample with carbon dating? It seems limited, how can an observer know the state of the decay of a certain molecular structure even , calendar years ago? Could there be other influences that would affect the rate of decay of carbon 14? If it has generally been established as a constant, at what point does the "constant" break down?
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How far back can radiocarbon dating go

Just how old is that pretty little fossil? Carbon dating can provide an answer — maybe. Scientists have only been able to use the technology to go back about 21, years. Before that, the accuracy of the dating technique gets hazy.
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Whenever the worldview of evolution is questioned, the topic of carbon dating always comes up. Here is how carbon dating works and the assumptions it is based upon. Radiation from the sun strikes the atmosphere of the earth all day long.
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