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Subscribe Today Biblical Archaeology Society Staff The article “True Colors: Digital Reconstruction Restores Original Brilliance to the Arch of Titus” by Steven Fine, Peter J. Sanders in the May/June 2017 issue of Biblical Archaeology Review describes digital scanning conducted on the famed Roman triumphal arch.

Limitations of carbon 14 dating

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But the radiocarbon detected in diamonds is equivalent to ages of up to 80,000 years.So you can see why the various age limits have appeared in different publications of ours.

Theoretically, the AMS instrument should obtain ages up to 95,000 years, but practically, 60,000 years or less is the limit.

The theory behind radiocarbon dating is as follows: Why doesn't the carbon-14 in the air decay along with terrestrial carbon? The trick is that radioactive carbon-14 is continually replenished in a complex reaction that involves high-energy cosmic rays striking the upper atmosphere.

In this process, nitrogen-14 (7 protons and 7 neutrons) gains a neutron and loses a proton, producing carbon-14 (6 protons and 8 neutrons).

It cannot be applied to inorganic material such as stone tools or ceramic pottery.

The technique is based on measuring the ratio of two isotopes of carbon.