Use of isotopes in carbon dating

30-Oct-2019 15:49

Carbon-based rocks, such as bitumen and tephra, can also be dated in this manner.Carbon dating is most effective on material that predates the 1940s; this is due to above-ground nuclear tests increasing the amount of carbon-14 in the environment.This inconsistent amount of carbon-14 renders the test less accurate but opens up testing possibilities not available for older samples.

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Books, clothing and food remains are all archaeological artifacts that can be carbon dated.

Carbon-14 is a radioactive isotope used to date organic material.