![]() ![]() Furthermore, correlation with other dating methods is poor for dates more than a few thousand years ago. This means it can’t possibly be used for dates older than that. Because the half-life is 5,730 years, essentially all the carbon 14 will decay in about 50,000 years. We saw that it works well for determining the time of death of something that died within the last few thousand years. Last month we started laying some groundwork by explaining carbon 14 dating. Radioactive Dating Explained - Part 2 Feature Article - August 2000
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