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“Beyond 40,000 years old, the sample is so small, and the contamination risk so great, that the margin of error is thousands of years. It would be like having a

• flukus 9y ago
  The quote is irrelevant, it's taken from a section about radiocarbon dating which wasn't used here. They used Uranium series dating which according to your own source: > The uranium-thorium method is often helpful for dating finds in the 40,000- to 500,000-year-old range, too old for radiocarbon but too young for K-Ar or Ar-Ar.