Archaeological Discovery In Kakadu

[Professer E]

Correct.  Ages are normally quoted at 95% confidence levels (standard deviations) or 2 sigma values.

C14 has been corrected using dendrochronology, ice cores and oxygen isotopes (partitioning of atmospheric gases are temperature dependent).  It's a robust technique.

Problem with most chronological work is not the technique, but the sample it is applied to.