k-40 dating / Potassium-calcium dating - Oxford Reference

k-40 dating

k-40 dating

Their sensitivity analysis also showed them that their solution was reasonably robust against mis-specified error distributions. Bramley, A, and A. Another problem is that in the conventional K-Ar method the concentrations of 40 Ar and K are measured separately on different aliquots of the samples, which also significantly increases the probability of unknown systematic errors. Much earlier, Apt et al. Johnson, and J. The respective J values of the unknown age samples are then obtained by interpolation of the resulting graph according to their known positions in the sample holder. May, and M.

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