Variable

PC1

PC2

206Pb/204Pb

0.499

0.003

207Pb/204Pb

0.485

0.000

208Pb/204Pb

0.150

0.693

206Pb/207Pb

0.499

0.019

208Pb/206Pb

−0.485

0.099

208Pb/207Pb

−0.094

0.714

Eigenvalue

3.9889

1.8926

Proportion

0.665

0.315

Cumulative

0.665

0.980