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Table 2 Results from the principal component analysis of 20 bulk- and μ-XANES spectra collected on limestone powders and thin-sections

From: Origin of high Zn contents in Jurassic limestone of the Jura mountain range and the Burgundy: evidence from Zn speciation and distribution

Component Eigenvalue Variance Cum. var.a INDb
1 136.1 0.876 0.876 0.00620
2 8.4 0.054 0.930 0.00358
3 4.4 0.028 0.959 0.00180
4 1.4 0.009 0.968 0.00157
5 1.0 0.006 0.974 0.00149
6 0.9 0.005 0.980 0.00135
7 0.6 0.003 0.984 0.00126
8 0.4 0.002 0.986 0.00132
9 0.3 0.002 0.988 0.00142
10 0.3 0.002 0.990 0.00154
  1. aCumulative variance
  2. bIndicator function