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Table 5 Eigenvalues and variance of the principal components used for the comparison of Triassic conservation deposits based on faunal composition

From: The marine conservation deposits of Monte San Giorgio (Switzerland, Italy): the prototype of Triassic black shale Lagerstätten

PC

Eigenvalue

% Variance

1

0.643425

24.364

2

0.470369

17.811

3

0.33971

12.864

4

0.233635

8.847

5

0.178979

6.7774

6

0.160213

6.0667

7

0.134371

5.0882

8

0.125886

4.7669

9

0.0854462

3.2356

10

0.0731675

2.7706