Table 5.

Factor loadings on elements in sediments from the Egyptian Mediterranean coasta (n = 20)

Element	PC1	PC2
Zn	0.037	0.966
Ni	0.945	-.052
Pb	−0.542	0.669
Cd	−0.648	0.209
Fe	0.953	0.190
Cu	0.229	0.876
Mn	0.911	0.110
Co	0.929	0.129
Cr	0.833	−0.032
Eigenvalue	4.955	2.260
% variance explained	55.059	25.115
Cumulative % variance	55.059	80.174

Extraction method: Principal component analysis

Rotation method: Varimax with Kaiser Normalization