Element Geochemical Analysis of the Contribution of Aeolian Sand to Suspended Sediment in Desert Stream Flash Floods

Table 4

Principal components analysis for the 16 major elements in suspended sediments (𝑛=75). The table shows principal components (PCs) with eigenvalues >1.

Element; or oxide	Principal components
	PC1	PC2	PC3	PC4
SiO2	−0.969	0.140	−0.025	0.047
CaO	0.962	0.081	0.206	−0.030
MgO	0.936	−0.324	−0.056	−0.017
Al2O3	0.930	−0.163	−0.170	−0.031
Fe2O3	0.872	−0.459	0.133	0.075
P	0.834	−0.268	0.262	0.283
Mn	0.825	−0.291	0.447	0.093
Sr	0.815	0.398	0.266	−0.091
Rb	0.776	0.096	−0.459	−0.056
Ba	−0.165	0.927	0.123	−0.113
K2O	0.011	0.869	−0.309	−0.279
Na2O	−0.577	0.676	0.235	−0.052
Zr	−0.098	0.151	0.946	0.164
Ti	0.452	−0.166	0.857	0.138
Co	−0.135	−0.149	0.146	0.914
Ce	0.129	−0.147	0.096	0.907