Table 4.

Calculated Enrichment Factor (EF) and Geoacummulation index (Igeo) for REEs in topsoil samples.

	EF
	La	Ce	Pr	Nd	Sm	Eu	Gd	Tb	Dy	Ho	Er	Tm	Yb	Lu
Max.	4.47	5.79	4.14	3.19	4.32	3.44	2.81	2.18	2.06	1.65	2.02	2.54	2.42	0.12
Min.	0.13	0.26	0.57	0.49	0.72	0.88	0.86	0.20	0.70	0.40	0.60	0.74	0.82	0.02
Mean	1.30	1.56	1.95	1.53	1.83	2.06	1.69	0.80	1.56	1.21	1.24	1.47	1.34	0.04
	Igeo
	La	Ce	Pr	Nd	Sm	Eu	Gd	Tb	Dy	Ho	Er	Tm	Yb	Lu
Min.	−2.45	−2.49	−2.24	−2.35	−2.45	−2.23	−2.72	−2.72	−2.35	−2.15	−2.32	−2.41	−2.64	−3.23
Max.	0.08	0.08	0.17	0.09	0.14	0.25	0.04	−0.16	0.06	0.08	−0.01	0.30	0.04	−1.03
Mean	−1.07	−1.02	−1.06	−1.04	−1.06	−1.04	−1.04	−1.27	−1.06	−1.13	−1.07	−1.01	−1.00	−2.06