Table 4.

Rare earth elements (ppm) petrochemical data for the altered basic dyke at El Sela shear zone

S.No.	ES6/3	ES37/1	BC	ES39/1
La	14	-	5.4	-
Ce	83.4	18.8	47.4	33.7
Pr	-	-	-	-
Nd	58.2	62	64.8	67.8
Sm	-	-	-	-
Eu	3.6	7.2	5.8	6.2
Gd	9.5	14.3	12.1	13
Tb	1.3	2.2	1.8	2
Dy	8.4	6.4	8.2	7.7
Ho	1	1.3	1.1	1.3
Er	-	-	-	-
Tm	0.4	0.3	0.41	0.42
Yb	-	-	-	-
Lu	0.2	0.3	0.32	0.35

- Not determined.