Sample

Umm Seleimat

Sikait

Umm El Kheran

Umm Addebaa

Det. Limit (ppb)

Sm1

Sm2

Sm3

Sm4

S1

S2

S3

Kh1

Kh2

Kh3

Kh4

D1

D2

D3

D4

La

123.1

138.54

101.22

35.87

158.75

73.01

49.65

18.4

8.6

11.3

29.01

12.01

19.06

24.12

15.1

50.0

Ce

119.87

140.24

97.64

49.84

164.2

113.72

52.62

20.13

31.2

16.4

12.5

13.04

17.76

25.3

11.23

50.0

Pr

67.42

114.5

89.8

53.31

67.98

56.21

60.86

13.37

11.93

14.72

8.12

16.07

18.85

21.9

13.03

30.0

Nd

33.76

66.74

77.56

42.41

169.52

137.1

64.75

24.5

23.68

32.4

36.47

20.63

21.03

25.85

15.34

50.0

Sm

28.45

33.86

19.02

18.05

32.65

31.06

21.34

15.94

3.02

5.9

7.16

8.72

10.96

14.19

6.72

30.0

Eu

0.29

0.53

0.46

0.9

0.97

0.93

0.66

0.71

0.773

0.684

0.939

0.37

0.25

0.31

0.27

20.0

Gd

20.12

26.46

52

22.86

19.72

17.48

10.82

32.02

21.66

27.88

33.64

28.58

25.95

24.4

24.8

20.0

Tb

22.95

23.61

61.86

22.97

14.89

16.9

11.77

7.11

4.2

10.24

26.77

8.31

10.6

6.1

8.52

20.0

Dy

24.8

55.63

74.22

19.03

12.48

32.38

12.68

37.78

27.12

36.68

16.92

25.96

27.78

23.65

42.21

20.0

Ho

2.12

1.099

2.01

0.839

1.99

1.56

1.18

1.29

1.42

1.87

1.25

2.01

1.13

1.91

2.22

10.0

Er

21

17.79

53.25

17.91

10.56

12.38

14.56

26.07

18.55

23.1

13.12

30.7

29.34

25.47

39

10.0

Yb

13.81

18.6

14.68

8.11

12.24

19.03

4.33

8.48

22.48

9.32

19.2

11.37

14.98

26.12

8.45

10.0

Lu

1.82

1.83

1.95

1.3

1.13

2.1

0.6

1.68

1.68

2.03

2.4

1.96

2.5

2.85

1.66

5.0

∑HREE

106.6

145.1

259.9

93.1

73.01

101.8

55.9

114.4

97.11

111.1

113.3

108.9

112.3

110.5

126.86

-

∑LREE

372.9

494.4

385.7

200.4

594.1

412.03

249.8

93.05

79.2

81.4

94.2

70.84

87.9

111.7

61.69

-

Total REEs

479.5

639.4

645.7

293.4

667.08

513.9

305.8

207.5

176.3

192.5

207.5

179.7

200.2

222.2

188.6

-

Average

514.5

495.6

195.9

197.7

-

HREE/LREE

0.28

0.29

0.67

0.46

0.12

0.25

0.22

1.23

1.23

1.36

1.20

1.54

1.28

0.99

2.06

-

Eu/Eu*

0.04

0.05

0.04

0.14

0.12

0.12

0.13

0.10

0.29

0.16

0.18

0.07

0.05

0.05

0.06

-

(La/Sm)N

2.70

2.56

3.32

1.24

3.04

1.47

1.45

0.72

1.78

1.20

2.53

0.86

1.09

1.06

1.40

-

(La/Lu)N

7.02

7.86

5.39

2.86

14.58

3.61

8.59

1.14

0.53

0.58

1.25

0.64

0.79

0.88

0.94

-

(La/Yb)N

6.06

5.06

4.68

3.00

8.81

2.61

7.79

1.47

0.26

0.82

1.03

0.72

0.86

0.63

1.21

-

T1

1.92

1.82

1.46

1.82

0.89

1.10

1.38

1.07

1.87

1.12

0.43

1.27

1.26

1.30

1.10

-

T3

4.04

7.43

7.33

5.28

2.41

4.96

3.78

2.82

2.13

2.97

3.63

2.14

3.51

1.95

2.83

-

T1,3

2.79

3.68

3.27

3.10

1.46

2.34

2.28

1.73

1.99

1.82

1.25

1.65

2.10

1.59

1.76

-