样品号

150

160

180

190

200

210

230

240

250

260

280

290

300

310

320

330

La

21.6

21.6

22.4

21.0

23.4

19.5

21.6

22.1

22.6

23.4

22.6

22.0

20.3

22.3

22.7

23.0

Ce

41.9

42.1

44.7

39.8

44.7

43.0

41.3

44.4

43.9

48.0

42.5

44.3

37.8

43.7

44.9

44.8

Pr

4.7

4.6

4.8

4.4

5.1

4.9

3.9

4.6

4.7

4.9

4.7

4.4

4.0

4.5

4.6

4.9

Nd

21.4

22.2

22.4

20.8

22.9

20.9

18.8

21.3

21.7

23.5

21.1

21.4

17.7

21.3

22.6

23.9

Sm

4.7

4.7

5.1

4.6

5.2

4.8

3.9

4.4

5.1

5.0

4.4

4.9

3.7

4.9

5.0

5.3

Eu

1.0

1.1

1.1

0.9

1.1

1.1

1.2

0.9

1.0

1.1

0.9

0.9

0.7

1.0

1.1

1.2

Gd

4.7

4.9

6.2

4.5

4.8

5.0

3.3

5.1

4.6

5.1

4.4

4.8

3.7

4.5

4.6

5.7

Tb

0.8

0.9

0.8

0.6

0.9

0.7

0.6

0.8

0.8

0.8

0.5

0.7

0.5

0.7

0.8

1.0

Dy

4.6

4.9

4.8

3.4

4.8

4.6

2.4

3.8

4.3

4.8

3.1

3.8

2.3

3.9

4.4

5.4

Ho

0.9

1.1

1.0

0.6

1.0

0.9

0.5

0.8

0.8

0.9

0.6

0.8

0.5

0.8

1.0

1.1

Er

2.9

3.5

3.1

2.1

3.3

2.7

1.7

2.6

2.8

3.1

2.0

2.5

1.4

2.6

2.9

3.7

Tm

0.4

0.5

0.5

0.3

0.5

0.4

0.2

0.3

0.4

0.4

0.2

0.3

0.2

0.3

0.4

0.5

Yb

2.7

3.2

2.9

1.8

2.9

2.7

1.1

2.0

2.3

2.7

1.5

1.9

1.1

2.0

2.5

3.5

Lu

0.5

0.6

0.5

0.3

0.5

0.4

0.2

0.4

0.4

0.4

0.2

0.3

0.2

0.3

0.4

0.6

REE

112.8

115.9

120.3

105.1

121.1

111.6

100.7

113.5

115.4

124.1

108.7

113.0

94.1

112.8

117.9

124.6

LRE/HRE

5.45

4.91

5.08

6.73

5.48

5.41

9.07

6.18

6.04

5.82

7.70

6.48

8.51

6.47

5.94

4.80

δCe

1.00

1.02

1.04

1.00

0.98

1.06

1.08

1.06

1.03

1.08

0.99

1.08

1.01

1.05

1.06

1.02

δEu

0.65

0.70

0.60

0.60

0.67

0.69

1.02

0.58

0.63

0.67

0.63

0.57

0.58

0.65

0.70

0.67