样品

DXO68-Q1

DXO69-Q1

DXO79-Q1

DXO79-Q2

DXO85-Q1

DXO85-Q2

DXO85-Q3

DXO85-Q4

DXO85-Q5

岩性

粗面英安岩

粗面英安岩

粗面英安岩

粗面英安岩

粗面英安岩

粗面英安岩

粗面英安岩

粗面英安岩

粗面英安岩

SiO2

69.77

68.53

70.34

70.08

69.07

69.88

69.74

69.39

70.32

TiO2

0.25

0.31

0.27

0.25

0.28

0.27

0.27

0.28

0.26

Al2O3

15.08

15.58

14.17

13.85

15.58

15.47

15.34

15.46

15.35

Fe2O3

1.49

1.45

1.20

1.22

1.21

1.15

1.25

1.35

1.10

FeO

2.73

2.65

2.29

2.29

2.33

2.21

2.38

2.57

2.07

MnO

0.02

0.01

0.02

0.02

0.00

0.01

0.00

0.00

0.01

MgO

0.22

0.22

0.10

0.10

0.15

0.18

0.17

0.14

0.19

CaO

0.23

0.31

0.46

1.15

0.17

0.20

0.20

0.10

0.15

Na2O

2.66

2.10

2.85

3.16

2.50

2.65

2.88

2.81

3.02

K2O

6.60

7.38

7.25

6.63

7.99

7.64

7.31

7.4

6.78

P2O5

0.05

0.04

0.39

0.83

0.07

0.07

0.08

0.04

0.07

LOI

1.55

2.01

1.44

0.96

1.29

1.12

1.10

1.12

1.21

Total

99.10

98.57

99.33

99.58

99.36

99.73

99.61

99.53

99.32

ALK

9.26

9.48

10.10

9.79

10.49

10.29

10.19

10.21

9.80

Na2O + K2O

9.26

9.48

10.1

9.79

10.49

10.29

10.19

10.21

9.8

Rb

219.00

246.00

208.00

196.00

245.00

264.00

248.00

233.00

215.00

Ba

1302.00

1663.00

1733.00

1491.00

2247.00

1818.00

2043.00

2214.00

1589.00

Th

19.60

17.10

18.10

17.80

17.80

19.20

20.00

20.20

19.80

U

3.57

3.19

23.10

33.30

2.64

2.54

2.60

2.90

2.27

Nb

19.20

18.30

19.60

18.10

18.50

19.60

19.20

20.30

18.50

Ta

1.40

1.35

1.24

1.12

1.25

1.33

1.29

1.39

1.27

Pb

37.70

29.00

24.60

20.80

19.10

17.30

22.10

23.80

15.90

Sr

144.00

186.00

89.90

146.00

55.30

91.40

96.10

68.20

68.70

Nd

67.90

78.40

105.00

70.50

64.10

65.10

65.40

66.00

66.10

Zr

387.00

408.00

401.00

362.00

424.00

425.00

443.00

447.00

414.00

Hf

10.30

9.62

9.56

8.98

10.20

11.00

11.60

10.90

10.10

Y

33.70

41.10

58.30

67.40

30.80

37.20

33.60

33.20

33.30

La

99.70

107.00

157.00

100.00

93.30

94.40

95.30

96.00

97.00

Ce

170.00

138.00

170.00

153.00

161.00

164.00

163.00

160.00

167.00

Pr

19.00

21.00

28.90

18.60

17.60

17.80

18.20

18.40

18.60

Nd

67.90

78.40

105.00

70.50

64.10

65.10

65.40

66.00

66.10

Sm

10.80

13.50

16.90

12.10

10.30

10.60

10.40

10.40

10.60

Eu

2.19

2.78

3.15

2.88

2.15

2.17

2.17

2.25

2.18

Gd

8.91

11.40

14.30

11.50

8.26

8.64

8.49

8.34

8.61

Tb

1.38

1.71

2.10

1.86

1.26

1.31

1.36

1.33

1.32

Dy

6.97

8.86

10.20

10.10

6.23

7.03

6.31

6.49

6.46

Ho

1.16

1.51

1.86

1.91

1.07

1.24

1.13

1.26

1.13

Er

3.68

4.43

5.49

6.18

3.44

3.92

3.41

3.63

3.35

Tm

0.49

0.57

0.80

0.95

0.48

0.57

0.49

0.52

0.50

Yb

3.18

4.06

5.28

6.28

2.90

3.43

3.15

3.32

2.90

Lu

0.49

0.55

0.73

0.90

0.42

0.56

0.46

0.43

0.40

∑REE

429.55

434.87

580.02

464.16

403.31

417.96

412.88

411.57

419.44

LREE

369.59

360.68

480.95

357.08

348.45

354.07

354.47

353.05

361.48

HREE

26.26

33.09

40.77

39.68

24.06

26.69

24.81

25.32

24.66

LREE/HREE

14.07

10.09

11.80

9.00

14.48

13.27

14.29

13.94

14.66

δEu

0.68

0.69

0.62

0.75

0.71

0.69

0.71

0.74

0.70

(La/Yb)N

22.49

18.90

21.33

11.42

23.08

19.74

21.70

20.74

23.99