wt%

JD10

JD11

JD12

JD13

JD14

JD15

JD16

SiO₂

47.13

48.12

47.13

48.29

46.11

48.55

48.12

TiO₂

0.71

1.16

0.67

0.79

1.18

1.10

0.91

Al₂O₃

15.13

14.18

16.21

15.73

15.48

14.86

15.21

FeO

4.06

3.72

3.94

3.67

3.53

3.69

3.55

Fe₂O₃

12.17

11.15

11.83

11.09

10.59

11.07

10.66

MnO

0.14

0.13

0.13

0.13

0.14

0.14

0.12

MgO

6.48

6.51

5.62

3.47

7.35

6.43

7.57

CaO

8.93

8.91

8.61

9.83

8.93

8.94

8.10

Na₂O

2.10

1.87

2.35

2.36

2.10

1.32

2.11

K2O

2.53

3.05

2.60

2.47

3.12

3.23

2.54

P₂O₅

0.23

0.23

0.22

0.45

0.23

0.18

0.19

Sum

99.61

99.03

99.31

98.28

98.76

99.51

99.08

LOI

0.39

0.97

0.69

1.72

1.24

0.49

0.92

Mg#

42.20

44.40

39.50

30.10

48.80

44.30

49.40

Trace Elements (ppm)

Sr

386

380

418

367

365

492

386

Zr

83

93

86

102

94

79

103

Cr

146.00

154.40

208.10

182.40

170.00

196.80

221.35

Co

15.50

15.40

16.40

18.50

17.70

14.50

16.60

Ni

15.50

15.40

16.40

17.50

17.70

14.50

16.60

Pb

3.90

7.80

3.00

27.80

3.70

6.60

2.90

Ba

84

167

86

64

48

45

68

Rb

14

9

11

13

15

9

8

Nb

23

17

16

19

23

16

17

Y

20

18

19

16

19

17

21

Ce

36

31

33

28

42

47

37

CIPW Norms

Or

15.17

18.2

15.48

14.83

18.72

19.21

15.13

Ab

17.24

15.99

17.97

20.31

10.54

11.25

18.1

An

24.47

21.5

26.15

25.49

23.86

25.17

24.76

Pl

41.71

37.43

44.12

45.81

34.41

36.42

42.78

Di

15.47

18.62

12.98

17.94

16.11

12.79

12.1

Hy

-

3.58

-

5.06

-

12.79

6.31

Ap

0.53

0.52

0.51

1.07

0.53

0.42

0.44

Ma

5.92

5.45

5.76

5.41

5.18

5.38

5.19

Il

1.35

2.22

1.27

1.52

2.26

2.11

1.75

Ol

19.49

14.52

18.75

8.35

18.77

8.48

16.3

Ne

0.33

-

1.13

-

4.05

-

-