MAJOR ELEMENTS

SAMPLE

OXIDE Wt. %

BG1

BG 2

BG 3

BG 4

BG 5

BG 6

SiO₂

71.36

74.49

71.76

64.5

72.57

70.16

TiO₂

0.38

0.09

0.24

0.42

0.13

0.38

Al₂O₃

13.99

12.6

13.05

12.7

13.58

15.42

Fe₂O₃ (T)

1.76

1.62

2.53

4.72

1.76

2.67

MgO

0.29

0.30

0.52

1.55

0.044

0.6

MnO

0.04

0,04

0.05

0.25

0.06

0.07

CaO

1.85

0.48

3.9

4.04

0.57

0.73

Na₂O

4.53

3.44

4.59

3.21

3.81

2.39

K₂O

4

5.3

1.88

3.49

4.54

3.85

P₂O₅

0.07

0.04

0.05

0.81

0.21

0.07

LOI

1.01

0.46

1.25

1.48

1.21

1.86

TOTAL

99.28

98.86

99.82

97.17

98.484

98.2

TRACE ELEMENTS

Cu

14

6

4

14

16

15

Ni

11

18

13

59

17

49

Co

ND

66

6

62

ND

ND

Sc

2

21

9

9

5

8

Zn

29

39

35

80

28

48

Ga

24

22

19

19

22

21

Pb

48

121

24

28

44

64

Cr

300

100

361

52

362

598

Th

15

81

21

23

72

49

Rb

131

352

55

123

291

192

U

10

28

4

9

18

12

Sr

271

55

419

799

92

240

Y

11

99

31

37

32

29

Zr

169

501

321

333

138

392

Nb

10

29

15

39

28

23

Ba

15

17

82

741

567

262

V

ND

4

22

ND

ND

ND

Hf

ND

ND

ND

ND

ND

ND

Ta

ND

ND

ND

ND

ND

ND

La

ND

52

56

70

ND

ND

Ce

ND

111

102

181

ND

ND

Pr

ND

18

14

33

ND

ND

Nd

ND

47

42.4

91

ND

ND

Sm

ND

11

8

15.1

ND

ND

Eu

ND

4.2

2.1

3.2

ND

ND

Gd

ND

9.2

5.6

9.1

ND

ND

Tb

ND

2.3

1.1

2.2

ND

ND

Dy

ND

11.3

4.1

6.2

ND

ND

Ho

ND

2.4

1.1

1.8

ND

ND

Er

ND

10

3.3

1

ND

ND

Tm

ND

2

1

1

ND

ND

Yb

ND

11

4

11

ND

ND

Lu

ND

2

1

1

0.8

ND