S. No.

W1-1

W1-2

W1-3

W1-4

W1-5

W1-6

W1-7

W1-8

W2-1

W2-2

W2-3

W2-4

W2-5

W2-6

W2-7

W2-8

W2-9

W3-1

W3-2

W3-3

depth m.

20

24

35

53

55

59

62

63

1

4

10

17

26

35

37

42

44

12

30

43

Major oxides (wt.%)

SiO2

76.2

76.3

77.7

74.6

76.9

76.2

76.9

76

77.4

76.8

76.7

76.8

78

77.5

76.8

74.8

76.8

75.5

77

74.7

TiO2

0.13

0.13

0.13

0.10

0.12

0.10

0.09

0.13

0.10

0.10

0.10

0.14

0.10

0.14

0.12

0.16

0.14

0.13

0.13

0.09

Al2O3

13.3

13.3

12.5

12.6

12.8

13.7

12.7

13

12.9

13.3

13.2

13

12.6

12.3

13.1

13.1

12.8

12.7

12.5

13.7

Fe2O3

0.7

0.9

0.9

1.2

0.5

0.6

0.9

0.9

0.6

0.5

0.6

0.9

0.7

0.8

0.7

0.6

0.6

0.8

0.7

0.5

MnO

0.05

0.06

0.04

0.10

0.02

0.03

0.08

0.06

0.01

0.01

0.01

0.01

0.01

0.01

0.03

0.02

0.03

0.09

0.08

0.06

MgO

0.12

0.22

0.15

0.12

0.07

0.11

0.12

0.16

0.10

0.09

0.10

0.19

0.23

0.25

0.17

0.35

0.38

0.20

0.16

0.12

CaO

0.5

0.3

0.2

0.9

0.2

0.4

0.7

0.8

0.4

0.4

0.4

0.5

0.3

0.3

0.4

1

0.4

1.1

0.7

0.7

Na2O

4.4

3.8

4

4.1

4.1

4.5

4.2

4.3

4

4.4

4.1

4

3.2

3

4.1

2.8

2.6

4.1

4.3

4.3

K2O

4.1

4.2

3.7

4.2

4.2

4.5

4.3

4.3

4.6

4.5

4.8

4.3

4

4.2

4.4

4.2

4.4

4

3.8

5

P2O5

0.1

0.1

0.1

0

0

0.1

0.1

0.1

0.1

0.1

0.1

0.2

0.1

0.1

0.1

0.2

0.2

0.1

0.1

0.1

IL

0.8

1.5

0.9

1.6

1

1

1.1

1.1

0.7

0.7

0.7

1

1.9

2

1.1

3.1

2.8

1.4

1.2

0.9

Total

100

101

100

100

100

101

101

101

101

101

101

101

101

101

101

100

101

100

101

100

Trace elements (ppm)

Be

5.4

4.4

4.9

8.4

3.2

5.4

7.4

7.6

3.1

3.5

2.8

4.2

2.9

4.1

5.2

3.4

3.5

7.8

8.5

8.7

Sc

4.9

5.1

5.2

6.8

3.9

5.1

6.7

7.7

3.4

2.6

2.6

4.1

2.3

3.8

4.1

3.8

3.6

8.4

7.7

6.2

Ti

1.6

1.6

1.6

1.2

1.5

1.3

1.2

1.6

1.3

1.2

1.3

1.8

1.2

1.7

1.5

2

1.7

1.6

1.6

1.2

V

9.7

8.7

9.1

5.8

6.3

5.6

4.4

5.8

5.2

5.1

3.5

8.2

3.6

7.9

6.6

8.2

6.8

8.2

6.7

5.5

Cr

62.2

132

95

100

62.7

89

70.3

78.9

80.2

50.3

62.7

93

93

88

92

78.2

83

77.8

95

69

Mn

0.8

0.8

0.6

1.4

0.2

0.4

1.1

0.9

0.1

0.1

0.1

0.2

0.2

0.1

0.4

0.3

0.4

1.3

1.1

0.8

Co

0.8

1.5

1.4

1.8

0.7

0.9

1.1

1.1

0.6

0.8

0.7

1.1

0.9

0.8

1

0.9

0.9

1

0.9

0.7

Zn

35.2

39.5

30

57.9

24.7

33.9

45.9

78

39.7

33

29.4

59

38.9

27.3

48.8

62.1

36.7

51.2

57.3

43.2

Ga

24

24

23

26

21

25

25

27

21

21

22

23

20

21

25

23

23

25

26

30

Ge

1.5

1.4

1.7

2.2

1.3

1.8

2.2

2.2

1.3

1.4

1.4

1.5

1.3

1.5

1.9

1.4

1.3

2

2.2

3

Rb

248.8

275.5

244.6

427

211

280

412

394

195

184

206

188

174

204

267

196

198

364

357

464