Lava basaltes

sample

NGV1

NGV2

NGV3

NGV4

NGV5

BD1

BD2

BD3

BD4

SiO₂ (% pds)

52.38

52.81

52.54

51.94

52.21

52.05

52.16

51.39

51.94

Al₂O₃

30.07

27.95

29.27

29.24

30.13

29.05

29.54

29.12

30.25

CaO

12.03

11.66

12.23

12.18

12.39

12.18

12.27

12.57

12.54

Na₂O

4.24

4.42

4.17

4.11

3.98

4.02

3.97

3.85

4.02

K₂O

0.22

0.23

0.23

0.24

0.28

0.17

0.25

0.19

0.2

BaO

0.11

0.03

-

0.05

0.16

-

0.02

0.12

-

total

99.05

97.1

98.44

97.76

99.15

97.49

98.19

97.24

98.95

Si (apuf)

2.39

2.45

2.41

2.39

2.38

2.41

2.4

2.39

2.37

Al

1.61

1.53

1.58

1.58

1.62

1.58

1.6

1.59

1.63

Ca

0.59

0.58

0.6

0.6

0.61

0.6

0.6

0.63

0.61

Na

0.38

0.4

0.37

0.37

0.35

0.36

0.35

0.35

0.36

k

0.01

0.01

0.01

0.01

0.02

0.01

0.02

0.01

0.01

Ba

-

-

-

-

0.16

0.02

-

0.12

-

Or (% pds)

1.5

1.4

1.3

1.5

1.7

1

1.5

1.1

1.2

Ab

37.7

39.2

36.5

36.5

36.2

37.1

36.4

35.3

35.6

An

60.9

59.4

61.7

62

62.1

61.9

62.1

63.5

63.2