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Table 1 Chemical composition (wt%) of the different basaltsa

From: Characterization of the bacterial communities on recent Icelandic volcanic deposits of different ages

 

32-year

35-year

39-year

SiO2

49.41

49.15

49.42

Al2O3

13.18

13.24

13.38

Fe2O3

15.49

15.06

14.19

MnO

0.23

0.23

0.22

MgO

5.64

5.76

5.88

CaO

9.96

9.50

9.97

Na2O

2.33

2.30

2.34

K2O

0.36

0.32

0.33

TiO2

2.00

1.99

1.84

P2O5

0.23

0.22

0.22

FeO

12.30

9.00

11.10

LOIb

0.07

2.19

1.47

Total

98.90

99.96

99.25

  1. aUncertainty of the measurement is 0.01%; bLOI: loss on ignition
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BMC Microbiology

ISSN: 1471-2180

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