Table 2 Mineral oxide composition, surface area, and constituent minerals of the lapilli and lava basalt

From: Microbial dissolution of Gran Canaria lapilli in small-scale flow through columns: carbon dioxide removal potential

Contribution (weight %)

Mineral constituents (%)

 

Lapilli

Lava basalt

 

Lapilli

Lava basalt

SiO2

45.04

42.86

Diopside

48.00

45.60

Al2O3

14.98

15.46

Anorthite

28.00

10.50

Fe2O3(T)

13.63

12.66

Olivine

15.90

6.70

MnO

0.19

0.20

Albite

3.90

 

MgO

5.62

6.89

Magnetite

3.80

 

CaO

10.98

10.87

Ilmenite

0.40

0.20

Na2O

4.23

4.10

Nepheline

 

15.00

K2O

1.77

3.57

Hematite

 

5.00

TiO2

3.73

2.96

Leucite

 

14.30

P2O5

0.94

0.76

Orthoclase

 

1.30

Loss on ignition

−0.90

0.23

Apatite

 

1.50

Total

100.20

100.60

Surface area (m2 g−1)

4.54

6.03

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