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Table 3 XRF analysis and effective atomic number (Zet) results for the rock samples

From: Quantitative determination of the lowest density domain in major fault zones via medical X-ray computed tomography

Faultname

Location

Material

Sample number

SiO2

TiO2

Al2O3

Fe2O3

MnO

MgO

CaO

Na2O

K2O

P2O5

 ig.loss*

 Total

Effective atomic number of rock sample

effective atomic number

11.85

19.13

11.34

23.56

23.26

10.87

18.36

10.42

18.11

12.37

-

-

-

MTL

Hiji

Cataclasite

HJ8-1

67.05

0.72

13.96

6.57

0.28

3.23

0.61

1.41

2.21

0.10

3.86

100.00

12.30

Fault gouge

HJ8-2

61.83

0.71

15.04

7.57

0.14

6.15

1.08

0.43

0.75

0.05

6.25

100.00

12.04

Fault gouge

HJ8-3

63.71

0.73

14.07

8.15

0.20

5.23

1.00

0.71

0.85

0.05

5.30

100.00

12.24

Fault gouge

HJ8-4

62.28

0.74

15.10

7.73

0.37

5.67

1.11

0.41

0.56

0.08

5.95

100.00

12.12

Cataclasite

HJ8-5

67.34

0.62

12.02

6.69

0.20

5.41

0.71

0.43

1.37

0.06

5.15

100.00

12.11

Mizoguchi

Protolith

MZ-5

66.22

0.60

14.98

5.49

0.13

2.02

1.65

2.25

3.44

0.10

3.10

100.00

12.38

Awano-Tabiki

Protolith

ATS-2

64.95

0.70

17.10

6.16

0.19

2.05

0.93

2.62

3.80

0.18

1.33

100.00

12.64

ATS-1

57.10

0.76

17.34

9.22

1.89

1.63

0.69

1.58

3.60

0.15

6.04

100.00

12.63

Cataclasite

AT-1

56.36

0.33

6.96

3.92

0.15

5.93

10.23

1.23

1.04

0.07

13.78

100.00

11.34

Fault gouge

AT-2

59.53

0.69

13.23

4.23

0.10

4.75

4.66

0.56

2.07

0.10

10.08

100.00

11.52

Fault gouge

AT-3

52.90

0.54

10.99

5.17

0.15

5.89

8.15

0.21

1.76

0.08

14.16

100.00

11.36

Cataclasite

AT-4

57.93

0.73

12.59

8.68

0.12

4.85

1.81

0.36

0.18

0.12

12.63

100.00

11.45

Cataclasite

AT-5

56.18

0.52

10.73

6.15

0.13

5.74

5.87

0.07

1.31

0.14

13.16

100.00

11.42

Cataclasite

ATR-2,3

70.28

0.68

15.72

3.98

0.06

0.60

0.36

2.86

2.91

0.14

2.41

100.00

12.17

Mylonite

ATR-4

65.44

0.52

16.05

3.97

0.07

1.42

3.50

3.33

1.90

0.10

3.70

100.00

12.13

Protolith

HA-1

57.97

0.85

16.14

7.51

0.13

3.22

5.95

2.77

1.69

0.15

3.61

100.00

12.72

Tsuruga

Oritodani

Protolith

K-1

76.87

0.07

12.63

1.26

0.04

0.07

0.42

3.59

4.64

0.01

0.39

100.00

12.16

Cataclasite

C-3

76.65

0.06

12.78

1.19

0.01

0.12

0.48

3.53

4.50

0.01

0.66

100.00

12.11

Cataclasite

C-2

77.48

0.05

12.03

0.87

0.02

0.15

0.84

2.88

4.74

0.01

0.92

100.00

12.10

Fault gouge

T-3-1

72.91

0.05

12.06

1.34

0.08

0.40

3.29

1.71

4.31

0.02

3.83

100.00

11.96

Fault gouge

T-3-2

76.48

0.05

12.69

1.64

0.01

0.43

0.52

2.12

4.49

0.02

1.57

100.00

12.08

Fault gouge

T-3-3

67.55

0.94

12.52

6.48

0.10

1.91

2.43

1.52

2.98

0.22

3.34

100.00

12.54

Cataclasite

T-3-4

55.34

3.21

11.60

14.02

0.26

4.37

4.15

1.37

1.37

0.59

3.72

100.00

13.55

Cataclasite

C-1

49.73

2.84

13.04

16.39

0.27

4.06

6.67

3.06

0.98

0.80

2.16

100.00

14.10

Protolith

T-5

50.24

1.80

11.89

12.31

0.23

6.47

11.35

3.02

1.30

0.18

1.20

100.00

13.96

Yamada

Mushu

Fault breccia

YDA-1,2

70.22

0.37

14.70

4.28

0.12

0.37

1.09

3.20

4.13

0.08

1.45

100.00

12.43

Fault gouge

YDA-3

70.97

0.62

16.10

3.32

0.00

0.79

0.77

0.58

2.96

0.23

3.66

100.00

11.99

Cataclasite

YDA-4

74.45

0.29

14.51

1.52

0.01

0.46

0.81

2.12

4.07

0.08

1.67

100.00

12.05

Karakawa

Protolith

YK-1

70.01

0.43

14.98

3.30

0.08

0.82

2.00

3.65

4.04

0.10

0.60

100.00

12.45

  1. * ig.loss indicates ignition loss of each sample