Table 5 EDX microanalysis data of zircon (carbon and oxygen are excluded).

From: Separation, reserve estimation and radioactivity responsibility of the economic heavy minerals of East El- Arish black sand, North Sinai, Egypt

Element

Colorless zircon wt%

Yellow zircon wt%

Orange zircon wt%

Red zircon wt%

Black zircon wt%

a

b (grain1)

b (grain2)

C

d (grain1)

d (grain2)

e (grain1)

e (grain2)

f

Zr

66.37

68.82

70.62

74.99

66.63

66.19

71.87

67.46

50.48

Si

23.86

19.98

21.19

16.97

22.49

21.93

21.07

19.70

22.44

Al

1.85

0.84

1.51

1.80

0.71

1.05

1.08

0.97

2.16

U

1.08

2.55

0.00

0.00

0.00

0.00

0.56

0.00

2.50

Th

0.00

1.68

1.26

1.24

3.56

3.17

0.00

3.52

3.96

Ca

0.22

1.36

0.96

0.94

1.19

1.18

0.77

1.86

3.82

Fe

0.78

0.79

0.39

0.61

1.27

1.65

1.24

1.50

10.31

Hf

5.85

3.99

4.08

3.44

4.15

4.83

3.41

5.01

4.32

Total

100.00

100.00

100.00

100.00

100.00

100.00

100.00

100.00

100.00

Zr/Hf

11.34

17.24

17.30

21.79

16.05

13.70

21.07

13.46

11.68