Table 4 Distribution of U, Th, and K through U-mineralized silica veins at El-Missikat and El-Erediya exploratory tunnels

Drift# D_I

 El-Missikat tunnels

  Massive silica veins

Avg., 82.19

56.12

3.04

1.02

23.5

37.6

Max., 676

76.2

6.3

2.11

195.33

200

Min., 26.1

42.2

0.3

0.11

10.33

6.07

  Brecciated silica veins

Avg., 121.1

54.65

3.07

0.86

20.37

41.44

Max., 1007.7

78.8

6.4

1.81

68.6

185

Min., 29.2

35.3

1

0.08

9.38

5.54

Drift# D_II

 Massive silica veins

Avg., 54.66

51.81

4.34

1.13

12.53

51.06

Max., 224.2

67.2

6.7

2.21

25.64

521.71

Min., 23.4

38

2.5

0.22

7.68

6.65

 Brecciated silica veins

Avg., 88.16

53.74

2.62

0.82

27.65

13.62

Max., 487.0

72.1

5.6

1.71

120.8

89.68

Min., 66.0

23.2

4.8

0.16

3.27

5.13

El-Erediya tunnels

 Drift# D_II

Red silica veins

Avg., 183.26

37.78

6.43

0.33

6.68

29.7

Max., 536.4

95.2

9.8

1.35

36.62

92.48

Min., 49.2

24.7

2.6

0.07

4.12

7.45

 Drift# D_III

 Red silica veins

Avg., 312.65

92.22

9.86

0.63

12.76

30.67

Max., 2990.5

685.8

84.4

2.24

56.04

159.81

Min.,41.5

23.5

2.4

0.06

4.37

8.56