Table 3 Distribution of U, Th, and K for the different alteration zones through drift# D_II and D#_III at El-Erediya exploratory tunnels

D_II

 Brecciation

Avg., 121.4

32

6.01

0.35

5.38

21.49

Max., 161.3

32.8

7.3

0.65

6.39

31.63

Min., 47.2

30.6

5.1

0.2

4.19

6.47

Hematitization

Avg., 110.84

33.24

6.91

0.37

4.85

16.14

Max., 266.1

41.8

8.2

0.67

6.47

32.45

Min., 49.7

26.6

5.9

0.13

3.8

6.37

Kaolinization

Avg., 35.79

35.69

6.78

1.12

5.83

5.71

Max., 89.2

102.5

8.3

2.91

51.25

29.7

Min., 12.9

26.5

2

0.34

3.61

1.7

D_III

 Brecciation

Avg., 116.54

39.44

6.56

0.38

6.04

17.78

Max., 184.6

58.7

7.2

0.56

8.27

26.75

Min., 61.6

29.3

5.3

0.16

4.25

9.78

 Hematitization

Avg., 124.01

35.46

6.29

0.3

5.76

20.04

Max., 184.6

43.8

7.1

0.42

7.08

26.75

Min., 66.0

23.2

4.8

0.16

3.27

9.3

 Kaolinization

Avg., 49.54

42.17

4.67

0.9

12.39

13.48

Max., 95.8

219.5

8.5

7.42

199.5

41.14

Min., 19.3

16.3

0.8

0.38

3.88

2.74