Table 4: Particle characterization of the mine tailings.

 

 

Kantoma1

KantomaC

Caha1

CahaC

Sieve no

Diameter

Soil % Passing

Soil % Passing

Soil % Retained

Soil % Retained

Soil % Passing

Soil % Retained

Soil % Passing

Soil % Retained

#4

4.75

1.40

0.00

100

98.63

2.6

97.4

0.2

99.8

#10

2.00

1.40

3.00

96.97

97.26

5.8

91.6

14.7

85.1

#20

0.85

19.20

24.20

72.73

78.06

25.6

66.0

25

60.1

#40

0.425

9.60

6.10

66.67

68.46

11.5

54.5

10

50.1

#60

0.25

27.40

6.10

60.61

41.06

28.2

26.3

10

40.1

#80

0.18

12.30

21.20

39.40

28.76

12.2

14.1

15

25.1

#100

0.15

17.70

15.20

24.24

11.06

9

5.1

10

15.1

#200

0.075

11.0

24.20

0.04

0.06

5.1

0.0

15

0.1

Pan

 

0.08

 

0.08

0

0.08

0.0

0.1

0.0

Total

 

100.08

 

100.08

 

100.08

 

100.0

 

Gravel %

 

2.80

 

3

 

8.40

 

6.00

 

Sand %

 

86.2

 

72.8

 

86.5

 

81.0

 

Fines %

 

11

 

24.2

 

5.10

 

13

 

D75

 

0.65

0.94

1.15

1.55

D60

 

0.37

0.26

0.6

0.85

D30

 

0.19

0.18

0.28

0.2

D25

 

0.181

0.163

0.15

0.18

D10

 

0.16

0.16

0.13

0.125

Cu

 

2.313

2.60

3.530

6.8

Cc

 

0.610

1.246

0.769

0.376

So

 

1.900

2.401

2.213

2.934