Table 6 Summary of the interpretation results and their lithologic unit classification.

From: Geophysical and geochemical study of the contaminant impact of Oke-Tage solid waste dumpsite, Southwestern Nigeria

VES Number

Number of Layers

Resistivity Value (Ωm)

Thickness (m)

Depth (m)

Geological Implication

Curve type

1

1

92

6.4

6.4

Topsoil

HA

2

15

7.2

13.6

Weathered layer

3

68

6.1

19.7

Weathered layer

4

1456

Fresh basement

2

1

101

6.3

6.3

Topsoil

QH

2

50

2.3

8.6

Weathered Layer

3

15

8.0

16.6

Weathered layer

4

1523

Fresh basement

3

1

172

2.2

2.2

Topsoil

QH

2

140

11.4

13.6

Clayey sand

3

46

19.1

32.7

Weathered layer

4

525

Fracture basement

4

1

118

3.3

3.3

Topsoil

HK

2

105

30.3

33.6

Weathered layer

3

469

49.0

83.0

Fracture basement

4

334

Fracture basement

5

1

160

1.6

1.6

Topsoil

2

140

22.3

23.9

Weathered layer

HKH

3

1340

45.8

69.7

Fresh basement

4

682

31.4

101.1

Fractured basement

5

4191

Fresh basement

6

1

119

7.1

7.1

Topsoil

HA

2

49

16.3

23.4

Weathered layer

3

192

8.2

31.6

Fracture basement

4

734

Fresh basement

7

1

226

7.0

7.0

Topsoil

HK

2

95

19.0

26.0

Weathered layer

3

567

33.0

59.0

Fracture basement

4

393

Fracture basement

8

1

81

5.0

5.0

Topsoil

HA

2

28

7.0

12.0

Weathered layer

3

504

23.0

35.0

Fracture basement

4

776

Fresh basement

9

1

150

5.3

5.3

Topsoil

HK

2

81

13.0

18.3

Weathered layer

3

578

24.0

42.3

Fracture basement

4

572

Fracture basement

10

1

151

8.0

8.0

Topsoil

HA

2

53

11.0

19.0

Weathered layer

3

1214

30.0

49.0

Fresh Basement

4

1338

Fresh basement