Skip to main content

Table 5 Vertical Electrical Soundings (VES) of the different areas showing depth and thickness of soil layers

From: Characterization of structural failures founded on soils in Panyam and some parts of Mangu, Central Nigeria

VES

Layers

Resistivity (Ohm-m)

Thickness (m)

Depth (m)

Description

1

1

861

2.15

2.15

Top soil/Laterite

2

126

1.93

4.08

Weathered Regoliths

3

290,000

∞

∞

Basement

2

1

321

1.538

1.538

Top soil/Laterite

2

3527

4.105

5.643

Fractured layer

3

15,953

∞

∞

Crystalline Basement

3

1

1181

2.965

2.965

Top soil/Laterite

2

175.6

3.451

6.416

Weathered Regoliths

3

2026

∞

∞

Basement

4

1

1572

2.281

2.281

Top soil/Laterite

2

166.3

1.6972

4.254

Weathered Regoliths

3

1329

∞

∞

Basement

5

1

1112

0.2943

0.2943

Top soil/Laterite

2

365.1

3.258

3.553

Weathered Regoliths

3

3047

∞

∞

Crystalline Basement

6

1

23.2

1.4

1.4

Top soil/ laterite

2

11

4.64

4.64

Clayey laterite

3

170

0.98

7.02

Weathered layer

4

11,799

16.9

23.9

Crystalline Basement

5

676

Infinity

Infinity

Fractured layer

7

1

28.4

1.73

1.73

Top soil/ laterite

2

6.63

1.94

3.66

Clayey laterite

3

281

1.5

5.17

Weathered layer

4

90,705

0.67

5.83

Crystalline Basement

5

59.4

Infinity

Infinity

Fractured layer

8

1

2.58

1.12

1.12

Clayey laterite

2

34.5

3.29

4.40

Laterite

3

10,957

2.09

6.05

Crystalline Basement

4

395

43.5

50.00

Fractured layer

5

554

Infinity

Infinity

Fractured layer

9

1

328

1.16

1.16

Top soil

2

37.22

6.27

7.43

Weathered layer

3

503

1.46

8.89

Fractured layer

4

10,491

15.04

23.92

Hard Basement

5

12,518

26.08

50.00

Fresh basement

6

16,554

Infinity

Infinity

Fresh basement