Table 5: Description of AB/2 at various Spacing (9, 25, 50, 75, 100 and 150 m).
Apparent Resistivity Spacing |
Resistivity Range (Ωm) |
Colour |
Lithology |
Remark |
AB/9m |
281-600 |
Pale green, yellow, red |
Consolidated shale |
Not considered as water bearing unit |
|
180-280 |
Pale green and blue |
Fractured Shale |
Water bearing unit |
|
|
Purple |
Clay/shale |
Aquiclude (Figure 3a) |
AB/25m |
260-400 |
Light red-red |
Consolidated shale |
Not considered as water bearing unit |
|
180-280 |
Light green, yellow, |
Fractured shale |
Water bearing unit |
|
0-179 |
blue and green |
Clay/shale |
Aquiclude (Figure 3b) |
AB/50m |
180-280 |
Red and white |
Fractured Shale |
Water bearing unit |
|
20-179 |
Black, blue, green and yellow |
Clay/shale |
Aquiclude (Figure 3c) |
AB/75m |
180-280 |
Red |
Fractured shale |
Water bearing unit |
|
30-179 |
Purple, green and yellow |
Clay/shale |
Aquiclude (Figure 3d) |
AB/100m |
180-250 |
Red |
Fractured shale |
Water bearing unit |
|
10-179 |
Purple, blue, green, yellow and light red |
Clay/shale |
Aquiclude (Figure 3e) |
AB/150m |
15-160 |
Purple, blue, green, yellow and red |
Clay/shale |
Aquiclude (Figure 3f) |