Table 5: The electrical parameters of strata.

Strata Attribute Conductivity Thickness
S/m m

Quaternary Alluvial sand, clay 0.01 20

Cretaceous Sandstone 0.006 180
Coal 0.01 2
Conglomerate 0.01 200
Coal 0.01 3
Conglomerate mixed with mudstone 0.008 160

Jurassic Marl 0.003 260
Volcanic rock 0.001 240
Conglomerate 0.01 200