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Fig. 9.6
Current channeling in the conductive faults: (a) model cross-section, (b) current channel-
ing, (c) profile of the transverse electric field
E
y
(
y
) normalized to the normal field
E
y
,(d)trans-
verse apparent-resistivity curves
⊥
and locally normal apparent-resistivity curves
n
over central
block (
y
=
0) and side blocks (
|
y
|
=
100 km)
that two-dimensional models with deep conductive faults demonstrate effects, which
can be reasonably considered as current channeling.
An example of such a model is given in Fig. 9.6. The two-dimensional model
consists of the central resistive block bordered by the deep conductive faults, which
