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Fig. 12.57
Pseudo-sections of the magnetotelluric parameters of (
a
) inhomgeneity parameter
N
,
(
b
) asymmetry parameter
ske
B
:CR-CoastRange,WV-
Willamette Valley, WC - Western Cascades, HC - High Cascades, DP - Deschutes Plateau
w
S
,and(
c
) asymmetry parameter
ske
w
Much the same diagrams (though with some exceptions) are typical of the
Willamette Valley. Within the High Cascades, magnetic diagrams degenerate into
ovals but retain a transverse orientation. The real induction arrows point eastward,
here and there with small deviations. It seems that in the EMSLAB experiment
we can seek a solution to the inverse geoelectric problem within a class of two-
dimensional media with meridional strike.
