J. W. Powell—Types of Orographie Structure. 423 
Concomitant Fors. 
1. Monoclinal Ridges on the Back.—On the backs of these 
Basin ranges monoclinal ridges have been observed. 
y would appear had there been 
laced rocks as the 
f 
P 
displacement but no degradation. 
og 
Fig. 6.—Deduced from Fig. 4. A restoration of the dis 
Vi.—Zones of Diverse Displacement. 
Tn this regi i areas of country are 
egion many zones or irregular 
“Sund to be divided into small blocks by faults and sei 
jitning in diverse directions, and these may be horizon ue 
Upped at high or low angles, or even be overturn cas 
total effect of this diverse displacement may be to up. 
