68 
SCENERY OF SWITZERLAND. 
one represents a geological horizon so much above 
that under the other. 
When the strata bent somewhat before the frac- 
ture we have a fold-fault (Fig. 1 1). 
Fig. ii. — Line of Fault at the upper displaced bod. The beds are bent 
near the fault by the strain in slipping. 
Where a fold is much compressed the limbs 
would become thinner and thinner (Fig. 12), while 
the strata in the arch and the trough would be com- 
pressed and consequently widened. 
Fig. 12. — An Inclined Fold. 
When the arch A, instead of being upright is 
