650 



Instances of twisted Strata 

 74 



Nant d'Orli. 

 12 3 4 5, The road to Nant d'Arpenaz 



falls with sufficient volume and force to work a saw-mill, built 

 across the rivulet which carries it to the Arve. 



A vast mass of ruin is accumulated at the foot of the fall, the 

 debris of the higher rocks, and on the summit of it there are 

 growing pines of a great age.* We might almost suppose that 

 these fragments were hurled down by the catastrophe which 

 caused the fault by which the cascade was formed, and the 

 size of the fragments affords an additional proof; so vast are 

 many of them, that some children who were climbing them 

 in search of wild strawberries, cherries, &c., whose voices 

 were long heard, and directed us to their situation, were some 

 time invisible to us, being hidden under the shadow of these 

 mighty " screes^^ as they would be called in Cumberland. 



The strata here are bent downwards on either side of the 

 fall, so as to form a crevice in the front of the rocks which 

 presents the more backward strata in the regular order, over 

 which the water is projected. Fig, 74. will explain this. On 

 a first inspection, it seems as if the strata had been bent down- 

 wards, continued horizontally in a lower position, and then 

 bent upwards again to their former level. The continued 



* [" What a noble tree is a mighty pine ! when growing in the situation 

 it is intended for, on the mountain side ; based on the solid rock, which 

 its huge roots enfold, and, stretching deep, bind to the parent earth ; its 

 enormous trunk, unbent by storm or time, reaches towards heaven, * lythe 

 by degrees and beautifully less ; ' its dependent limbs, laden with persistent 

 verdure, shake icy winter proudly from their crest. Truly the pine is the 

 mountain forest king, as the oak is that of the plain." — Robert Mallcty Esq. 

 in Gard, Mag., ix. 275.] 



