ALPINE SECTIONS. 245 



section (fig. 367) shows six compressed arches, some of which 



Fig. 367. 



Girenspitz. Sentis. Altmann. Toggenburg. Kurflrsten. Flumseralpen. 



Megliaalp. Wildhaus. Grabsalpen. LBsis. Wallenstadt. 



I 



rise so abruptly that their sides appear parallel nearly to the 

 summit. At the top they are generally cleft down to the Lower 

 Cretaceous or Neocomian deposits ; but the highest point (the 

 Sentis, 2504 metres) is formed by the Upper Cretaceous or 

 Seewen Limestone. The newest formations represented in this 

 mountain-system are the Nummulite Limestone and the Flysch. 

 III. The complication of the beds in the Canton of Glaris is 

 still more decided, as may be seen by a glance at the section 



Fig. 368. 



Sernfthal. Salengrath. Karpfstock. Hausstock. Biferten. Ponteljes. Trons. 



a c' e x e' 



a. Granite. c. Sernifite. t. Neocomian. 



a'. Gneiss. c'. Quartzite Talc. o. Nummulitic Limestone 



x. Diorite and iron- e. Jura. and Flysch. 



stone. g. Lias. 



from Flums to Trons (fig. 368 from Studer's Geol. der Schweiz, 

 vol. i. p. 423). 



