31 8 



ILLUSTRATIONS OF THE 



chad's Mount in C 



rely of 



S 



walL That mount 

 uft up from under 



very hard micaceous fchid 



IS 



a 



it on all fid 



At the bafe of 



fide, a great number of 



granit 



d fpread themfel 



water 



fixed in the fchift 



n the fmaller 



hich furrounds 



it, on the weft 



n off from the 



like fo many 



IS : they are feen at low 

 veins, the granite is of 

 very minute, though diftind: parts ; in the lar- 

 ger, it is more highly cryftallized, and is undi- 

 ftinguifhable from the mafs of the hill. 



JBefides the abov 



Corn 



probably afford 



many other inftances of the fame kind, which I 

 have not had an opportunity to examine. Such 



mces may in particular be looked for at the 



ft 



Land's End 



a promontory, confifting of 



part of granite, and covered by 



fchiftus on both fides of 



is cut 



f 



rfely by the fea-coaft, and the contact: of 



granite and fchiftus of courfe twice 



view. 



pofed 



285.^ Scotland alfo afford 



s other examples 



of granite veins, and fo^ne of them have been 



adually defcribed. 



Mr Jamiefon has taken 



notice of fome which he faw 



in the bottom 



of the river Spey, at Glen Drummond, 

 Badenach, and has reprefented them in 



m 



an en 



graving 



