I 



k 



HUTTONIAN THEORY. 



307 



all theory, have narrowed the circle of prejudice 



and error. 



N0T£ XV. 



83- 



On Granite. 



\ 



I. Granite Veins 



7 



It is faid ab 



§77 



th 



\ 



found in unftratified malTes. and 



grari 



13 



-" te former of thefe cond 



In th 



difcov 



conlt 



oil: 



mountains, and forms the central ridge of many 



) admititi: ^^ ^^^ greateft chains 



fe the fur face 



J 



'of fire 



fer : " (J: 

 ic Toe .. 



of the earth 

 has been 



It is the granite of this kind th 



and mineralogift 

 fo much attended 



mod generally defcribed by 



Th 



veins have not b 



4 



though they are of 



i' 



jc Tod •-■: 



0| 



e 



\ 



har importance for afcertaining the relation be- 

 tween granite and other foffils. 



272. Though Dr Hutton was the firfl geologift 

 who explained the nature of granite veins, and 



wh 



obferved 



wi 





•ffil2t 



li 



>- 



which accompany 



attention the phen 



/ 



h 



fir it who 



ha 



s 



d th 



M. Beflbn found veins 



otbe^^'' of this kind in the Limoges, in an argilla 



is, andunconneded, as far as appeared 



fchift 



any large mafs of g 



U 



SaulTu 



V 



i 



* Journal de Phyf. torn, xxix, p. 89, 



