H 



5 



02 



ILLUSTRATIONS OF THE 



d a few rem 



on 



g of 



(» 



th 



Ti 



m 



i vicinity 

 be conned 

 d the prefe 



f 



b 



or mafll 

 ;en the 



f 



hinft 



t) 



f 



\ 



hinftone, was firit obfcrved 



opportunities of 



as far as 



T 



bj Dr Hiitton ; and, 

 verifying the obfervation have yet occurred, ap- 

 pears to be a fadl no lefs ger^eral than it is cu- 

 rious and interefting. In the coal-mines of Scot- 

 land, it certainly holds remarkably, particularly 

 in thofe about Saltcoats in Ayrfhire, where a 

 whinftone dike is known to ftretch acrofs the 



1 



whole of the coal country, and to be every where 

 accompanied with blind or uninflammable coal. 

 At Newcaille, dikes of the fame kind are met 

 •with, and one, in particular, in what is called 

 the Fialker Colliery, has proved the allien of 

 fubterraneous fire, to the fatisfadion of minera- 

 l^gifls nowife prejudiced in favour of the Hut- 

 tonian fyflem'. 



The coal found under bafaltes, in the Illand 

 of Skye, Has been already mentioned, § 139. 

 To what w^as faid concerning the fibrous ilruc- 

 ture of the parts of that foffil in immediate con- 

 ta<5l with the whin, it may be added, that it is 

 alfo charred in thofe parts, fo as to have hardly 

 any flame when it is burnt, though further down 



coal. Indeed, if 



f the nature of ordinary 

 be any truth in Mr Kir 



mark 



