HUTTONIAN THEORY. 



173 





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ding very far 



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the part of the G 



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man Ocean which walhes their coafts 



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Itrata compofing it 



the hypothefis we are now 

 the Cheviot Hills, 



on one 



fide 



ft: be derived, on 

 onlidering, from 

 , and from thofe 

 in the high parts of Weftmoreland and Cum- 

 berland on the other, comprehending the Alllon- 

 Moor Hills, and the large group of primary 

 mountains, fo well known from the fublime and 

 romantic fcenery of the Lakes, Now, the moun- 

 tains which flood on this bafe, had not only to 

 fupply the materials for the trad already men- 

 tioned, on the call, but had alfo their contingent 

 to furnilli to the plains on the weft and north ; 

 the Cheviots to Roxburghfhire and Berwick- 

 fhire ; the Northumberland mountains to the 

 coal ft rata about Whitehaven, and along the 

 fea-coaft to Lancafhire. On the v/hole, we ftiall 

 not exceed the truth, if we fuppofe, that the fe- 

 condary ftrata, at the feet of the above moun- 

 tains, are fix or feven times more exteniive than 



the bafe of 



trad:. If then 



take the medium depth of thefe fecondary ftra- 

 ta to be one thoufand feet, it is evident, that the 

 mafs of ftone which comoofes them, if it were 

 placed on the fame bafe with the primitive 

 n-iountains, would reach to the height of fix 

 thoufand feet. This is fuppofing the mafs to 

 referve the breadth of its bafe uniformly to 



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