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 lib 



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HUTTONIAN THEORY. 



219 



parifon, refembled exadlly the fchifhus under- 

 neath. The primary rock itfelf is here feven or 

 eight hundred feet above the level of the fea. 



The fame fchillus, fomewhat lower down the 

 valley, and nearer to Ingleton, appears in large 



quantities, and is quarried for flate. Here, how- 



^ 



ever, the immediate jundion of the limeftone 

 and fchillus does not appear. 



I have dwelt longer on the defcription of thefe 

 appearances than on any others of the fame kind, 

 becaufe, from the great mafs of fecondary ftrata 

 which here covers the primary, the circumflan- 



ces are fuch as we cannot exped: to fee very 

 often exemplified. 



197. The LakesofCuraberland are much vifited 

 by travellers ; and it may be worth remarking, 

 on that account, that, as the fite of thcfe lakes 

 is a patch of primary country, bounded on all 



fid 



by fecondary, fo, in the rivers th 



run 



from th 



lakes, fuch jund 



as we are now 



treating of may be expected to be found. Un- 

 der Dun-Mallet, on the lide toward Ulles Wa- 

 ter, we obftrved a breccia, which was in horizon- 

 tal layers, and feemed to lie on the primary 

 fchiftus, fothat the whole hill is perhaps a piece 



F 



of more indurated breccia, or fecondary rock, 



which has refilled the 



down of the rivers better than the reft. 



wearing and walhing 



198. After afcertaining the fad of the difti 

 tance of the ftrata, and their removal from th 



original 



