OF PAPA STOUR. 



I65 



rest on a thick bed of compact- felspar inclining 

 to clay stone. At Olisvoe, northward from the 

 Boothe, a thin bed of sandstone is inclosed between 

 beds of compact- felspar, which is very hard owing - 

 to intermixed quartz. At Fore wick it is covered 

 with beds of compact-felspar. At the point of con- 

 tact, the horizontal beds of sandstone suddenly bend 

 downwards to a much- inclined position, and the 

 beds of compact-felspar rest on the inclining beds 

 of sandstone. The two rocks are separated from 

 each other, by a thin division of clayey sand. The 

 direction of the slaty structure of the compact-fel- 

 spar at the line of junction, is parallel with the in- 

 clined surface of the beds of sandstone ; and hence, 

 it is in all probability the margin of a bason-shaped 

 hollow in the strata, and not a slip or transla- 

 tion, as I at first supposed. The sandstone at 

 Forewick, alternates wfth beds of slate-clay. Be- 

 tween Forewick and North-house, the sandstone 

 is covered with thick strata of compact-felspar, 

 and porphyritic claystone. 



The beds of sandstone, which are horizontal, 

 are separated from the felspar, by a division of 

 soft clayey matter arising from the decomposi 

 tion of both rocks. These rocks are in conform 

 able stratification, and seem to have been equally 

 exposed to dislocation, as several slips are to be 

 observed. 



Both the sandstone, and its covering of felspar, 

 have undergone a depression of several yards. The 



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