1862.] 



POWKIE — OLD RED SANDSTONE. 



429 



atches of Lower Old Red 

 Sandstone (Forfarshire 

 Flagstone) occurring 

 amongst trappean rocks 

 along the north flanks of 

 the Ochills 



1 



•s 



O 60 



ed conglomerate and 

 dark dull- red sandstones, 

 with scales of Holopty- 

 chius nobilissimus. 



2 



a 

 O 



•s 

 i 



1 

 1 



Ph 



H 



tf 



>^ 





