OIL SHALES— SCOTTISH CARBONIFEROUS SYSTEM. 249 



Scottish Lothians, the exceeding faulted and disturbed nature of 

 the Carboniferous system in this locality would effectually pre- 

 vent the circulation underground of any quantity of fluid hydro- 

 carbons except within extremely limited areas. 



The following is a general section of the oil shale series west 

 of Edinburgh : 



FEET. 



Strata below base of Carboniferous Limestone series about 400 

 Raeburns Shale, 3 to 4 feet strata, - - - - igo 



Mungals Shale, about i ft. 9 ins. strata, - - - 170 



Coal and Gray cypride Shale 2 ft. " Houston Marl" group 200 

 Strata laminated sandstones, - . . . . 240 



Fells Shale, 3 to 5 feet, "Broxburn Marl" group, 80 to 270 



Broxburn Shale 2"^ to 8 feet, " Binney Sandstones" and 



strata, - -------450 



Dunnet Shale, 6 to I3feet, strata chiefly shales, fire clays, etc. 400 

 Barracks Shale, resting on the estuarine Burdiehouse Lime- 

 stone, 10 to 50 feet thick at places, strata about - 780 

 Pumpherston Shales, about 6 feet worked. 



Apparent thickness of Oil shale series, - - - 3,100 



Henry M. Cadell. 



