THE PICTOU COAL FIELD — POOLE. 319 



Ft. In. 



T'ireclay and shale 1 6 



Sandstone — a quarry stone 72 6 



Arenaceous shale 7 4 



Splint coal 1 3 



Arenaceous shale 4 3 



Sandstone 2 3 



Arenaceous shale 2 



Sandstone 3 



Arenaceous shale 2 6 



Sandstone 5 



Sandstone and shale 19 8 



Arenaceous shale 10 



Sandstone 15 



Arenaceous shale , 20 3 



Light argillaceous shale 7 



Dark argillaceous shale 32 6 



Light very soft argillaceous 7 



Dark carbonaceous shale 9 



Oil shale — burns freely 3 



Light argillaceous shale 41 



Dark hard carbonaceous shale 18 



Light argillaceous shales and fireclays 12 



Sandstones 8 



Shales and fireclays 7 



Light arenaceous shale 20 



Sandstones 5 



Total depth of borehole 1008 







Unfortunately in this and other sections the terms used to 

 describe similar beds are not identical, and they are consequently 

 difficult to compare. In this particular section some of the sand- 

 stone beds were found to be so compact that cores even ten feet 

 long were withdrawn whole. 



Fraser Adit Section. — Potter's brook takes its rise east of New 

 Glasgow where the Merigonish high road crosses the North fault- 



