THE GEOLOGICAL STRUCTURE OF THE CANONBIE COALFIELD. 



855 



Reference has already been made to the prevalent opinion that the coals of the Byre 

 Burn group underlie the Rowanburn coals, and with the object of testing this conclusion 

 a deep bore was sunk at Rowanburnhead, a copy of the journal of which is given 

 below. 



Section op Strata in Bore (by Diamond Drill Process) at Rowanburnhead, 

 commenced at slll or pavement of " seven feet seam," with the object 

 of finding the coal-seams of byre burn. boring commenced march 1891. 



escription of strata : 



Fins. 



Ft. 



Ins. 



Description of strata : 



Fms. 



Ft. 



Ins. 



Surface and sand 



1 



1 







Brought forward 



1 



5 



Boulder clay and stones 



9 



1 



(( 



Fakes and sandstone (variegated] 



3 







8 



Fireclay (soft) . 



3 



1 







Sandstone .... 



1 



2 



6 



Light fakes 







1 



9 



Blue fakes and blaes . 



2 



1 



(1 



Fireclay broken . 







1 



8 



Dark fakes 







1 



3 



Coal (loose) 











9 



Gray fakes 







3 



3 



Fireclay .... 











4 



Blue fakes and blaes . 



1 











Broken sandstone 







5 







Fireclay and coal 











8 



Fakes and blaes . 







1 



6 



Light fakes and fireclay 







4 



6 



Coal (soft) 







1 



5 



Sandstone .... 







2 



3 



Fireclay and blaes 







o 



6 



Dark fakes 



3 



2 



11 



Light fakes 







1 



6 



Dark fakes and sandstone . 



1 



5 







Fakes and fireclay 







2 







Blue fakes 







4 



2 



Blue fakes 



2 











Sandstone .... 







1 



8 



Blue fakes and blaes . 







2 







Blue fakes . 











10 



Blue blaes .... 







2 



5 



Sandstone .... 











5 



Coal 







1 



4 



Dark blaes 







1 



7 



Coal (soft) 







(» 



3 



Coal 







1 



5 



Fireclay .... 







1 



6 



Dark fireclay and coal 











7 



Fireclay and blaes 







2 



6 



Brown fireclay . 











5 



Sandstone ..... 







o 



3 



Coal . . " . 







1 



8 



Dark blaes 







1 



4 



Dark fireclay and coal 











4 



Coal 







1 



3 



Light fireclay 



1 











Dark fakes 











2 



Dark fireclay and blaes 







2 



4 



Gray fakes 











7 



Light fireclay 







4 







Blue fakes .... 







2 



9 



Sandstone ..... 







3 



6 



Sandstone .... 







5 







Fakes and sandstone . 







2 







Fakey sandstone 



1 



4 



6 



Fakey blaes 







3 







Fakes and blaes . 







1 



G 



Dark fireclay and coal 







1 



9 



Coal 











7 



Fireclay .... 







1 



3 



Fireclay .... 







2 







Fakes and fireclay 







1 



6 



Fakes .... 







1 







Fakes and sandstone . 







2 



6 



Sandstone .... 







1 



9 



Soft blaes and coal . 











9 



Fakey sandstone 



3 











Sandstone .... 



2 



2 



3 



Fakey fireclay and blaes 







4 







Extra hard sandstone . 







3 



10 



Soft fireclay and balls 







4 



6 



Fakes and blaes .... 







3 



2 



Sandstone .... 



5 











Extra hard sandstone . 



2 



5 



11 



Sandstone .... 











5 



Fakey blaes .... 







2 



3 



Fakey sandstone 







1 



8 



Light fireclay .... 







4 



6 



Sandstone .... 







1 



7 



Light fakes and sandstone . 







5 







Blue Fakes . . . . 



1 



2 



3 



Hard cuttry sandstone 



1 



1 







Sandstone .... 







2 



5 



Fakey sandstone 







2 



6 



Fakes and sandstone . 



1 



2 







Blue blaes ..... 







2 







Sandstone (variegated) 



1 



5 



6 



Dark blaes and coal . 











10 



Sandstone . 







5 







Fakes and fireclay 



Carry forward 







1 



l 



Carry forward 



41 



1 



5 



74 







2 



