346 Mr. Brockbank and Mr. C. E. de Range on 



ft. in. 





ft. 



in. 



2 6 



to 



3 











135 







I 6 



to 



2 











2IO 











I 



7 







15 







\> 4 Feet 



3 



10 



He estimates the vertical distance from the lower lime- 

 stone at Ardwick to the Openshaw coal, in the Bradford 

 and Clayton coal series, as 200 yards, which consists of the 

 following : — 



Openshaw Mine 



Measures about 



Charlotte Mine 



Measures 



Three-quarter Mine . . 



Measures ... 



Four Feet Mine (Main Coal) = Worsley 4. Feet 



At Ardwick, the section recorded by Professor Hull, 

 F.R.S., is as follows : — 



ft. in. 



Boulder clay and sand 36 o 



Red sandy loam, shale and clay 84 o 



Limestone yard mine 3 3 



Brown shaley clay 4 9 



Limestone LLalf-yard mine 2 o 



Reddish shale and clay 18 o 



Blue clay 4 o 



Sandstone 24 o 



Shale, with joints 18 6 



'S>\2iQkh2indiironstone{A7tthracoj7tyaFhillipsi) o 6 



Coal and bass i 6 



Strong clay 9 6 



Limestone, Great Mine ... 6 6 



At a still lower level occurred a Limestone 18 in. in thickness. 



Since the publication of the Survey Memoir, a very 

 important boring has been carried out in search of 

 coal, in Openshaw, attention to which was drawn, 

 whilst it was in progress, by the late Mr. Binney, and 

 numerous fossils were collected from the Permian marls, 

 and ferns from the Coal Measure shales, and a careful 

 section was made, the results of which below the Permian 

 marls here follow. The upper beds will be described with 



ft. 



in 



36 







120 







123 



3 



128 







130 







148 







152 







176 







194 



6 



195 







196 







206 







212 



6 



