The LevenshiUnie Limestones, 339 



Notes on the Geological section exposed in the Railway 

 Cutting from Levenshulme to Fallowfield. ByWm. 

 Brockbank, F.G.S., F.L.S., and C. E. de Ranee, 

 Assoc. Inst. C.E., F.G.S., F.R.G.S., F.R.M.S., of 

 H.M. Geological Survey.* 



{Received January syth^ i8gi.) 

 Part II. 



It was intended to have dealt with the Permian strata 

 in this communication, but since Part I. was laid before 

 you, a very important exposure of the beds, lying below 

 those described on that occasion, has been disclosed by 

 the cutting of a sewer on the south side of the railway, 

 which has proved the Upper Coal Measures to extend 

 eastward to a distance of 1,072 feet, from Slade Lane 

 Bridge, and it appears desirable to complete this portion of 

 the subject before entering into the details observed of the 

 later formations, and also to compare the results obtained 

 as to the thickness and character of the Upper Coal 

 Measures exposed in the section, with those proved in 

 borings in the Manchester District, and the same sub- 

 formation elsewhere, and the bearing of the facts observed 

 on the probable mode of deposit of these very interesting 

 beds. 



The beds exposed in the section described in our last 

 communication, amount to a vertical thickness of 230 feet, 

 and contain eight groups of limestone of a united thick- 

 ness of 30 feet, but, eliminating the marl and shale partings, 

 the thickness of pure limestone is 24 feet, down to the 

 base of the eighth group. 



♦ Communicated with the permission of the Director General. 



