ON DRIFT DEPOSITS NEAR MANCHESTER. 449 



XXXIV. Additional Observations on the Drift-deposits 

 and more recent Gravels in the Neighbourhood of Man- 

 chester. By Edward Hull, B.A., F.G.S., of tlie Geo- 

 logical Survey of Great Britain. 



Eead December 29th, 1863. 



During the past summer I have been occupied for the most 

 part in an attempt to trace the subdivisions of the Post- 

 pliocene or Drift deposits within the tract of country 

 bounded by the Penine Hills on the east, and by the up- 

 lands of Kochdale, Bury, and Bolton-le-Moors on the north, 

 and extending into the Cheshire plain ; and I proceed to 

 lay a brief account of the results of this examination 

 before this Society, while the more enlarged details are in 

 course of publication in the Memoirs of the Geological 

 Survey*. 



Geologists have for several years been familiar with the 

 classification of these deposits, as laid down by our Pre- 

 sident, Mr. E. W. Binney, F.B.S.f, and which may be 

 succinctly stated in the order of superposition as follows : — 



Recent i . Valley -gravel and river-terraces. 



/ 2. Forest-sand and gravel of Cheetham Hill, Kersal Moor, 

 &c. 

 Postpliocene 3. Till, or Boulder-clay, 

 or Drift. 1 4. Sand or gravel, more inconstant, and of less im- 

 portance than No. 2, and only known in sinkings of 

 wells, &c. 



The author of the above classification expressly confined 

 his observations to the neighbourhood of Manchester, to 

 which they are strictly applicable; and in my Memoir 



* Geology of the Country around Oldham and the Suburbs of Man- 

 chester. 1864. 



t " On the Drift-deposits of Manchester and its Neighbourhood," Mem. 

 Lit. and Phil. Soc. vol. viii. 2nd series. 



