Correspondence. 



las 



stratification, yet, I confess, the clearness of the bedding, and the 

 sharpness of the fissures convinced me that in this instance there 

 had been several vertical displacements. The following is the 

 section :— 



1 2 3 



Faults in Drift Sand at Eochdale. 



The height of the section is about fifty-five feet ; the length two hundred feet. The throw of 

 No. 1 is down to the west ; No. 2 down to the east ten feet ; No. 3 down to the east twelve feet 

 The beds between Nos. 1 and 2 are much contorted. 



The whole section is composed of fine white or yellow sand, with 

 occasional layers of gravel, and contains in the centre a well marked 

 band of loamy sand (a. a. a.), which shows exactly the amount of 

 displacement. Three faults are shown. The amount of throw in 

 two of these is twelve feet and ten feet respectively ; that of the 

 third being uncertain. The sand is the middle member of the Drift 

 series according to my classification, lying between the upper and 

 lower tills, or Boulder-clays, neither of which are shown in this 

 section. 



As to the origin of these apparent faults I do not venture an 

 opinion. It cannot be owing to mining operations, as the position 

 is beyond the out-crop of the Arley Mine ; besides this the amount 

 of the slip is much greater than would be caused by the ground 

 giving way in consequence of the extraction of a seam of coal less 

 than five feet in thickness. On the other hand, it must not be for- 

 gotten that very considerable vertical elevations of the solid strata 

 have occurred in the interior of the country since the Drift Period, 

 amounting to at least 2,000 feet, and it is not improbable that old 

 fissures may have been re-opened, or even new ones made in the 

 older formations, which would pass upward into the overlying drift- 

 beds. I am, etc., 



Edward Hull. 



ON THE PARALLELISM OF TEE DRIFT DEPOSITS IN LANCASHIRE 

 AND THE EASTERN COUNTIES. 



To the Editor of the Geological Magazine. 



Deab Sir. — I hope you will not think it highly objectionable if I 

 address you twice in the same month ; but while I have my pen 

 freshly steeped in Drift, allow me to draw attention to the remark- 

 able similarity of the Drift-series in the Eastern Counties as indicated 

 by Mr. S. V. Wood jun., and that in Lancashire and Cheshire, 

 described by myseK in a paper " On the Drift Deposits in the 



