JOURNAL 



OF 



NATURAL PHILOSOPHY, CHEMISTRY, 



AND 



THE ARTS. 



OCTOBER 17QQ. 



ARTICLE I. 



Geological Olfervattem on the Vicinity of Hull and Beverly. By JoUN AlHERSON, M,D.* 



To Mr. Nicholson. 



I 



Sir, 



N confequence of the appearance, in your truly valuable mifcellany, of Dr. de Serra's 

 account of a fubmarine foreft forming iflets on the coaft of Lincolnfhire, I have inclofcd you 

 a fedion of this part of Yorkfliire, which I made fome years ago, to explain the origin and 

 fituation of our fprings, and have tranfcribed my defcription of the country as publiflied in 

 the Hull Advertifer, Odlober, 1795. 



This neighbourhood (by this neighbourhood I mean the environs of Hull and Beverly, 

 including all Holdernefs) may be divided into two diftindt regions, or diftrids — the high ahd 

 the low lands. The high land is a ridge of hills, forming an arc or bow, extending fram 

 Flamborough-Head to the Humber, where it is divided; and is then continued down the 

 Lincolnfhire fide of that river to the point oppofite the Spurn at the mouth of the Humber. 



The eaft fide of the ridge is entirely compofed of chalk and flint, in moft places in regular 

 horizontal ftrata, the flint being from fix to eight inches thick, the chalk from two to three 

 feet ; in a few places the flint is in nodules, and here and there in the chalk rock are found 

 nodules of iron ore and thin ftrata of fullers'-earth. Towards the bafe of the ridge, the par- 

 ticles of thefe earths are to be found wafhed down and forming gravel ; this operation has 



• Communicated by the author. 



Vol. m. — October 1799. ^ P '^cea 



