204 Geological Society: — 



November 8th, 1911.— Prof. W. W. Watts, Sc.D., LL.D., M.Sc, 



F.R.S., President, in the Chair. 

 The following communications were read : — 



1. ' On the Interglacial Gravel-Beds of the Isle of Wight and 

 the South of England, and the Conditions of their Formation.* 

 By Prof. Edward Hull, M.A k , LL.D., F.E.S., RG.S. 



The author, after referring to the investigations of previous 

 authors, especially of Mr. Codrington and the officers of the 

 Geological Survey, with which he in the main agrees, points out 

 that the origin and mode of formation of the gravel-terraces of 

 the Isle of Wight and the New Forest districts are still open to 

 discussion. He points out that the levels of the higher beds on 

 both sides of the Solent up to about 400 feet indicate the amount 

 of subsidence of the whole area at a time when the stratified 

 gravels, composed mainly of rolled flints, were formed at the margin 

 of the uprising ridges of the Chalk in the post-Glacial Epoch, for 

 this part of England. Preceding this was the great uplift indicated 

 by Godwin-Austen, by which the British Isles were joined to the 

 Continent as land. By this uplift the British Channel was laid 

 dry, and along its centre there ran a river from its source about 

 the Straits of Dover to its outlet into the ocean through the 

 Continental Platform. This river-channel is laid down on the 

 Admiralty Charts under the name of 'the Hurd Deep' for a 

 distance of 30 miles of its course, and has been named by the 

 author ' the English Channel Elver.' The author considers the 

 gravel-beds of this district to be the representatives of the High- 

 level Gravels of the Midlands and Cromer, also of the ' Interglacial 

 Gravels ' of Cheshire and Lancashire, and the shell-bearing beds of 

 the Denbighshire Hills, and of Moel Tryfaen in Wales, at levels 

 of about 1200 feet above the sea. 



2, ' The Gopeng Beds of Xinta (Federated Malay States).' By 

 John Brooke Scrivenor, M.A., F.G.S. 



The paper as originally presented was the outcome of field-work 

 done chiefly in 1910 ; but, as it had to be held over until the 

 November session, an appendix has been added giving additional 

 evidence supporting the author's views and more information about 

 the extent of the Gopeng Beds. 



Gopeng is a prosperous mining centre in the Kinta Valley, close 

 to the granite of the Main Range of the Malay Peninsula. The 

 following is the succession of the rocks : — 



Youngest The Mesozoic granite, with its modifications and 



veins. 

 Phyllites and quartzites. 

 The Gopeng Beds. 



Oldest Crystalline limestone (Carboniferous or Pernio* 



Carboniferous). 



The physical features of the country are described, and it is 

 shown that not only are the Gopeng Beds cut by veins from the 

 granite and altered at the junction with the granite, but they are 

 also faulted down against the limestone, which forms precipitous hills. 



