36 1 



THE YORKSHIRE BOULDER COMMITTEE 

 AND ITS FOURTEENTH YEAR'S WORK, 1899-1900. 



PERCY F. KENDALL, F.G.S., Chairman. 



AND 



J. II. HOWARTH, F.G.S., Hon. Secretary. 



Although actual records may be less numerous than heretofore, 

 a keen look out for any new facts is maintained by many watch- 

 ful observers over a large area. 



Several members of the Committee attended the excursion in 

 July last of the Yorkshire Geological and Polytechnic Society 

 into the Cheviot district, and they are now, in consequence, 

 enabled to identify many of the East Coast erratics as from that 

 area. 



Mr. Stather reports rhomb-porphyry again at 650 feet above 

 Ordnance datum at Stump Howe, eight miles west of Whitby. 



Mr. John Burton has examined a rock exposure about 80 feet 

 long at Hartley Bank, where the new branch railway is cut deep 

 through the south bank of the river C alder into the valley. 

 There were no stria;. This confirms, so far, previous statements 

 that there is no evidence of a glacier in the lower Calder valley. 

 It cannot, however, be definitely assumed that there never 

 was one. 



The coarse pisolite containing Nerincea, reported by Mr. 

 Kendall from Barugh Hill near Robin Hood's Bay, is believed 

 to be of native origin, but its source is not known to the Com- 

 mittee. Perhaps some member will tell us where such rock can 

 be found in situ. Mr. Kendall says that a similar limestone 

 with Nerincea is abundant in the drift along the North Cleveland 

 watershed. 



Reported by II. II. Corbktt, M.R.C.S., Doncaster. 

 CUSWORTH. 



One dolerite. 



Reported by V. F. KENDALL, F.G.S. 



Barugh Hill, near Robin I loon's Bay. 



Many boulders of porphyrite and two examples of a very 

 coarse pisolite containing Nerincea, 

 iqoo December 1. 



